1,优化URL报错,2,更新OFD组件 3,美化Excel 4,文本方法关闭字节流 5,新增多种类型文件预览 (#419)

1,优化URL报错 2,更新OFD组件 3,美化Excel 4,文本方法关闭字节流 5,新增xmind、eml、epub、"obj", "3ds", "stl", "ply", "off", "3dm", "fbx", "dae", "wrl", "3mf", "ifc","glb","o3dv","gltf","stp","bim","fcstd","step","iges","brep"格式 Co-authored-by: gaoxiongzaq <admin@cxcp.com>
2026-04-04 15:27:34 +00:00 · 2022-12-28 10:17:06 +08:00
parent aa66173625
commit 69566834ea
96 changed files with 320274 additions and 708 deletions
--- a/README.md
+++ b/README.md
@@ -237,6 +237,15 @@ ofd 类型文件支持版本，本次版本重要功能均由社区开发贡献
 1. 新增spring boot profile，支持多环境配置 
 1. 引入pdf.js预览doc等文件，支持doc标题生成pdf预览菜单，支持手机端预览

+
+### 关于引用
+ofd    引用于 [ofdview ](https://gitee.com/cnofd/ofdview ) 开源协议 Apache-2.0
+CAD    引用于 aspose-cad 测试版本 商用请自行购买
+xmind  引用于 [ xmind-embed-viewer](https://github.com/xmindltd/xmind-embed-viewer) 开源协议 MIT 
+epub   引用于 [ epub.js](https://github.com/futurepress/epub.js) 开源协议 BSD许可证
+压缩包 引用于 [sevenzipjbinding](https://github.com/borisbrodski/sevenzipjbinding )开源协议LGPL
+3D     引用于 [Online3DViewer](https://github.com/kovacsv/Online3DViewer )开源协议MIT
+
 ### 使用登记
 如果这个项目解决了你的实际问题，可在 https://gitee.com/kekingcn/file-online-preview/issues/IGSBV
 登记下，如果节省了你的三方预览服务费用，也愿意支持下的话，可点击下方【捐助】请作者喝杯咖啡，也是非常感谢
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
    <properties>
        <java.version>1.8</java.version>

-        <jodconverter.version>4.4.4</jodconverter.version>
+        <jodconverter.version>4.4.5</jodconverter.version>
        <spring.boot.version>2.4.2</spring.boot.version>
        <poi.version>5.2.2</poi.version>
        <xdocreport.version>1.0.6</xdocreport.version>
@@ -19,7 +19,6 @@
        <junrar.version>7.4.1</junrar.version>
        <redisson.version>3.2.0</redisson.version>
        <sevenzipjbinding.version>16.02-2.01</sevenzipjbinding.version>
-        <tukaani.version>1.8</tukaani.version>
        <jchardet.version>1.0</jchardet.version>
        <antlr.version>2.7.7</antlr.version>
        <concurrentlinkedhashmap.version>1.4.2</concurrentlinkedhashmap.version>
@@ -38,7 +37,7 @@
        <commons-cli.version>1.2</commons-cli.version>
        <commons-net.version>3.6</commons-net.version>
        <commons-lang3.version>3.7</commons-lang3.version>
-        <commons-compress.version>1.21</commons-compress.version>
+

        <maven.compiler.source>${java.version}</maven.compiler.source>
        <maven.compiler.target>${java.version}</maven.compiler.target>
--- a/server/lib/cpdetector-1.04.jar
+++ b/server/lib/cpdetector-1.04.jar
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -112,25 +112,12 @@
            <artifactId>redisson</artifactId>
            <version>${redisson.version}</version>
        </dependency>
-
-        <!-- 解压(apache) -->
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-compress</artifactId>
-            <version>${commons-compress.version}</version>
-        </dependency>
        <!-- 解压(rar)-->
        <dependency>
            <groupId>com.github.junrar</groupId>
            <artifactId>junrar</artifactId>
            <version>${junrar.version}</version>
        </dependency>
-        <!-- 解压(7z)-->
-        <dependency>
-            <groupId>org.tukaani</groupId>
-            <artifactId>xz</artifactId>
-            <version>${tukaani.version}</version>
-        </dependency>
        <dependency>
            <groupId>net.sourceforge.jchardet</groupId>
            <artifactId>jchardet</artifactId>
@@ -200,14 +187,6 @@
            <scope>system</scope>
            <systemPath>${pom.basedir}/lib/aspose-cad-19.9.jar</systemPath>
        </dependency>
-        <!-- 编码识别 -->
-        <dependency>
-            <groupId>cpdetector</groupId>
-            <artifactId>cpdetector</artifactId>
-            <version>1.04</version>
-            <scope>system</scope>
-            <systemPath>${pom.basedir}/lib/cpdetector-1.04.jar</systemPath>
-        </dependency>
        <!-- url 规范化 -->
        <dependency>
            <groupId>io.mola.galimatias</groupId>
--- a/server/src/main/java/cn/keking/model/FileType.java
+++ b/server/src/main/java/cn/keking/model/FileType.java
@@ -25,11 +25,19 @@ public enum FileType {
    CAD("cadFilePreviewImpl"),
    TIFF("tiffFilePreviewImpl"),
    OFD("ofdFilePreviewImpl"),
-    SVG("svgFilePreviewImpl");
+    EML("emlFilePreviewImpl"),
+    Online3D("online3DFilePreviewImpl"),
+    XMIND("xmindFilePreviewImpl"),
+    SVG("svgFilePreviewImpl"),
+    Epub("epubFilePreviewImpl");

    private static final String[] OFFICE_TYPES = {"docx", "wps", "doc", "docm", "xls", "xlsx", "csv" ,"xlsm", "ppt", "pptx", "vsd", "rtf", "odt", "wmf", "emf", "dps", "et", "ods", "ots", "tsv", "odp", "otp", "sxi", "ott", "vsdx", "fodt", "fods", "xltx","tga","psd"};
    private static final String[] PICTURE_TYPES = {"jpg", "jpeg", "png", "gif", "bmp", "ico", "jfif", "webp"};
    private static final String[] ARCHIVE_TYPES = {"rar", "zip", "jar", "7-zip", "tar", "gzip", "7z"};
+    private static final String[] Online3D_TYPES = {"obj", "3ds", "stl", "ply", "off", "3dm", "fbx", "dae", "wrl", "3mf", "ifc","glb","o3dv","gltf","stp","bim","fcstd","step","iges","brep"};
+    private static final String[] EML_TYPES = {"eml"};
+    private static final String[] XMIND_TYPES = {"xmind"};
+    private static final String[] Epub_TYPES = {"epub"};
    private static final String[] TIFF_TYPES = {"tif", "tiff"};
    private static final String[] OFD_TYPES = {"ofd"};
    private static final String[] SVG_TYPES = {"svg"};
@@ -74,6 +82,18 @@ public enum FileType {
        for (String svg : SVG_TYPES) {
            FILE_TYPE_MAPPER.put(svg, FileType.SVG);
        }
+        for (String epub : Epub_TYPES) {
+            FILE_TYPE_MAPPER.put(epub, FileType.Epub);
+        }
+        for (String eml : EML_TYPES) {
+            FILE_TYPE_MAPPER.put(eml, FileType.EML);
+        }
+        for (String xmind : XMIND_TYPES) {
+            FILE_TYPE_MAPPER.put(xmind, FileType.XMIND);
+        }
+        for (String online3D : Online3D_TYPES) {
+            FILE_TYPE_MAPPER.put(online3D, FileType.Online3D);
+        }
        FILE_TYPE_MAPPER.put("md", FileType.MARKDOWN);
        FILE_TYPE_MAPPER.put("xml", FileType.XML);
        FILE_TYPE_MAPPER.put("pdf", FileType.PDF);
--- a/server/src/main/java/cn/keking/service/CompressFileReader.java
+++ b/server/src/main/java/cn/keking/service/CompressFileReader.java
@@ -112,7 +112,7 @@ public class CompressFileReader {
        //去除字符串中的空格 制表符 换行 回车
        Pattern p = Pattern.compile("\\s*|\t*|\r*|\n*");
        Matcher m = p.matcher(strName);
-        String after = m.replaceAll("");
+        String after = m.replaceAll("").replaceAll("\\+", "").replaceAll("#", "").replaceAll("&", "");
        //去除字符串中的标点符号
        String temp = after.replaceAll("\\p{P}", "");
        //处理之后转换成字符数组
--- a/server/src/main/java/cn/keking/service/FileHandlerService.java
+++ b/server/src/main/java/cn/keking/service/FileHandlerService.java
@@ -151,7 +151,7 @@ public class FileHandlerService {
            // 添加sheet控制头
            sb.append("<script src=\"js/jquery-3.6.1.min.js\" type=\"text/javascript\"></script>");
            sb.append("<script src=\"js/excel.header.js\" type=\"text/javascript\"></script>");
-            sb.append("<link rel=\"stylesheet\" href=\"bootstrap/css/bootstrap.min.css\">");
+            sb.append("<link rel=\"stylesheet\" href=\"bootstrap/css/xlsx.css\">");
        } catch (IOException e) {
            e.printStackTrace();
        }
@@ -273,10 +273,16 @@ public class FileHandlerService {
        if (url.contains("?fileKey=")) {
            attribute.setSkipDownLoad(true);
        }
+        String  urlStrr = url.toLowerCase();  //转换为小写对比
+        boolean wjl = WebUtils.kuayu("&fullfilename=", urlStrr);  //判断是否启用文件流
+        if(wjl){
+            url =  url.substring(0,url.lastIndexOf("&"));  //删除添加的文件流内容
+        }
+        url = WebUtils.encodeUrlFileName(url);
+        fileName =  KkFileUtils.htmlEscape(fileName);  //文件名处理
        attribute.setType(type);
        attribute.setName(fileName);
        attribute.setSuffix(suffix);
-        url = WebUtils.encodeUrlFileName(url);
        attribute.setUrl(url);
        if (req != null) {
            String officePreviewType = req.getParameter("officePreviewType");
--- a/server/src/main/java/cn/keking/service/FilePreview.java
+++ b/server/src/main/java/cn/keking/service/FilePreview.java
@@ -18,6 +18,10 @@ public interface FilePreview {
    String TIFF_FILE_PREVIEW_PAGE = "tiff";
    String OFD_FILE_PREVIEW_PAGE = "ofd";
    String SVG_FILE_PREVIEW_PAGE = "svg";
+    String Online3D_FILE_PAGE = "online3D";
+    String EpubFilePreviewImpl = "epub";
+    String XMIND_FILE_PREVIEW_PAGE = "xmind";
+    String EML_FILE_PREVIEW_PAGE = "eml";
    String OFFICE_PICTURE_FILE_PREVIEW_PAGE = "officePicture";
    String TXT_FILE_PREVIEW_PAGE = "txt";
    String CODE_FILE_PREVIEW_PAGE = "code";
--- a/server/src/main/java/cn/keking/service/impl/CompressFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/CompressFilePreviewImpl.java
@@ -31,8 +31,7 @@ public class CompressFilePreviewImpl implements FilePreview {
    @Override
    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
        String fileName=fileAttribute.getName();
-        String suffix=fileAttribute.getSuffix();
-        String fileTree = null;
+        String fileTree;
        // 判断文件名是否存在(redis缓存读取)
        if (!StringUtils.hasText(fileHandlerService.getConvertedFile(fileName))  || !ConfigConstants.isCacheEnabled()) {
            ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
--- a/server/src/main/java/cn/keking/service/impl/EmlFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/EmlFilePreviewImpl.java
@@ -0,0 +1,25 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.service.FilePreview;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+
+/**
+ * EML 文件处理
+ */
+@Service
+public class EmlFilePreviewImpl implements FilePreview {
+
+    private final PictureFilePreviewImpl pictureFilePreview;
+
+    public EmlFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
+        this.pictureFilePreview = pictureFilePreview;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        return EML_FILE_PREVIEW_PAGE;
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/EpubFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/EpubFilePreviewImpl.java
@@ -0,0 +1,27 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.service.FilePreview;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+
+/**
+ * svg 图片文件处理
+ * @author kl (http://kailing.pub)
+ * @since 2021/2/8
+ */
+@Service
+public class EpubFilePreviewImpl implements FilePreview {
+
+    private final PictureFilePreviewImpl pictureFilePreview;
+
+    public EpubFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
+        this.pictureFilePreview = pictureFilePreview;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        return EpubFilePreviewImpl;
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/Online3DFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/Online3DFilePreviewImpl.java
@@ -0,0 +1,26 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.service.FilePreview;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+
+/**
+ * Created by kl on 2018/1/17.
+ * Content :图片文件处理
+ */
+@Service
+public class Online3DFilePreviewImpl implements FilePreview {
+
+    private final PictureFilePreviewImpl pictureFilePreview;
+
+    public Online3DFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
+        this.pictureFilePreview = pictureFilePreview;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        return Online3D_FILE_PAGE;
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
@@ -7,6 +7,7 @@ import cn.keking.service.FileHandlerService;
 import cn.keking.service.FilePreview;
 import cn.keking.utils.DownloadUtils;
 import cn.keking.utils.EncodingDetects;
+import cn.keking.utils.KkFileUtils;
 import org.apache.commons.codec.binary.Base64;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.Model;
@@ -14,8 +15,6 @@ import org.springframework.web.util.HtmlUtils;

 import java.io.*;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Paths;

 /**
 * Created by kl on 2018/1/17.
@@ -46,7 +45,7 @@ public class SimTextFilePreviewImpl implements FilePreview {
                fileHandlerService.addConvertedFile(fileName, filePath);  //加入缓存
            }
            try {
-                String  fileData = HtmlUtils.htmlEscape(textData(filePath));
+                String  fileData = HtmlUtils.htmlEscape(textData(filePath,fileName));
                model.addAttribute("textData", Base64.encodeBase64String(fileData.getBytes()));
            } catch (IOException e) {
                return otherFilePreview.notSupportedFile(model, fileAttribute, e.getLocalizedMessage());
@@ -55,7 +54,7 @@ public class SimTextFilePreviewImpl implements FilePreview {
        }
        String  fileData = null;
        try {
-            fileData = HtmlUtils.htmlEscape(textData(filePath));
+            fileData = HtmlUtils.htmlEscape(textData(filePath,fileName));
        } catch (IOException e) {
            e.printStackTrace();
        }
@@ -63,8 +62,11 @@ public class SimTextFilePreviewImpl implements FilePreview {
        return TXT_FILE_PREVIEW_PAGE;
    }

-    private String textData(String filePath) throws IOException {
+    private String textData(String filePath,String fileName) throws IOException {
        File file = new File(filePath);
+        if (KkFileUtils.isIllegalFileName(fileName)) {
+            return null;
+        }
        if (!file.exists() || file.length() == 0) {
            return "";
        } else {
@@ -72,15 +74,14 @@ public class SimTextFilePreviewImpl implements FilePreview {
            if ("ASCII".equals(charset)) {
                charset = StandardCharsets.US_ASCII.name();
            }
-            BufferedReader br = new BufferedReader(new InputStreamReader(Files.newInputStream(Paths.get(filePath)), charset));
+            BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(filePath), charset));
            StringBuilder result = new StringBuilder();
            String line;
            while ((line = br.readLine()) != null) {
                result.append(line).append("\r\n");
            }
+            br.close();
            return result.toString();
        }
    }
-
-
 }
--- a/server/src/main/java/cn/keking/service/impl/XmindFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/XmindFilePreviewImpl.java
@@ -0,0 +1,27 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.service.FilePreview;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+
+/**
+ * svg 图片文件处理
+ * @author kl (http://kailing.pub)
+ * @since 2021/2/8
+ */
+@Service
+public class XmindFilePreviewImpl implements FilePreview {
+
+    private final PictureFilePreviewImpl pictureFilePreview;
+
+    public XmindFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
+        this.pictureFilePreview = pictureFilePreview;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        return XMIND_FILE_PREVIEW_PAGE;
+    }
+}
--- a/server/src/main/java/cn/keking/utils/DownloadUtils.java
+++ b/server/src/main/java/cn/keking/utils/DownloadUtils.java
@@ -3,10 +3,13 @@ package cn.keking.utils;
 import cn.keking.config.ConfigConstants;
 import cn.keking.model.FileAttribute;
 import cn.keking.model.ReturnResponse;
+import cn.keking.service.FileHandlerService;
 import io.mola.galimatias.GalimatiasParseException;
 import org.apache.commons.io.FileUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.util.StringUtils;
+import org.springframework.web.util.HtmlUtils;

 import java.io.*;
 import java.net.*;
@@ -35,6 +38,12 @@ public class DownloadUtils {
        String urlStr = fileAttribute.getUrl().replaceAll("\\+", "%20");
        ReturnResponse<String> response = new ReturnResponse<>(0, "下载成功!!!", "");
        String realPath = DownloadUtils.getRelFilePath(fileName, fileAttribute);
+        if(!StringUtils.hasText(realPath)){
+            response.setCode(1);
+            response.setContent(null);
+            response.setMsg("下载失败:文件名不合法!" + urlStr);
+            return response;
+        }
        try {
            URL url = WebUtils.normalizedURL(urlStr);
            if (!fileAttribute.getSkipDownLoad()) {
@@ -82,18 +91,20 @@ public class DownloadUtils {
        } else { // 文件后缀不一致时，以type为准(针对simText【将类txt文件转为txt】)
            fileName = fileName.replace(fileName.substring(fileName.lastIndexOf(".") + 1), type);
        }
+        // 判断是否非法地址
+        if (KkFileUtils.isIllegalFileName(fileName)) {
+            return null;
+        }
        String realPath = fileDir + fileName;
        File dirFile = new File(fileDir);
        if (!dirFile.exists() && !dirFile.mkdirs()) {
            logger.error("创建目录【{}】失败,可能是权限不够，请检查", fileDir);
        }
-
        // 文件已在本地存在，跳过文件下载
        File realFile = new File(realPath);
        if (realFile.exists()) {
            fileAttribute.setSkipDownLoad(true);
        }
-
        return realPath;
    }

--- a/server/src/main/java/cn/keking/utils/KkFileUtils.java
+++ b/server/src/main/java/cn/keking/utils/KkFileUtils.java
@@ -1,13 +1,11 @@
 package cn.keking.utils;

-import cpdetector.CharsetPrinter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.util.StringUtils;
 import org.springframework.web.util.HtmlUtils;

 import java.io.File;
-import java.io.IOException;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
@@ -45,7 +43,18 @@ public class KkFileUtils {
        }
        return false;
    }
-
+    /**
+     * 检查是否是数字
+     * @param str 文件名
+     * @return 合规结果,true:不合规，false:合规
+     */
+    public static boolean isInteger(String str) {
+        if(StringUtils.hasText(str)){
+            boolean strResult = str.matches("-?[0-9]+.?[0-9]*");
+            return strResult ;
+        }
+        return false;
+    }
    /**
     * 判断url是否是http资源
     *
@@ -89,41 +98,16 @@ public class KkFileUtils {
        }
    }

-    /**
-     * 检测文件编码格式
-     *
-     * @param filePath 绝对路径
-     * @return 编码格式
-     */
-    public static String getFileEncode(String filePath) {
-        return getFileEncode(new File(filePath));
-    }
-
-    /**
-     * 检测文件编码格式
-     *
-     * @param file 检测的文件
-     * @return 编码格式
-     */
-    public static String getFileEncode(File file) {
-        CharsetPrinter cp = new CharsetPrinter();
-        try {
-            String encoding = cp.guessEncoding(file);
-            LOGGER.info("检测到文件【{}】编码: {}", file.getAbsolutePath(), encoding);
-            return encoding;
-        } catch (IOException e) {
-            LOGGER.warn("文件编码获取失败，采用默认的编码格式：UTF-8", e);
-            return DEFAULT_FILE_ENCODING;
-        }
-    }

    public static String htmlEscape(String input) {
        if(StringUtils.hasText(input)){
+            //input = input.replaceAll("\\{", "%7B").replaceAll("}", "%7D").replaceAll("\\\\", "%5C");
            return HtmlUtils.htmlEscape(input);
        }
        return input;
    }

+
    /**
     * 通过文件名获取文件后缀
     *
--- a/server/src/main/java/cn/keking/utils/WebUtils.java
+++ b/server/src/main/java/cn/keking/utils/WebUtils.java
@@ -8,12 +8,13 @@ import javax.servlet.ServletRequest;
 import java.io.UnsupportedEncodingException;
 import java.net.MalformedURLException;
 import java.net.URL;
-import java.net.URLDecoder;
 import java.net.URLEncoder;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;

 /**
 * @author : kl
@@ -173,7 +174,23 @@ public class WebUtils {
        }
        return null;
    }
-
+    /**
+     *  判断地址是否正确
+     * 高 2022/12/17
+     */
+    public static boolean hefaurl (String url) {
+        String regStr = "^((https|http|ftp|rtsp|mms|file)://)";//[.?*]表示匹配的就是本身
+        Pattern pattern = Pattern.compile(regStr);
+        Matcher matcher = pattern.matcher(url);
+        return matcher.find();
+    }
+    public static boolean kuayu(String host, String wjl) {  //查询域名是否相同
+        if (wjl.contains(host)) {
+            return true;
+        }else {
+            return false;
+        }
+    }
    /**
     * 将 Base64 字符串解码，再解码URL参数, 默认使用 UTF-8
     * @param source 原始 Base64 字符串
@@ -183,11 +200,10 @@ public class WebUtils {
     */
    public static String decodeUrl(String source) {
        String url = decodeBase64String(source, StandardCharsets.UTF_8);
-        try {
-            url = URLDecoder.decode(url, StandardCharsets.UTF_8.name());
-        } catch (UnsupportedEncodingException e) {
-            throw new RuntimeException(e);
+        if (! StringUtils.isNotBlank(url)){
+            return null;
        }
+
        return url;
    }

@@ -203,9 +219,13 @@ public class WebUtils {
         * 有些 Base64 实现可能每 76 个字符插入换行符，也一并去掉
         * https://github.com/kekingcn/kkFileView/pull/340
         */
-        return new String(Base64Utils.decodeFromString(
-                source.replaceAll(" ", "+").replaceAll("\n", "")
-        ), charsets);
+        try {
+            return new String(Base64Utils.decodeFromString(source.replaceAll(" ", "+").replaceAll("\n", "")), charsets);
+        } catch (Exception e) {
+            System.out.println("接入方法错误,或者未使用BASE64");
+            //  e.printStackTrace();
+            return null;
+        }
    }

    /**
--- a/server/src/main/java/cn/keking/web/filter/AttributeSetFilter.java
+++ b/server/src/main/java/cn/keking/web/filter/AttributeSetFilter.java
@@ -46,26 +46,45 @@ public class AttributeSetFilter implements Filter {
     * 设置水印属性
     * @param request request
     */
+
    private void setWatermarkAttribute(ServletRequest request) {
        String watermarkTxt= KkFileUtils.htmlEscape(request.getParameter("watermarkTxt"));
        request.setAttribute("watermarkTxt", watermarkTxt != null ? watermarkTxt : WatermarkConfigConstants.getWatermarkTxt());
-        String watermarkXSpace = request.getParameter("watermarkXSpace");
+        String watermarkXSpace =  KkFileUtils.htmlEscape(request.getParameter("watermarkXSpace"));
+        if (!KkFileUtils.isInteger(watermarkXSpace)){
+            watermarkXSpace =null;
+        }
        request.setAttribute("watermarkXSpace", watermarkXSpace != null ? watermarkXSpace : WatermarkConfigConstants.getWatermarkXSpace());
-        String watermarkYSpace = request.getParameter("watermarkYSpace");
+        String watermarkYSpace =  KkFileUtils.htmlEscape(request.getParameter("watermarkYSpace"));
+       if (!KkFileUtils.isInteger(watermarkYSpace)){
+           watermarkYSpace =null;
+       }
        request.setAttribute("watermarkYSpace", watermarkYSpace != null ? watermarkYSpace : WatermarkConfigConstants.getWatermarkYSpace());
-        String watermarkFont = request.getParameter("watermarkFont");
+        String watermarkFont =  KkFileUtils.htmlEscape(request.getParameter("watermarkFont"));
        request.setAttribute("watermarkFont", watermarkFont != null ? watermarkFont : WatermarkConfigConstants.getWatermarkFont());
-        String watermarkFontsize = request.getParameter("watermarkFontsize");
+        String watermarkFontsize =  KkFileUtils.htmlEscape(request.getParameter("watermarkFontsize"));
        request.setAttribute("watermarkFontsize", watermarkFontsize != null ? watermarkFontsize : WatermarkConfigConstants.getWatermarkFontsize());
-        String watermarkColor = request.getParameter("watermarkColor");
+        String watermarkColor =  KkFileUtils.htmlEscape(request.getParameter("watermarkColor"));
        request.setAttribute("watermarkColor", watermarkColor != null ? watermarkColor : WatermarkConfigConstants.getWatermarkColor());
-        String watermarkAlpha = request.getParameter("watermarkAlpha");
+        String watermarkAlpha =  KkFileUtils.htmlEscape(request.getParameter("watermarkAlpha"));
+        if (!KkFileUtils.isInteger(watermarkAlpha)){
+            watermarkAlpha =null;
+        }
        request.setAttribute("watermarkAlpha", watermarkAlpha != null ? watermarkAlpha : WatermarkConfigConstants.getWatermarkAlpha());
-        String watermarkWidth = request.getParameter("watermarkWidth");
+        String watermarkWidth = KkFileUtils.htmlEscape(request.getParameter("watermarkWidth"));
+        if (!KkFileUtils.isInteger(watermarkWidth)){
+            watermarkWidth =null;
+        }
        request.setAttribute("watermarkWidth", watermarkWidth != null ? watermarkWidth : WatermarkConfigConstants.getWatermarkWidth());
-        String watermarkHeight = request.getParameter("watermarkHeight");
+        String watermarkHeight = KkFileUtils.htmlEscape(request.getParameter("watermarkHeight"));
+        if (!KkFileUtils.isInteger(watermarkHeight)){
+            watermarkHeight =null;
+        }
        request.setAttribute("watermarkHeight", watermarkHeight != null ? watermarkHeight : WatermarkConfigConstants.getWatermarkHeight());
-        String watermarkAngle = request.getParameter("watermarkAngle");
+        String watermarkAngle = KkFileUtils.htmlEscape(request.getParameter("watermarkAngle"));
+        if (!KkFileUtils.isInteger(watermarkAngle)){
+            watermarkAngle =null;
+        }
        request.setAttribute("watermarkAngle", watermarkAngle != null ? watermarkAngle : WatermarkConfigConstants.getWatermarkAngle());
    }

--- a/server/src/main/java/cn/keking/web/filter/TrustDirFilter.java
+++ b/server/src/main/java/cn/keking/web/filter/TrustDirFilter.java
@@ -56,7 +56,7 @@ public class TrustDirFilter implements Filter {
    }

    private boolean allowPreview(String urlPath) {
-        if(!StringUtils.hasText(urlPath)){
+        if(!StringUtils.hasText(urlPath) || !WebUtils.hefaurl(urlPath)){   //判断URL是否合法
            return false ;
        }
        try {
--- a/server/src/main/resources/static/bootstrap/css/xlsx.css
+++ b/server/src/main/resources/static/bootstrap/css/xlsx.css
@@ -0,0 +1,49 @@
+ body {
+    margin-left: 0px;
+    margin-top: 0px;
+    margin-right: 0px;
+    margin-bottom: 0px;
+  }
+table, tbody, tfoot, thead, tr, th, td {
+
+        white-space: normal !important;
+      }
+      /* 该行会导致部分excel列变得又窄又高，从而变为竖长条
+      table {
+        table-layout: auto !important;
+      }
+      */
+      .tab-content {
+        position: relative;
+      }
+      img {
+        max-width: none !important;
+      }
+ a{
+	
+ text-decoration: none;
+   border: 1px solid #dddddd !important;
+        white-space: normal !important;
+		
+        }
+        /*默认状态*/
+ h1 {
+    background: #2B6695;
+    border-radius: 6px 6px 6px 6px;
+    box-shadow: 0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
+    color: #FFFFFF;
+    font-family:"微软雅黑", "宋体", "黑体", Arial;
+    font-size: 18px;
+    font-weight: bold;
+    height: 25px;
+    line-height: 25px;
+    margin: 4px 0 !important;
+    padding: 8px 0 5px 5px;
+    text-shadow: 2px 2px 3px #222222;
+}
+table{
+width:100%; 
+}
+
+
+
--- a/server/src/main/resources/static/eml/index.html
+++ b/server/src/main/resources/static/eml/index.html
@@ -0,0 +1,65 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+    <title>EML 在线看</title>
+
+    <link href="src/bootstrap.css" rel="stylesheet">
+    <link href="src/main.css" rel="stylesheet">
+  <script type="text/javascript" src="static/js/manifest.2ae2e69a05c33dfc65f8.js"></script>
+  <script type="text/javascript" src="static/js/vendor.f615be12b031102299b7.js"></script>
+
+<script type="text/javascript" src="static/js/app.8292ba6c8f6b07911e29.js?"' + Math.random() +'></script>
+
+  </head>
+  <body>
+    <div id="headerwrap" class="dropzone">
+        <div class="container">
+            <div class="row" id="download-eml">
+          
+            </div>
+
+            <div class="row" id="view-eml">
+               
+             
+                <div class="panel-group eml-details" id="accordion" role="tablist" aria-multiselectable="true">
+                    <div class="panel panel-default">
+                        <div class="panel-heading" role="tab" id="headingHeaders">
+                            <h4 class="panel-title">
+                                <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseHeaders" aria-expanded="true" aria-controls="collapseHeaders">
+                                   标题
+                                </a>
+                            </h4>
+                        </div>
+                        <div id="collapseHeaders" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="headingHeaders">
+                            <div class="panel-body eml-details__content eml-details__content-headers"></div>
+                        </div>
+                    </div>
+                    <div class="panel panel-default">
+					
+					<b><font color="#000000">正文:</font></b>
+                         <div class="panel-heading" role="tab" id="divPagenation"></div>
+                       
+                    </div>
+					     <div class="panel panel-default">
+                        <div class="panel-heading" role="tab" id="headingAttachments">
+                            <h4 class="panel-title">
+                                <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseAttachments" aria-expanded="false" aria-controls="collapseAttachments">
+                                    附件
+                                </a>
+                            </h4>
+                        </div>
+                        <div id="collapseAttachments" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingAttachments">
+                            <div class="panel-body eml-details__content eml-details__content-attachments"></div>
+                        </div>
+                    </div>
+                </div>
+				 
+				
+            </div>
+        </div>
+    </div>
+  </body>
+</html>
--- a/server/src/main/resources/static/eml/src/bootstrap.css
+++ b/server/src/main/resources/static/eml/src/bootstrap.css
--- a/server/src/main/resources/static/eml/src/header-bg.jpg
+++ b/server/src/main/resources/static/eml/src/header-bg.jpg
--- a/server/src/main/resources/static/eml/src/main.css
+++ b/server/src/main/resources/static/eml/src/main.css
@@ -0,0 +1,342 @@
+html, body {
+    height: 100%;
+}
+
+body {
+    font-family: 'EB Garamond', serif;
+    font-weight: 300;
+    font-size: 16px;
+    color: #f2f2f2;
+
+    -webkit-font-smoothing: antialiased;
+    -webkit-overflow-scrolling: touch;
+}
+
+/* Titles */
+h1, h2, h3, h4, h5, h6 {
+    font-family: 'Oswald', sans-serif;
+    font-weight: 300;
+    color: #333;
+}
+
+
+/* Paragraph & Typographic */
+p {
+    line-height: 28px;
+    margin-bottom: 25px;
+}
+
+.centered {
+    text-align: center;
+}
+
+/* Links */
+a {
+    color: #f85c37;
+    word-wrap: break-word;
+
+    -webkit-transition: color 0.1s ease-in, background 0.1s ease-in;
+    -moz-transition: color 0.1s ease-in, background 0.1s ease-in;
+    -ms-transition: color 0.1s ease-in, background 0.1s ease-in;
+    -o-transition: color 0.1s ease-in, background 0.1s ease-in;
+    transition: color 0.1s ease-in, background 0.1s ease-in;
+}
+
+a:hover,
+a:focus {
+    color: #7b7b7b;
+    text-decoration: none;
+    outline: 0;
+}
+
+a:before,
+a:after {
+    -webkit-transition: color 0.1s ease-in, background 0.1s ease-in;
+    -moz-transition: color 0.1s ease-in, background 0.1s ease-in;
+    -ms-transition: color 0.1s ease-in, background 0.1s ease-in;
+    -o-transition: color 0.1s ease-in, background 0.1s ease-in;
+    transition: color 0.1s ease-in, background 0.1s ease-in;
+}
+
+ hr {
+    display: block;
+    height: 1px;
+    border: 0;
+    border-top: 1px solid #ccc;
+    margin: 1em 0;
+    padding: 0;
+}
+
+
+/* ==========================================================================
+   Wrap Sections
+   ========================================================================== */
+
+#headerwrap {
+    background: url(header-bg.jpg) no-repeat center center fixed;
+
+    -webkit-background-size: 100%;
+    -moz-background-size: 100%;
+    -o-background-size: 100%;
+    background-size: 100%;
+
+    -webkit-background-size: cover;
+    -moz-background-size: cover;
+    -o-background-size: cover;
+    background-size: cover;
+
+    overflow: auto;
+
+	text-align:center;
+	min-height: 700px;
+	width: 100%;
+    height: 100%;
+}
+
+#headerwrap h1 {
+	margin-top: 150px;
+	color: white;
+	font-size: 70px;
+	font-weight: 700;
+}
+
+#headerwrap h3 {
+	color: white;
+	font-size: 30px;
+	font-weight: 100;
+    font-family: 'EB Garamond', serif;
+    font-style: oblique;
+}
+
+#headerwrap .logo {
+	text-align: left;
+	margin-left: 20px;
+	margin-top: 15px;
+}
+
+
+/* Footer Wrap */
+
+#f {
+	background: #1a1a1a;
+	padding-top: 70px;
+	padding-bottom: 70px;
+	text-align: center
+}
+
+#f h3 {
+	color: white;
+	font-size: 28px;
+	font-weight: 700;
+	letter-spacing: 1px;	
+}
+
+#f i {
+	font-size: 8px;
+	color: #fff;
+    padding: 3px;
+}
+
+#f p {
+	font-size: 20px;
+	color: #f2f2f2;
+}
+
+#f img {
+	text-align: center;
+}
+
+
+/* MENU CONF*/
+
+.menu {
+	position: fixed;
+	right: -200px;
+	width: 260px;
+	height: 100%;
+	top: 0;
+	z-index: 10;
+	text-align: left;
+}
+
+.menu.menu-open {
+	right: 0px;
+}
+
+.menu-wrap {
+	position: absolute;
+	top: 0;
+	left: 60px;
+	background: #1a1a1a;
+	width: 200px;
+	height: 100%;
+}
+
+.menu h1.logo a {
+	font-family: 'Oswald', sans-serif;
+	font-size: 16px;
+	font-weight: 700;
+	letter-spacing: 0.15em;
+	line-height: 40px;
+	text-transform: uppercase;
+	color: #ffffff;
+	margin-top: 20px;
+}
+
+.menu h1.logo a:hover {
+	color: #f85c37;
+}
+
+.menu img.logo {
+	margin: 20px 0;
+	max-width: 160px;
+}
+
+.menu a {
+	margin-left: 20px;
+	color: #808080;
+	display: block;
+	font-size: 12px;
+	font-weight: 700;
+	line-height: 40px;
+	letter-spacing: 0.1em;
+	text-transform: uppercase;
+}
+
+.menu a:hover {
+	color: #ffffff;
+}
+
+.menu a:active {
+	color: #ffffff;
+}
+
+.menu a > i {
+	float: left;
+	display: inline-block;
+	vertical-align: middle; 
+	text-align: left;
+	width: 25px;
+	font-size: 14px;
+	line-height: 40px;
+	margin: 25px 2px;
+}
+
+.menu-close {
+	cursor: pointer;
+	display: block;
+	position: absolute;
+	font-size: 14px;
+	color: #808080;
+	width: 40px;
+	height: 40px;
+	line-height: 40px;
+	top: 20px;
+	right: 5px;
+	-webkit-transition: all .1s ease-in-out;
+	   -moz-transition: all .1s ease-in-out;
+		-ms-transition: all .1s ease-in-out;
+		 -o-transition: all .1s ease-in-out;
+			transition: all .1s ease-in-out;
+}
+
+.menu-close:hover {
+	color: #ffffff;
+	-webkit-transition: all .1s ease-in-out;
+	   -moz-transition: all .1s ease-in-out;
+		-ms-transition: all .1s ease-in-out;
+		 -o-transition: all .1s ease-in-out;
+			transition: all .1s ease-in-out;
+}
+
+/* Push the body after clicking the menu button */
+.body-push {
+	overflow-x: hidden;
+	position: relative;
+	left: 0;
+}
+
+.body-push-toright {
+	left: 200px;
+}
+
+.body-push-toleft {
+	left: -200px;
+}
+
+.menu,
+.body-push {
+	-webkit-transition: all .3s ease;
+	   -moz-transition: all .3s ease;
+		-ms-transition: all .3s ease;
+		 -o-transition: all .3s ease;
+			transition: all .3s ease;
+}
+
+#menuToggle {
+	position: absolute;
+	top: 20px;
+	left: 0;
+	z-index: 11;
+	display: block;
+	text-align: center;
+	font-size: 14px;
+	color: #ffffff;
+	width: 40px;
+	height: 40px;
+	line-height: 40px;
+	cursor: pointer;
+	background: rgba(0,0,0,0.25);
+	-webkit-transition: all .1s ease-in-out;
+	   -moz-transition: all .1s ease-in-out;
+		-ms-transition: all .1s ease-in-out;
+		 -o-transition: all .1s ease-in-out;
+			transition: all .1s ease-in-out;
+}
+
+#menuToggle:hover {
+	color: #ffffff;
+	background: rgba(0,0,0,0.2);
+	-webkit-transition: all .1s ease-in-out;
+	   -moz-transition: all .1s ease-in-out;
+		-ms-transition: all .1s ease-in-out;
+		 -o-transition: all .1s ease-in-out;
+			transition: all .1s ease-in-out;
+}
+#file {
+    display: none;
+}
+
+.dragging {
+    opacity: 0.5;
+}
+
+.drag-and-drop-label {
+    font-family: 'Oswald', sans-serif;
+    font-weight: 300;
+    font-size: 18px;
+    color: white;
+}
+#view-eml {
+    display: none;
+    padding-top: 20px;
+}
+.eml-iframe {
+    width: 100%;
+    height: 1000px;
+    margin-top: 10px;
+    border: 0;
+}
+.eml-details {
+	display: none;
+	margin-top: 20px;
+}
+.eml-details__content {
+	color: #1a1a1a;
+}
+
+#eml_error_header {
+ 	font-weight:300;
+       	font-size: 18px;
+       	color: red;
+}
--- a/server/src/main/resources/static/eml/static/js/app.8292ba6c8f6b07911e29.js
+++ b/server/src/main/resources/static/eml/static/js/app.8292ba6c8f6b07911e29.js
--- a/server/src/main/resources/static/eml/static/js/app.8292ba6c8f6b07911e29.js.map
+++ b/server/src/main/resources/static/eml/static/js/app.8292ba6c8f6b07911e29.js.map
--- a/server/src/main/resources/static/eml/static/js/manifest.2ae2e69a05c33dfc65f8.js
+++ b/server/src/main/resources/static/eml/static/js/manifest.2ae2e69a05c33dfc65f8.js
@@ -0,0 +1,102 @@
+/******/ (function(modules) { // webpackBootstrap
+/******/ 	// install a JSONP callback for chunk loading
+/******/ 	var parentJsonpFunction = window["webpackJsonp"];
+/******/ 	window["webpackJsonp"] = function webpackJsonpCallback(chunkIds, moreModules, executeModules) {
+/******/ 		// add "moreModules" to the modules object,
+/******/ 		// then flag all "chunkIds" as loaded and fire callback
+/******/ 		var moduleId, chunkId, i = 0, resolves = [], result;
+/******/ 		for(;i < chunkIds.length; i++) {
+/******/ 			chunkId = chunkIds[i];
+/******/ 			if(installedChunks[chunkId]) {
+/******/ 				resolves.push(installedChunks[chunkId][0]);
+/******/ 			}
+/******/ 			installedChunks[chunkId] = 0;
+/******/ 		}
+/******/ 		for(moduleId in moreModules) {
+/******/ 			if(Object.prototype.hasOwnProperty.call(moreModules, moduleId)) {
+/******/ 				modules[moduleId] = moreModules[moduleId];
+/******/ 			}
+/******/ 		}
+/******/ 		if(parentJsonpFunction) parentJsonpFunction(chunkIds, moreModules, executeModules);
+/******/ 		while(resolves.length) {
+/******/ 			resolves.shift()();
+/******/ 		}
+/******/ 		if(executeModules) {
+/******/ 			for(i=0; i < executeModules.length; i++) {
+/******/ 				result = __webpack_require__(__webpack_require__.s = executeModules[i]);
+/******/ 			}
+/******/ 		}
+/******/ 		return result;
+/******/ 	};
+/******/
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// objects to store loaded and loading chunks
+/******/ 	var installedChunks = {
+/******/ 		2: 0
+/******/ 	};
+/******/
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__webpack_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__webpack_require__.d = function(exports, name, getter) {
+/******/ 		if(!__webpack_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, {
+/******/ 				configurable: false,
+/******/ 				enumerable: true,
+/******/ 				get: getter
+/******/ 			});
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__webpack_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__webpack_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__webpack_require__.p = "/";
+/******/
+/******/ 	// on error function for async loading
+/******/ 	__webpack_require__.oe = function(err) { console.error(err); throw err; };
+/******/ })
+/************************************************************************/
+/******/ ([]);
+//# sourceMappingURL=manifest.2ae2e69a05c33dfc65f8.js.map
--- a/server/src/main/resources/static/eml/static/js/manifest.2ae2e69a05c33dfc65f8.js.map
+++ b/server/src/main/resources/static/eml/static/js/manifest.2ae2e69a05c33dfc65f8.js.map
--- a/server/src/main/resources/static/eml/static/js/vendor.f615be12b031102299b7.js
+++ b/server/src/main/resources/static/eml/static/js/vendor.f615be12b031102299b7.js
--- a/server/src/main/resources/static/eml/static/js/vendor.f615be12b031102299b7.js.map
+++ b/server/src/main/resources/static/eml/static/js/vendor.f615be12b031102299b7.js.map
--- a/server/src/main/resources/static/epub/epub.js
+++ b/server/src/main/resources/static/epub/epub.js
--- a/server/src/main/resources/static/epub/examples.css
+++ b/server/src/main/resources/static/epub/examples.css
@@ -0,0 +1,286 @@
+body {
+  margin: 0;
+  background: #fafafa;
+  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+  color: #333;
+
+  position: absolute;
+  height: 100%;
+  width: 100%;
+  min-height: 800px;
+}
+
+#title {
+  width: 900px;
+  min-height: 18px;
+  margin: 10px auto;
+  text-align: center;
+  font-size: 16px;
+  color: #E2E2E2;
+  font-weight: 400;
+}
+
+#title:hover {
+  color: #777;
+}
+
+#viewer.spreads {
+  width: 900px;
+  height: 600px;
+  box-shadow: 0 0 4px #ccc;
+  border-radius: 5px;
+  padding: 0;
+  position: relative;
+  margin: 10px auto;
+  background: white url('ajax-loader.gif') center center no-repeat;
+  top: calc(50vh - 400px);
+}
+
+#viewer.spreads .epub-view > iframe {
+    background: white;
+}
+
+#viewer.scrolled {
+  overflow: hidden;
+  width: 800px;
+  margin: 0 auto;
+  position: relative;
+  background: url('ajax-loader.gif') center center no-repeat;
+
+}
+
+#viewer.scrolled .epub-container {
+  background: white;
+  box-shadow: 0 0 4px #ccc;
+  margin: 10px;
+  padding: 20px;
+}
+
+#viewer.scrolled .epub-view > iframe {
+    background: white;
+}
+
+#prev {
+  left: 0;
+}
+
+#next {
+  right: 0;
+}
+
+#toc {
+  display: block;
+  margin: 10px auto;
+}
+
+@media (min-width: 1000px) {
+  #viewer.spreads:after {
+    position: absolute;
+    width: 1px;
+    border-right: 1px #000 solid;
+    height: 90%;
+    z-index: 1;
+    left: 50%;
+    margin-left: -1px;
+    top: 5%;
+    opacity: .15;
+    box-shadow: -2px 0 15px rgba(0, 0, 0, 1);
+    content:  "";
+  }
+
+  #viewer.spreads.single:after {
+    display: none;
+  }
+
+  #prev {
+    left: 40px;
+  }
+
+  #next {
+    right: 40px;
+  }
+}
+
+.arrow {
+  position: fixed;
+  top: 50%;
+  margin-top: -32px;
+  font-size: 64px;
+  color: #E2E2E2;
+  font-family: arial, sans-serif;
+  font-weight: bold;
+  cursor: pointer;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  user-select: none;
+  text-decoration: none;
+}
+
+.navlink {
+  margin: 14px;
+  display: block;
+  text-align: center;
+  text-decoration: none;
+  color: #ccc;
+}
+
+.arrow:hover, .navlink:hover {
+  color: #777;
+}
+
+.arrow:active, .navlink:hover {
+  color: #000;
+}
+
+#book-wrapper {
+  width: 480px;
+  height: 640px;
+  overflow: hidden;
+  border: 1px solid #ccc;
+  margin: 28px auto;
+  background: #fff;
+  border-radius: 0 5px 5px 0;
+  position: absolute;
+}
+
+#book-viewer {
+  width: 480px;
+  height: 660px;
+  margin: -30px auto;
+  -moz-box-shadow:      inset 10px 0 20px rgba(0,0,0,.1);
+  -webkit-box-shadow:   inset 10px 0 20px rgba(0,0,0,.1);
+  box-shadow:           inset 10px 0 20px rgba(0,0,0,.1);
+}
+
+#book-viewer iframe {
+  padding: 40px 40px;
+}
+
+#controls {
+  position: absolute;
+  bottom: 16px;
+  left: 50%;
+  width: 400px;
+  margin-left: -200px;
+  text-align: center;
+  display: none;
+}
+
+#controls > input[type=range] {
+    width: 400px;
+}
+
+#navigation {
+  width: 400px;
+  height: 100vh;
+  position: absolute;
+  overflow: auto;
+  top: 0;
+  left: 0;
+  background: #777;
+  -webkit-transition: -webkit-transform .25s ease-out;
+  -moz-transition: -moz-transform .25s ease-out;
+  -ms-transition: -moz-transform .25s ease-out;
+  transition: transform .25s ease-out;
+
+}
+
+#navigation.fixed {
+  position: fixed;
+}
+
+#navigation h1 {
+  width: 200px;
+  font-size: 16px;
+  font-weight: normal;
+  color: #fff;
+  margin-bottom: 10px;
+}
+
+#navigation h2 {
+  font-size: 14px;
+  font-weight: normal;
+  color: #B0B0B0;
+  margin-bottom: 20px;
+}
+
+#navigation ul {
+  padding-left: 36px;
+  margin-left: 0;
+  margin-top: 12px;
+  margin-bottom: 12px;
+  width: 340px;
+}
+
+#navigation ul li {
+  list-style: decimal;
+  margin-bottom: 10px;
+  color: #cccddd;
+  font-size: 12px;
+  padding-left: 0;
+  margin-left: 0;
+}
+
+#navigation ul li a {
+  color: #ccc;
+  text-decoration: none;
+}
+
+#navigation ul li a:hover {
+  color: #fff;
+  text-decoration: underline;
+}
+
+#navigation ul li a.active {
+  color: #fff;
+}
+
+#navigation #cover {
+  display: block;
+  margin: 24px auto;
+}
+
+#navigation #closer {
+  position: absolute;
+  top: 0;
+  right: 0;
+  padding: 12px;
+  color: #cccddd;
+  width: 24px;
+}
+
+#navigation.closed {
+  -webkit-transform: translate(-400px, 0);
+  -moz-transform: translate(-400px, 0);
+  -ms-transform: translate(-400px, 0);
+}
+
+svg {
+  display: block;
+}
+
+.close-x {
+  stroke: #cccddd;
+  fill: transparent;
+  stroke-linecap: round;
+  stroke-width: 5;
+}
+
+.close-x:hover {
+  stroke: #fff;
+}
+
+#opener {
+  position: absolute;
+  top: 0;
+  left: 0;
+  padding: 10px;
+  stroke: #E2E2E2;
+  fill: #E2E2E2;
+
+}
+
+#opener:hover {
+  stroke: #777;
+  fill: #777;
+}
--- a/server/src/main/resources/static/js/excel.header.js
+++ b/server/src/main/resources/static/js/excel.header.js
@@ -1,5 +1,5 @@
 /**创建一个div并固定在底部，将center中的所有a标签放在改div中**/
-$("body").append($("<div>").css({"width":"100%","height":"30px","position":"fixed","top":"0","left":"0"
+$("body").append($("<div>").css({"width":"100%","height":"100%px","position":"fixed","top":"0","left":"0"
    ,"background-color":"rgba(53, 53, 53, 1)","line-height":"30px","font-size":"13px"}).attr("id","excel-header-nav"));
 $("center").css("display", "none");
 var centerChildrenA = $("center").children("a");
@@ -15,4 +15,42 @@ $(centerChildrenA).each(function (a, b) {
    $("#excel-header-nav").append(b);
 });
 /**给所有的table添加class=table table-striped样式**/
-$("table").addClass("table table-striped");
+$("table").addClass("table table-striped");
+/**
+ * openoffice，只有一个 colgroup，用col子标签来描述列,liboffice 每一列都是一个colgroup 
+ * var meta = $("meta[name=generator]");
+ * LibreOffice  //OpenOffice
+ * console.log(meta[0].content);
+ */
+/**计算表头宽度----start**/
+function ______getColgroupWidth(colgroups){
+	var twidth = 0;
+	$(colgroups).each(function (i, g) {
+		var w = $(g).attr("width");
+		var s = $(g).attr("span");
+		if(null==s || undefined==s){
+			s=1;
+		}
+		twidth +=1*w*s;
+	});
+	return twidth;
+}
+$("table").each(function (a, b) {
+	var twidth = 0;
+    var tableChildrenColgroup = $(b).children("colgroup");
+    if(0==tableChildrenColgroup.length){
+    }else if(1==tableChildrenColgroup.length){
+    	var cols = tableChildrenColgroup.children("col");
+    	if(0==cols.length){
+    		twidth=______getColgroupWidth(tableChildrenColgroup);
+    	}else{
+    		$(cols).each(function (i, g) {
+        		var w = $(g).attr("width");
+        		twidth +=1*w;
+        	});
+    	}
+    }else{
+    	twidth = ______getColgroupWidth(tableChildrenColgroup);
+    }
+    $(b).css({"width":twidth});
+});
--- a/server/src/main/resources/static/js/jszip.min.js
+++ b/server/src/main/resources/static/js/jszip.min.js
--- a/server/src/main/resources/static/js/viewer.min.js
+++ b/server/src/main/resources/static/js/viewer.min.js
--- a/server/src/main/resources/static/ofd/js/cnofd-view.js
+++ b/server/src/main/resources/static/ofd/js/cnofd-view.js
@@ -362,6 +362,9 @@ function print() {
    if (list.length > 0) {
        if (!isIE()) {
            var mywindow = window.open("打印窗口", "_blank"); 
+             mywindow.document.write('<!DOCTYPE html><html><head>'
+                                   +'<style media="print">.page-break { page-break-inside: avoid; page-break-after: always; }</style>'
+                                   +'</head><body></body</html>');
            var documentBody = mywindow.document.body; 
            var _iterator2 = _createForOfIteratorHelper(list),
            _step2;
--- a/server/src/main/resources/static/ofd/js/cnofd.umd.min.js
+++ b/server/src/main/resources/static/ofd/js/cnofd.umd.min.js
--- a/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/negx.jpg
+++ b/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/negx.jpg
--- a/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/negy.jpg
+++ b/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/negy.jpg
--- a/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/negz.jpg
+++ b/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/negz.jpg
--- a/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/posx.jpg
+++ b/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/posx.jpg
--- a/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/posy.jpg
+++ b/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/posy.jpg
--- a/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/posz.jpg
+++ b/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/posz.jpg
--- a/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/readme.txt
+++ b/server/src/main/resources/static/website/assets/envmaps/fishermans_bastion/readme.txt
@@ -0,0 +1,13 @@
+Author
+======
+
+This is the work of Emil Persson, aka Humus.
+http://www.humus.name
+
+
+
+License
+=======
+
+This work is licensed under a Creative Commons Attribution 3.0 Unported License.
+http://creativecommons.org/licenses/by/3.0/
--- a/server/src/main/resources/static/website/assets/images/3dviewer_net_favicon.ico
+++ b/server/src/main/resources/static/website/assets/images/3dviewer_net_favicon.ico
--- a/server/src/main/resources/static/website/assets/images/3dviewer_net_logo.svg
+++ b/server/src/main/resources/static/website/assets/images/3dviewer_net_logo.svg
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg id="logo" version="1.1" viewBox="0 0 60 60" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><defs><clipPath id="d-5"><use width="100%" height="100%" overflow="visible" xlink:href="#c"/></clipPath></defs><g transform="translate(4.4 -.117)"><defs><path id="a" d="m-5-1h62v62h-62z"/></defs><clipPath id="b"><use width="100%" height="100%" overflow="visible" xlink:href="#a"/></clipPath><g clip-path="url(#b)"><defs><path id="c" d="m-5-1h62v62h-62z"/></defs><clipPath id="d"><use width="100%" height="100%" overflow="visible" xlink:href="#c"/></clipPath><g style="stroke:var(--ov_logo_border_color);" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-miterlimit="10"><path transform="translate(.039092 .02257)" d="m38.361 22.877-12.4-7.3 9.2e-5 -14.177 24.8 14.2v28.8l-12.4-7.3226z" clip-path="url(#d)" fill="#4688b4"/><path transform="rotate(120,26,30.082)" d="m38.4 22.923-12.522-7.0887 0.14178-14.4 24.78 14.166v28.8l-12.522-7.0883z" clip-path="url(#d-5)" fill="#64c0ff"/><path d="m26 30v14.4l12.4-7.3v-14.2z" clip-path="url(#d)" fill="#294e67"/><path d="m13.6 37.1v-14.2l12.4-7.3v-14.177l-24.8 14.177v28.8z" clip-path="url(#d)" fill="#294e67"/><path d="m26 15.6-12.4 7.3 12.4 7.1 12.4-7.1z" clip-path="url(#d)" fill="#64c0ff"/><path d="m13.6 22.9 12.4 7.1v14.4l-12.4-7.3z" clip-path="url(#d)" fill="#4688b4"/></g></g></g></svg>
--- a/server/src/main/resources/static/website/assets/images/3dviewer_net_logo_social.png
+++ b/server/src/main/resources/static/website/assets/images/3dviewer_net_logo_social.png
--- a/server/src/main/resources/static/website/assets/images/3dviewer_net_logo_text.svg
+++ b/server/src/main/resources/static/website/assets/images/3dviewer_net_logo_text.svg
--- a/server/src/main/resources/static/website/index.html
+++ b/server/src/main/resources/static/website/index.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html> 
+    <meta name="viewport" content="width=device-width, user-scalable=no">
+    <title>Online 3D Viewer</title>
+    <link rel="stylesheet" type="text/css" href="./website/pickr.monolith.min.css">
+    <script type="text/javascript" src="website/pickr.es5.min.js"></script>
+   <meta property="og:type" content="website">
+    <meta property="og:title" content="Online 3D Viewer">
+<link rel="stylesheet" type="text/css" href="website/o3dv.website.min.css">
+<script type="text/javascript" src="website/o3dv.website.min.js"></script>
+<script type="text/javascript">
+OV.StartWebsite ('libs');
+</script>
+<body>
+    <input type="file" id="open_file" style="display:none;" multiple></input>
+    <div class="header" id="header">
+        <div class="title">
+     
+            <div class="title_right" id="header_buttons"></div>
+            <div class="main_file_name only_full_width" id="main_file_name"></div>
+        </div>
+        <div class="toolbar" id="toolbar"></div>
+    </div>
+    <div class="main" id="main">
+        <div class="main_navigator ov_panel_set_container only_full_width" id="main_navigator"></div>
+        <div class="main_splitter only_full_width" id="main_navigator_splitter"></div>
+        <div class="main_viewer" id="main_viewer"></div>
+        <div class="main_splitter only_full_width" id="main_sidebar_splitter"></div>
+        <div class="main_sidebar ov_panel_set_right_container only_full_width" id="main_sidebar"></div>
+    </div>
+    <div class="intro ov_thin_scrollbar" id="intro">
+    </div>
+</body>
+</html>
--- a/server/src/main/resources/static/website/libs/loaders/draco_decoder.js
+++ b/server/src/main/resources/static/website/libs/loaders/draco_decoder.js
@@ -0,0 +1,118 @@
+var $jscomp=$jscomp||{};$jscomp.scope={};$jscomp.arrayIteratorImpl=function(k){var n=0;return function(){return n<k.length?{done:!1,value:k[n++]}:{done:!0}}};$jscomp.arrayIterator=function(k){return{next:$jscomp.arrayIteratorImpl(k)}};$jscomp.makeIterator=function(k){var n="undefined"!=typeof Symbol&&Symbol.iterator&&k[Symbol.iterator];return n?n.call(k):$jscomp.arrayIterator(k)};$jscomp.ASSUME_ES5=!1;$jscomp.ASSUME_NO_NATIVE_MAP=!1;$jscomp.ASSUME_NO_NATIVE_SET=!1;$jscomp.SIMPLE_FROUND_POLYFILL=!1;
+$jscomp.ISOLATE_POLYFILLS=!1;$jscomp.FORCE_POLYFILL_PROMISE=!1;$jscomp.FORCE_POLYFILL_PROMISE_WHEN_NO_UNHANDLED_REJECTION=!1;$jscomp.getGlobal=function(k){k=["object"==typeof globalThis&&globalThis,k,"object"==typeof window&&window,"object"==typeof self&&self,"object"==typeof global&&global];for(var n=0;n<k.length;++n){var l=k[n];if(l&&l.Math==Math)return l}throw Error("Cannot find global object");};$jscomp.global=$jscomp.getGlobal(this);
+$jscomp.defineProperty=$jscomp.ASSUME_ES5||"function"==typeof Object.defineProperties?Object.defineProperty:function(k,n,l){if(k==Array.prototype||k==Object.prototype)return k;k[n]=l.value;return k};$jscomp.IS_SYMBOL_NATIVE="function"===typeof Symbol&&"symbol"===typeof Symbol("x");$jscomp.TRUST_ES6_POLYFILLS=!$jscomp.ISOLATE_POLYFILLS||$jscomp.IS_SYMBOL_NATIVE;$jscomp.polyfills={};$jscomp.propertyToPolyfillSymbol={};$jscomp.POLYFILL_PREFIX="$jscp$";
+var $jscomp$lookupPolyfilledValue=function(k,n){var l=$jscomp.propertyToPolyfillSymbol[n];if(null==l)return k[n];l=k[l];return void 0!==l?l:k[n]};$jscomp.polyfill=function(k,n,l,p){n&&($jscomp.ISOLATE_POLYFILLS?$jscomp.polyfillIsolated(k,n,l,p):$jscomp.polyfillUnisolated(k,n,l,p))};
+$jscomp.polyfillUnisolated=function(k,n,l,p){l=$jscomp.global;k=k.split(".");for(p=0;p<k.length-1;p++){var h=k[p];if(!(h in l))return;l=l[h]}k=k[k.length-1];p=l[k];n=n(p);n!=p&&null!=n&&$jscomp.defineProperty(l,k,{configurable:!0,writable:!0,value:n})};
+$jscomp.polyfillIsolated=function(k,n,l,p){var h=k.split(".");k=1===h.length;p=h[0];p=!k&&p in $jscomp.polyfills?$jscomp.polyfills:$jscomp.global;for(var A=0;A<h.length-1;A++){var f=h[A];if(!(f in p))return;p=p[f]}h=h[h.length-1];l=$jscomp.IS_SYMBOL_NATIVE&&"es6"===l?p[h]:null;n=n(l);null!=n&&(k?$jscomp.defineProperty($jscomp.polyfills,h,{configurable:!0,writable:!0,value:n}):n!==l&&(void 0===$jscomp.propertyToPolyfillSymbol[h]&&(l=1E9*Math.random()>>>0,$jscomp.propertyToPolyfillSymbol[h]=$jscomp.IS_SYMBOL_NATIVE?
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+$jscomp.polyfill("Promise",function(k){function n(){this.batch_=null}function l(f){return f instanceof h?f:new h(function(q,v){q(f)})}if(k&&(!($jscomp.FORCE_POLYFILL_PROMISE||$jscomp.FORCE_POLYFILL_PROMISE_WHEN_NO_UNHANDLED_REJECTION&&"undefined"===typeof $jscomp.global.PromiseRejectionEvent)||!$jscomp.global.Promise||-1===$jscomp.global.Promise.toString().indexOf("[native code]")))return k;n.prototype.asyncExecute=function(f){if(null==this.batch_){this.batch_=[];var q=this;this.asyncExecuteFunction(function(){q.executeBatch_()})}this.batch_.push(f)};
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+J.prototype.GetValue=function(b){var c=this.ptr;b&&"object"===typeof b&&(b=b.ptr);return Ub(c,b)};J.prototype.size=J.prototype.size=function(){return Vb(this.ptr)};J.prototype.__destroy__=J.prototype.__destroy__=function(){Wb(this.ptr)};K.prototype=Object.create(u.prototype);K.prototype.constructor=K;K.prototype.__class__=K;K.__cache__={};a.DracoUInt8Array=K;K.prototype.GetValue=K.prototype.GetValue=function(b){var c=this.ptr;b&&"object"===typeof b&&(b=b.ptr);return Xb(c,b)};K.prototype.size=K.prototype.size=
+function(){return Yb(this.ptr)};K.prototype.__destroy__=K.prototype.__destroy__=function(){Zb(this.ptr)};L.prototype=Object.create(u.prototype);L.prototype.constructor=L;L.prototype.__class__=L;L.__cache__={};a.DracoInt16Array=L;L.prototype.GetValue=L.prototype.GetValue=function(b){var c=this.ptr;b&&"object"===typeof b&&(b=b.ptr);return $b(c,b)};L.prototype.size=L.prototype.size=function(){return ac(this.ptr)};L.prototype.__destroy__=L.prototype.__destroy__=function(){bc(this.ptr)};M.prototype=Object.create(u.prototype);
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+O.prototype.__destroy__=O.prototype.__destroy__=function(){kc(this.ptr)};y.prototype=Object.create(u.prototype);y.prototype.constructor=y;y.prototype.__class__=y;y.__cache__={};a.MetadataQuerier=y;y.prototype.HasEntry=y.prototype.HasEntry=function(b,c){var d=this.ptr;r.prepare();b&&"object"===typeof b&&(b=b.ptr);c=c&&"object"===typeof c?c.ptr:aa(c);return!!lc(d,b,c)};y.prototype.GetIntEntry=y.prototype.GetIntEntry=function(b,c){var d=this.ptr;r.prepare();b&&"object"===typeof b&&(b=b.ptr);c=c&&"object"===
+typeof c?c.ptr:aa(c);return mc(d,b,c)};y.prototype.GetIntEntryArray=y.prototype.GetIntEntryArray=function(b,c,d){var g=this.ptr;r.prepare();b&&"object"===typeof b&&(b=b.ptr);c=c&&"object"===typeof c?c.ptr:aa(c);d&&"object"===typeof d&&(d=d.ptr);nc(g,b,c,d)};y.prototype.GetDoubleEntry=y.prototype.GetDoubleEntry=function(b,c){var d=this.ptr;r.prepare();b&&"object"===typeof b&&(b=b.ptr);c=c&&"object"===typeof c?c.ptr:aa(c);return oc(d,b,c)};y.prototype.GetStringEntry=y.prototype.GetStringEntry=function(b,
+c){var d=this.ptr;r.prepare();b&&"object"===typeof b&&(b=b.ptr);c=c&&"object"===typeof c?c.ptr:aa(c);return h(pc(d,b,c))};y.prototype.NumEntries=y.prototype.NumEntries=function(b){var c=this.ptr;b&&"object"===typeof b&&(b=b.ptr);return qc(c,b)};y.prototype.GetEntryName=y.prototype.GetEntryName=function(b,c){var d=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);return h(rc(d,b,c))};y.prototype.__destroy__=y.prototype.__destroy__=function(){sc(this.ptr)};m.prototype=Object.create(u.prototype);
+m.prototype.constructor=m;m.prototype.__class__=m;m.__cache__={};a.Decoder=m;m.prototype.DecodeArrayToPointCloud=m.prototype.DecodeArrayToPointCloud=function(b,c,d){var g=this.ptr;r.prepare();"object"==typeof b&&(b=sa(b));c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return D(tc(g,b,c,d),B)};m.prototype.DecodeArrayToMesh=m.prototype.DecodeArrayToMesh=function(b,c,d){var g=this.ptr;r.prepare();"object"==typeof b&&(b=sa(b));c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&
+(d=d.ptr);return D(uc(g,b,c,d),B)};m.prototype.GetAttributeId=m.prototype.GetAttributeId=function(b,c){var d=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);return vc(d,b,c)};m.prototype.GetAttributeIdByName=m.prototype.GetAttributeIdByName=function(b,c){var d=this.ptr;r.prepare();b&&"object"===typeof b&&(b=b.ptr);c=c&&"object"===typeof c?c.ptr:aa(c);return wc(d,b,c)};m.prototype.GetAttributeIdByMetadataEntry=m.prototype.GetAttributeIdByMetadataEntry=function(b,c,d){var g=
+this.ptr;r.prepare();b&&"object"===typeof b&&(b=b.ptr);c=c&&"object"===typeof c?c.ptr:aa(c);d=d&&"object"===typeof d?d.ptr:aa(d);return xc(g,b,c,d)};m.prototype.GetAttribute=m.prototype.GetAttribute=function(b,c){var d=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);return D(yc(d,b,c),w)};m.prototype.GetAttributeByUniqueId=m.prototype.GetAttributeByUniqueId=function(b,c){var d=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);return D(zc(d,b,
+c),w)};m.prototype.GetMetadata=m.prototype.GetMetadata=function(b){var c=this.ptr;b&&"object"===typeof b&&(b=b.ptr);return D(Ac(c,b),T)};m.prototype.GetAttributeMetadata=m.prototype.GetAttributeMetadata=function(b,c){var d=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);return D(Bc(d,b,c),T)};m.prototype.GetFaceFromMesh=m.prototype.GetFaceFromMesh=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&
+(d=d.ptr);return!!Cc(g,b,c,d)};m.prototype.GetTriangleStripsFromMesh=m.prototype.GetTriangleStripsFromMesh=function(b,c){var d=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);return Dc(d,b,c)};m.prototype.GetTrianglesUInt16Array=m.prototype.GetTrianglesUInt16Array=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Ec(g,b,c,d)};m.prototype.GetTrianglesUInt32Array=m.prototype.GetTrianglesUInt32Array=
+function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Fc(g,b,c,d)};m.prototype.GetAttributeFloat=m.prototype.GetAttributeFloat=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Gc(g,b,c,d)};m.prototype.GetAttributeFloatForAllPoints=m.prototype.GetAttributeFloatForAllPoints=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&
+(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Hc(g,b,c,d)};m.prototype.GetAttributeIntForAllPoints=m.prototype.GetAttributeIntForAllPoints=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Ic(g,b,c,d)};m.prototype.GetAttributeInt8ForAllPoints=m.prototype.GetAttributeInt8ForAllPoints=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&
+(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Jc(g,b,c,d)};m.prototype.GetAttributeUInt8ForAllPoints=m.prototype.GetAttributeUInt8ForAllPoints=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Kc(g,b,c,d)};m.prototype.GetAttributeInt16ForAllPoints=m.prototype.GetAttributeInt16ForAllPoints=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&
+(d=d.ptr);return!!Lc(g,b,c,d)};m.prototype.GetAttributeUInt16ForAllPoints=m.prototype.GetAttributeUInt16ForAllPoints=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Mc(g,b,c,d)};m.prototype.GetAttributeInt32ForAllPoints=m.prototype.GetAttributeInt32ForAllPoints=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Nc(g,
+b,c,d)};m.prototype.GetAttributeUInt32ForAllPoints=m.prototype.GetAttributeUInt32ForAllPoints=function(b,c,d){var g=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Oc(g,b,c,d)};m.prototype.GetAttributeDataArrayForAllPoints=m.prototype.GetAttributeDataArrayForAllPoints=function(b,c,d,g,t){var X=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);d&&"object"===typeof d&&(d=d.ptr);g&&"object"===typeof g&&
+(g=g.ptr);t&&"object"===typeof t&&(t=t.ptr);return!!Pc(X,b,c,d,g,t)};m.prototype.SkipAttributeTransform=m.prototype.SkipAttributeTransform=function(b){var c=this.ptr;b&&"object"===typeof b&&(b=b.ptr);Qc(c,b)};m.prototype.GetEncodedGeometryType_Deprecated=m.prototype.GetEncodedGeometryType_Deprecated=function(b){var c=this.ptr;b&&"object"===typeof b&&(b=b.ptr);return Rc(c,b)};m.prototype.DecodeBufferToPointCloud=m.prototype.DecodeBufferToPointCloud=function(b,c){var d=this.ptr;b&&"object"===typeof b&&
+(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);return D(Sc(d,b,c),B)};m.prototype.DecodeBufferToMesh=m.prototype.DecodeBufferToMesh=function(b,c){var d=this.ptr;b&&"object"===typeof b&&(b=b.ptr);c&&"object"===typeof c&&(c=c.ptr);return D(Tc(d,b,c),B)};m.prototype.__destroy__=m.prototype.__destroy__=function(){Uc(this.ptr)};(function(){function b(){a.ATTRIBUTE_INVALID_TRANSFORM=Vc();a.ATTRIBUTE_NO_TRANSFORM=Wc();a.ATTRIBUTE_QUANTIZATION_TRANSFORM=Xc();a.ATTRIBUTE_OCTAHEDRON_TRANSFORM=Yc();a.INVALID=Zc();
+a.POSITION=$c();a.NORMAL=ad();a.COLOR=bd();a.TEX_COORD=cd();a.GENERIC=dd();a.INVALID_GEOMETRY_TYPE=ed();a.POINT_CLOUD=fd();a.TRIANGULAR_MESH=gd();a.DT_INVALID=hd();a.DT_INT8=id();a.DT_UINT8=jd();a.DT_INT16=kd();a.DT_UINT16=ld();a.DT_INT32=md();a.DT_UINT32=nd();a.DT_INT64=od();a.DT_UINT64=pd();a.DT_FLOAT32=qd();a.DT_FLOAT64=rd();a.DT_BOOL=sd();a.DT_TYPES_COUNT=td();a.OK=ud();a.DRACO_ERROR=vd();a.IO_ERROR=wd();a.INVALID_PARAMETER=xd();a.UNSUPPORTED_VERSION=yd();a.UNKNOWN_VERSION=zd()}Ea?b():ra.unshift(b)})();
+if("function"===typeof a.onModuleParsed)a.onModuleParsed();a.Decoder.prototype.GetEncodedGeometryType=function(b){if(b.__class__&&b.__class__===a.DecoderBuffer)return a.Decoder.prototype.GetEncodedGeometryType_Deprecated(b);if(8>b.byteLength)return a.INVALID_GEOMETRY_TYPE;switch(b[7]){case 0:return a.POINT_CLOUD;case 1:return a.TRIANGULAR_MESH;default:return a.INVALID_GEOMETRY_TYPE}};return n.ready}}();
+"object"===typeof exports&&"object"===typeof module?module.exports=DracoDecoderModule:"function"===typeof define&&define.amd?define([],function(){return DracoDecoderModule}):"object"===typeof exports&&(exports.DracoDecoderModule=DracoDecoderModule);
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