调整项目模块，jodconverter-core重命名为office-plugin。jdocnverter-web重命名为server

2026-03-14 21:23:47 +08:00 · 2020-12-26 17:30:24 +08:00
parent 0f4f1d580b
commit 41cdc227b3
4382 changed files with 2240 additions and 83394 deletions
--- a/server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java
@@ -0,0 +1,89 @@
+package cn.keking.service.impl;
+
+import cn.keking.config.ConfigConstants;
+import cn.keking.model.FileAttribute;
+import cn.keking.model.ReturnResponse;
+import cn.keking.service.FilePreview;
+import cn.keking.utils.CadUtils;
+import cn.keking.utils.DownloadUtils;
+import cn.keking.service.FilePreviewCommonService;
+import cn.keking.utils.PdfUtils;
+import cn.keking.web.filter.BaseUrlFilter;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+import org.springframework.util.StringUtils;
+
+import static cn.keking.service.impl.OfficeFilePreviewImpl.getPreviewType;
+
+/**
+ * @author chenjh
+ * @since 2019/11/21 14:28
+ */
+@Service
+public class CadFilePreviewImpl implements FilePreview {
+
+    private final FilePreviewCommonService filePreviewCommonService;
+
+    private final DownloadUtils downloadUtils;
+
+    private final CadUtils cadUtils;
+
+    private final PdfUtils pdfUtils;
+
+    public CadFilePreviewImpl(FilePreviewCommonService filePreviewCommonService,
+                              DownloadUtils downloadUtils,
+                              CadUtils cadUtils,
+                              PdfUtils pdfUtils) {
+        this.filePreviewCommonService = filePreviewCommonService;
+        this.downloadUtils = downloadUtils;
+        this.cadUtils = cadUtils;
+        this.pdfUtils = pdfUtils;
+
+    }
+
+    private static final String OFFICE_PREVIEW_TYPE_IMAGE = "image";
+    private static final String OFFICE_PREVIEW_TYPE_ALL_IMAGES = "allImages";
+    private static final String FILE_DIR = ConfigConstants.getFileDir();
+
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        // 预览Type，参数传了就取参数的，没传取系统默认
+        String officePreviewType = model.asMap().get("officePreviewType") == null ? ConfigConstants.getOfficePreviewType() : model.asMap().get("officePreviewType").toString();
+        String baseUrl = BaseUrlFilter.getBaseUrl();
+        String suffix=fileAttribute.getSuffix();
+        String fileName=fileAttribute.getName();
+        String pdfName = fileName.substring(0, fileName.lastIndexOf(".") + 1) + "pdf";
+        String outFilePath = FILE_DIR + pdfName;
+        // 判断之前是否已转换过，如果转换过，直接返回，否则执行转换
+        if (!filePreviewCommonService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
+            String filePath;
+            ReturnResponse<String> response = downloadUtils.downLoad(fileAttribute, null);
+            if (0 != response.getCode()) {
+                model.addAttribute("fileType", suffix);
+                model.addAttribute("msg", response.getMsg());
+                return "fileNotSupported";
+            }
+            filePath = response.getContent();
+            if (StringUtils.hasText(outFilePath)) {
+                boolean convertResult = cadUtils.cadToPdf(filePath, outFilePath);
+                if (!convertResult) {
+                    model.addAttribute("fileType", suffix);
+                    model.addAttribute("msg", "cad文件转换异常，请联系管理员");
+                    return "fileNotSupported";
+                }
+                if (ConfigConstants.isCacheEnabled()) {
+                    // 加入缓存
+                    filePreviewCommonService.addConvertedFile(pdfName, filePreviewCommonService.getRelativePath(outFilePath));
+                }
+            }
+        }
+        if (baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType))) {
+            return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, pdfUtils, OFFICE_PREVIEW_TYPE_IMAGE);
+        }
+        model.addAttribute("pdfUrl", pdfName);
+        return "pdf";
+    }
+
+
+}
--- a/server/src/main/java/cn/keking/service/impl/CompressFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/CompressFilePreviewImpl.java
@@ -0,0 +1,71 @@
+package cn.keking.service.impl;
+
+import cn.keking.config.ConfigConstants;
+import cn.keking.model.FileAttribute;
+import cn.keking.model.ReturnResponse;
+import cn.keking.service.FilePreview;
+import cn.keking.utils.DownloadUtils;
+import cn.keking.service.FilePreviewCommonService;
+import cn.keking.utils.ZipReader;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+import org.springframework.util.StringUtils;
+
+/**
+ * Created by kl on 2018/1/17.
+ * Content :处理压缩包文件
+ */
+@Service
+public class CompressFilePreviewImpl implements FilePreview {
+
+    private final FilePreviewCommonService filePreviewCommonService;
+
+    private final DownloadUtils downloadUtils;
+
+    private final ZipReader zipReader;
+
+    public CompressFilePreviewImpl(FilePreviewCommonService filePreviewCommonService,
+                                   DownloadUtils downloadUtils,
+                                   ZipReader zipReader) {
+        this.filePreviewCommonService = filePreviewCommonService;
+        this.downloadUtils = downloadUtils;
+        this.zipReader = zipReader;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        String fileName=fileAttribute.getName();
+        String suffix=fileAttribute.getSuffix();
+        String fileTree = null;
+        // 判断文件名是否存在(redis缓存读取)
+        if (!StringUtils.hasText(filePreviewCommonService.getConvertedFile(fileName))  || !ConfigConstants.isCacheEnabled()) {
+            ReturnResponse<String> response = downloadUtils.downLoad(fileAttribute, fileName);
+            if (0 != response.getCode()) {
+                model.addAttribute("fileType", suffix);
+                model.addAttribute("msg", response.getMsg());
+                return "fileNotSupported";
+            }
+            String filePath = response.getContent();
+            if ("zip".equalsIgnoreCase(suffix) || "jar".equalsIgnoreCase(suffix) || "gzip".equalsIgnoreCase(suffix)) {
+                fileTree = zipReader.readZipFile(filePath, fileName);
+            } else if ("rar".equalsIgnoreCase(suffix)) {
+                fileTree = zipReader.unRar(filePath, fileName);
+            } else if ("7z".equalsIgnoreCase(suffix)) {
+                fileTree = zipReader.read7zFile(filePath, fileName);
+            }
+            if (fileTree != null && !"null".equals(fileTree) && ConfigConstants.isCacheEnabled()) {
+                filePreviewCommonService.addConvertedFile(fileName, fileTree);
+            }
+        } else {
+            fileTree = filePreviewCommonService.getConvertedFile(fileName);
+        }
+        if (fileTree != null && !"null".equals(fileTree)) {
+            model.addAttribute("fileTree", fileTree);
+            return "compress";
+        } else {
+            model.addAttribute("fileType", suffix);
+            model.addAttribute("msg", "压缩文件类型不受支持，尝试在压缩的时候选择RAR4格式");
+            return "fileNotSupported";
+        }
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/MarkdownFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/MarkdownFilePreviewImpl.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;
+
+/**
+ * @author kl (http://kailing.pub)
+ * @since 2020/12/25
+ */
+@Service
+public class MarkdownFilePreviewImpl implements FilePreview {
+
+    private final SimTextFilePreviewImpl simTextFilePreview;
+
+    public MarkdownFilePreviewImpl(SimTextFilePreviewImpl simTextFilePreview) {
+        this.simTextFilePreview = simTextFilePreview;
+    }
+
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        model.addAttribute(TEXT_TYPE,"markdown");
+        return simTextFilePreview.filePreviewHandle(url, model, fileAttribute);
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/MediaFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/MediaFilePreviewImpl.java
@@ -0,0 +1,54 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.model.ReturnResponse;
+import cn.keking.service.FilePreview;
+import cn.keking.utils.DownloadUtils;
+import cn.keking.service.FilePreviewCommonService;
+import cn.keking.web.filter.BaseUrlFilter;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+/**
+ * @author : kl
+ * @authorboke : kailing.pub
+ * @create : 2018-03-25 上午11:58
+ * @description:
+ **/
+@Service
+public class MediaFilePreviewImpl implements FilePreview {
+
+    private final DownloadUtils downloadUtils;
+
+    private final FilePreviewCommonService filePreviewCommonService;
+
+    public MediaFilePreviewImpl(DownloadUtils downloadUtils,
+                                FilePreviewCommonService filePreviewCommonService) {
+        this.downloadUtils = downloadUtils;
+        this.filePreviewCommonService = filePreviewCommonService;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        // 不是http开头，浏览器不能直接访问，需下载到本地
+        if (url != null && !url.toLowerCase().startsWith("http")) {
+            ReturnResponse<String> response = downloadUtils.downLoad(fileAttribute, fileAttribute.getName());
+            if (0 != response.getCode()) {
+                model.addAttribute("fileType", fileAttribute.getSuffix());
+                model.addAttribute("msg", response.getMsg());
+                return "fileNotSupported";
+            } else {
+                model.addAttribute("mediaUrl", BaseUrlFilter.getBaseUrl() + filePreviewCommonService.getRelativePath(response.getContent()));
+            }
+        } else {
+            model.addAttribute("mediaUrl", url);
+        }
+        model.addAttribute("mediaUrl", url);
+        String suffix=fileAttribute.getSuffix();
+        if ("flv".equalsIgnoreCase(suffix)) {
+            return "flv";
+        }
+        return "media";
+    }
+
+
+}
--- a/server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
@@ -0,0 +1,95 @@
+package cn.keking.service.impl;
+
+import cn.keking.config.ConfigConstants;
+import cn.keking.model.FileAttribute;
+import cn.keking.model.ReturnResponse;
+import cn.keking.service.FilePreview;
+import cn.keking.utils.DownloadUtils;
+import cn.keking.service.FilePreviewCommonService;
+import cn.keking.service.OfficeToPdfService;
+import cn.keking.utils.PdfUtils;
+import cn.keking.web.filter.BaseUrlFilter;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+import org.springframework.util.StringUtils;
+
+import java.util.List;
+
+/**
+ * Created by kl on 2018/1/17.
+ * Content :处理office文件
+ */
+@Service
+public class OfficeFilePreviewImpl implements FilePreview {
+
+    private final FilePreviewCommonService filePreviewCommonService;
+    private final PdfUtils pdfUtils;
+    private final DownloadUtils downloadUtils;
+    private final OfficeToPdfService officeToPdfService;
+
+    public OfficeFilePreviewImpl(FilePreviewCommonService filePreviewCommonService, PdfUtils pdfUtils, DownloadUtils downloadUtils, OfficeToPdfService officeToPdfService) {
+        this.filePreviewCommonService = filePreviewCommonService;
+        this.pdfUtils = pdfUtils;
+        this.downloadUtils = downloadUtils;
+        this.officeToPdfService = officeToPdfService;
+    }
+
+    public static final String OFFICE_PREVIEW_TYPE_IMAGE = "image";
+    public static final String OFFICE_PREVIEW_TYPE_ALL_IMAGES = "allImages";
+    private static final String FILE_DIR = ConfigConstants.getFileDir();
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        // 预览Type，参数传了就取参数的，没传取系统默认
+        String officePreviewType = fileAttribute.getOfficePreviewType();
+        String baseUrl = BaseUrlFilter.getBaseUrl();
+        String suffix=fileAttribute.getSuffix();
+        String fileName=fileAttribute.getName();
+        boolean isHtml = suffix.equalsIgnoreCase("xls") || suffix.equalsIgnoreCase("xlsx");
+        String pdfName = fileName.substring(0, fileName.lastIndexOf(".") + 1) + (isHtml ? "html" : "pdf");
+        String outFilePath = FILE_DIR + pdfName;
+        // 判断之前是否已转换过，如果转换过，直接返回，否则执行转换
+        if (!filePreviewCommonService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
+            String filePath;
+            ReturnResponse<String> response = downloadUtils.downLoad(fileAttribute, null);
+            if (0 != response.getCode()) {
+                model.addAttribute("fileType", suffix);
+                model.addAttribute("msg", response.getMsg());
+                return "fileNotSupported";
+            }
+            filePath = response.getContent();
+            if (StringUtils.hasText(outFilePath)) {
+                officeToPdfService.openOfficeToPDF(filePath, outFilePath);
+                if (isHtml) {
+                    // 对转换后的文件进行操作(改变编码方式)
+                    filePreviewCommonService.doActionConvertedFile(outFilePath);
+                }
+                if (ConfigConstants.isCacheEnabled()) {
+                    // 加入缓存
+                    filePreviewCommonService.addConvertedFile(pdfName, filePreviewCommonService.getRelativePath(outFilePath));
+                }
+            }
+        }
+        if (!isHtml && baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType))) {
+            return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, pdfUtils, OFFICE_PREVIEW_TYPE_IMAGE);
+        }
+        model.addAttribute("pdfUrl", pdfName);
+        return isHtml ? "html" : "pdf";
+    }
+
+    static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, String pdfName, String outFilePath, PdfUtils pdfUtils, String officePreviewTypeImage) {
+        List<String> imageUrls = pdfUtils.pdf2jpg(outFilePath, pdfName, baseUrl);
+        if (imageUrls == null || imageUrls.size() < 1) {
+            model.addAttribute("msg", "office转图片异常，请联系管理员");
+            model.addAttribute("fileType",fileAttribute.getSuffix());
+            return "fileNotSupported";
+        }
+        model.addAttribute("imgurls", imageUrls);
+        model.addAttribute("currentUrl", imageUrls.get(0));
+        if (officePreviewTypeImage.equals(officePreviewType)) {
+            return "officePicture";
+        } else {
+            return "picture";
+        }
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/OtherFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/OtherFilePreviewImpl.java
@@ -0,0 +1,20 @@
+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 :其他文件
+ */
+@Service
+public class OtherFilePreviewImpl implements FilePreview {
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        model.addAttribute("fileType",fileAttribute.getSuffix());
+        model.addAttribute("msg", "系统还不支持该格式文件的在线预览");
+        return "fileNotSupported";
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java
@@ -0,0 +1,99 @@
+package cn.keking.service.impl;
+
+import cn.keking.config.ConfigConstants;
+import cn.keking.model.FileAttribute;
+import cn.keking.model.ReturnResponse;
+import cn.keking.service.FilePreview;
+import cn.keking.utils.DownloadUtils;
+import cn.keking.service.FilePreviewCommonService;
+import cn.keking.utils.PdfUtils;
+import cn.keking.web.filter.BaseUrlFilter;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+
+import java.util.List;
+
+/**
+ * Created by kl on 2018/1/17.
+ * Content :处理pdf文件
+ */
+@Service
+public class PdfFilePreviewImpl implements FilePreview {
+
+    private final FilePreviewCommonService filePreviewCommonService;
+
+    private final PdfUtils pdfUtils;
+
+    private final DownloadUtils downloadUtils;
+
+    private static final String FILE_DIR = ConfigConstants.getFileDir();
+
+    public PdfFilePreviewImpl(FilePreviewCommonService filePreviewCommonService,
+                              PdfUtils pdfUtils,
+                              DownloadUtils downloadUtils) {
+        this.filePreviewCommonService = filePreviewCommonService;
+        this.pdfUtils = pdfUtils;
+        this.downloadUtils = downloadUtils;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        String suffix=fileAttribute.getSuffix();
+        String fileName=fileAttribute.getName();
+        String officePreviewType = fileAttribute.getOfficePreviewType();
+        String baseUrl = BaseUrlFilter.getBaseUrl();
+        String pdfName = fileName.substring(0, fileName.lastIndexOf(".") + 1) + "pdf";
+        String outFilePath = FILE_DIR + pdfName;
+        if (OfficeFilePreviewImpl.OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OfficeFilePreviewImpl.OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType)) {
+            //当文件不存在时，就去下载
+            if (!filePreviewCommonService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
+                ReturnResponse<String> response = downloadUtils.downLoad(fileAttribute, fileName);
+                if (0 != response.getCode()) {
+                    model.addAttribute("fileType", suffix);
+                    model.addAttribute("msg", response.getMsg());
+                    return "fileNotSupported";
+                }
+                outFilePath = response.getContent();
+                if (ConfigConstants.isCacheEnabled()) {
+                    // 加入缓存
+                    filePreviewCommonService.addConvertedFile(pdfName, filePreviewCommonService.getRelativePath(outFilePath));
+                }
+            }
+            List<String> imageUrls = pdfUtils.pdf2jpg(outFilePath, pdfName, baseUrl);
+            if (imageUrls == null || imageUrls.size() < 1) {
+                model.addAttribute("msg", "pdf转图片异常，请联系管理员");
+                model.addAttribute("fileType",fileAttribute.getSuffix());
+                return "fileNotSupported";
+            }
+            model.addAttribute("imgurls", imageUrls);
+            model.addAttribute("currentUrl", imageUrls.get(0));
+            if (OfficeFilePreviewImpl.OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType)) {
+                return "officePicture";
+            } else {
+                return "picture";
+            }
+        } else {
+            // 不是http开头，浏览器不能直接访问，需下载到本地
+            if (url != null && !url.toLowerCase().startsWith("http")) {
+                if (!filePreviewCommonService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
+                    ReturnResponse<String> response = downloadUtils.downLoad(fileAttribute, pdfName);
+                    if (0 != response.getCode()) {
+                        model.addAttribute("fileType", suffix);
+                        model.addAttribute("msg", response.getMsg());
+                        return "fileNotSupported";
+                    }
+                    model.addAttribute("pdfUrl", filePreviewCommonService.getRelativePath(response.getContent()));
+                    if (ConfigConstants.isCacheEnabled()) {
+                        // 加入缓存
+                        filePreviewCommonService.addConvertedFile(pdfName, filePreviewCommonService.getRelativePath(outFilePath));
+                    }
+                } else {
+                    model.addAttribute("pdfUrl", pdfName);
+                }
+            } else {
+                model.addAttribute("pdfUrl", url);
+            }
+        }
+        return "pdf";
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java
@@ -0,0 +1,60 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.model.ReturnResponse;
+import cn.keking.service.FilePreview;
+import cn.keking.utils.DownloadUtils;
+import cn.keking.service.FilePreviewCommonService;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+import org.springframework.util.CollectionUtils;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by kl on 2018/1/17.
+ * Content :图片文件处理
+ */
+@Service
+public class PictureFilePreviewImpl implements FilePreview {
+
+    private final FilePreviewCommonService filePreviewCommonService;
+
+    private final DownloadUtils downloadUtils;
+
+    public PictureFilePreviewImpl(FilePreviewCommonService filePreviewCommonService,
+                                  DownloadUtils downloadUtils) {
+        this.filePreviewCommonService = filePreviewCommonService;
+        this.downloadUtils = downloadUtils;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        List<String> imgUrls = new ArrayList<>();
+        imgUrls.add(url);
+        String fileKey = fileAttribute.getFileKey();
+        List<String> zipImgUrls = filePreviewCommonService.getImgCache(fileKey);
+        if (!CollectionUtils.isEmpty(zipImgUrls)) {
+            imgUrls.addAll(zipImgUrls);
+        }
+        // 不是http开头，浏览器不能直接访问，需下载到本地
+        if (url != null && !url.toLowerCase().startsWith("http")) {
+            ReturnResponse<String> response = downloadUtils.downLoad(fileAttribute, null);
+            if (0 != response.getCode()) {
+                model.addAttribute("fileType", fileAttribute.getSuffix());
+                model.addAttribute("msg", response.getMsg());
+                return "fileNotSupported";
+            } else {
+                String file = filePreviewCommonService.getRelativePath(response.getContent());
+                imgUrls.clear();
+                imgUrls.add(file);
+                model.addAttribute("imgurls", imgUrls);
+                model.addAttribute("currentUrl", file);
+            }
+        } else {
+            model.addAttribute("imgurls", imgUrls);
+            model.addAttribute("currentUrl", url);
+        }
+        return "picture";
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
@@ -0,0 +1,56 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.model.FileType;
+import cn.keking.model.ReturnResponse;
+import cn.keking.service.FilePreview;
+import cn.keking.utils.DownloadUtils;
+import org.apache.commons.io.FileUtils;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+import org.springframework.util.Base64Utils;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+
+/**
+ * Created by kl on 2018/1/17.
+ * Content :处理文本文件
+ */
+@Service
+public class SimTextFilePreviewImpl implements FilePreview {
+
+    private final DownloadUtils downloadUtils;
+
+
+    public SimTextFilePreviewImpl(DownloadUtils downloadUtils) {
+        this.downloadUtils = downloadUtils;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        String fileName = fileAttribute.getName();
+        ReturnResponse<String> response = downloadUtils.downLoad(fileAttribute, fileName);
+        if (0 != response.getCode()) {
+            model.addAttribute("msg", response.getMsg());
+            model.addAttribute("fileType", fileAttribute.getSuffix());
+            return "fileNotSupported";
+        }
+        try {
+            File originFile = new File(response.getContent());
+            String xmlString = FileUtils.readFileToString(originFile, StandardCharsets.UTF_8);
+            model.addAttribute("textData", Base64Utils.encodeToString(xmlString.getBytes()));
+        } catch (IOException e) {
+            model.addAttribute("msg", e.getLocalizedMessage());
+            model.addAttribute("fileType", fileAttribute.getSuffix());
+            return "fileNotSupported";
+        }
+        if (!model.containsAttribute(TEXT_TYPE)) {
+            model.addAttribute(TEXT_TYPE, DEFAULT_TEXT_TYPE);
+        }
+        return "txt";
+    }
+
+}
--- a/server/src/main/java/cn/keking/service/impl/XmlFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/XmlFilePreviewImpl.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;
+
+/**
+ * @author kl (http://kailing.pub)
+ * @since 2020/12/25
+ */
+@Service
+public class XmlFilePreviewImpl implements FilePreview {
+
+    private final SimTextFilePreviewImpl simTextFilePreview;
+
+    public XmlFilePreviewImpl(SimTextFilePreviewImpl simTextFilePreview) {
+        this.simTextFilePreview = simTextFilePreview;
+    }
+
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        model.addAttribute(TEXT_TYPE,"xml");
+        return simTextFilePreview.filePreviewHandle(url, model, fileAttribute);
+    }
+}