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预览逻辑重构

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This commit is contained in:
kl
2020-12-25 22:47:30 +08:00
committed by kl
parent d4b11a4056
commit c1802b2487
11 changed files with 119 additions and 50 deletions
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99
jodconverter-web/src/main/java/cn/keking/utils/FileUtils.java
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@@ -8,6 +8,7 @@ import com.google.common.collect.Lists;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import javax.servlet.http.HttpServletRequest;
import java.io.*;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
@@ -17,7 +18,6 @@ import java.util.List;
import java.util.Map;
/**
*
* @author yudian-it
* @date 2017/11/13
*/
@@ -80,10 +80,10 @@ public class FileUtils {
if (listOfficeTypes().contains(fileType.toLowerCase())) {
return FileType.office;
}
if("md".equalsIgnoreCase(fileType)){
if ("md".equalsIgnoreCase(fileType)) {
return FileType.markdown;
}
if("xml".equalsIgnoreCase(fileType)){
if ("xml".equalsIgnoreCase(fileType)) {
return FileType.xml;
}
if (Arrays.asList(simText).contains(fileType.toLowerCase())) {
@@ -100,30 +100,31 @@ public class FileUtils {
}
return FileType.other;
}
/**
* 从url中剥离出文件名
* @param url
* 格式如：http://keking.ufile.ucloud.com.cn/20171113164107_月度绩效表模板(新).xls?UCloudPublicKey=ucloudtangshd@weifenf.com14355492830001993909323&Expires=&Signature=I D1NOFtAJSPT16E6imv6JWuq0k=
*
* @param url 格式如：http://keking.ufile.ucloud.com.cn/20171113164107_月度绩效表模板(新).xls?UCloudPublicKey=ucloudtangshd@weifenf.com14355492830001993909323&Expires=&Signature=I D1NOFtAJSPT16E6imv6JWuq0k=
* @return 文件名
*/
public String getFileNameFromURL(String url) {
// 因为url的参数中可能会存在/的情况，所以直接url.lastIndexOf("/")会有问题
// 所以先从？处将url截断，然后运用url.lastIndexOf("/")获取文件名
String noQueryUrl = url.substring(0, url.contains("?") ? url.indexOf("?"): url.length());
String noQueryUrl = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
return noQueryUrl.substring(noQueryUrl.lastIndexOf("/") + 1);
}
/**
* 从路径中获取文件负
* @param path
* 类似这种：C:\Users\yudian-it\Downloads
*
* @param path 类似这种：C:\Users\yudian-it\Downloads
* @return 文件名
*/
public String getFileNameFromPath(String path) {
return path.substring(path.lastIndexOf(File.separator) + 1);
}
public List<String> listPictureTypes(){
public List<String> listPictureTypes() {
List<String> list = Lists.newArrayList();
list.add("jpg");
list.add("jpeg");
@@ -135,7 +136,7 @@ public class FileUtils {
return list;
}
public List<String> listArchiveTypes(){
public List<String> listArchiveTypes() {
List<String> list = Lists.newArrayList();
list.add("rar");
list.add("zip");
@@ -160,6 +161,7 @@ public class FileUtils {
/**
* 获取相对路径
*
* @param absolutePath 绝对路径
* @return 相对路径
*/
@@ -169,45 +171,51 @@ public class FileUtils {
/**
* 添加转换后PDF缓存
*
* @param fileName pdf文件名
* @param value 缓存相对路径
* @param value 缓存相对路径
*/
public void addConvertedFile(String fileName, String value){
public void addConvertedFile(String fileName, String value) {
cacheService.putPDFCache(fileName, value);
}
/**
* 添加转换后图片组缓存
*
* @param pdfFilePath pdf文件绝对路径
* @param num 图片张数
* @param num 图片张数
*/
public void addConvertedPdfImage(String pdfFilePath, int num){
public void addConvertedPdfImage(String pdfFilePath, int num) {
cacheService.putPdfImageCache(pdfFilePath, num);
}
/**
* 获取redis中压缩包内图片文件
*
* @param fileKey fileKey
* @return 图片文件访问url列表
*/
public List<String> getImgCache(String fileKey){
public List<String> getImgCache(String fileKey) {
return cacheService.getImgCache(fileKey);
}
/**
* 设置redis中压缩包内图片文件
*
* @param fileKey fileKey
* @param imgs 图片文件访问url列表
* @param imgs 图片文件访问url列表
*/
public void putImgCache(String fileKey,List<String> imgs){
public void putImgCache(String fileKey, List<String> imgs) {
cacheService.putImgCache(fileKey, imgs);
}
/**
* 判断文件编码格式
*
* @param path 绝对路径
* @return 编码格式
*/
public String getFileEncodeUTFGBK(String path){
public String getFileEncodeUTFGBK(String path) {
String enc = Charset.forName("GBK").name();
File file = new File(path);
InputStream in;
@@ -228,14 +236,15 @@ public class FileUtils {
/**
* 对转换后的文件进行操作(改变编码方式)
*
* @param outFilePath 文件绝对路径
*/
public void doActionConvertedFile(String outFilePath) {
StringBuilder sb = new StringBuilder();
try (InputStream inputStream = new FileInputStream(outFilePath);
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, DEFAULT_CONVERTER_CHARSET))){
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, DEFAULT_CONVERTER_CHARSET))) {
String line;
while(null != (line = reader.readLine())){
while (null != (line = reader.readLine())) {
if (line.contains("charset=gb2312")) {
line = line.replace("charset=gb2312", "charset=utf-8");
}
@@ -249,15 +258,17 @@ public class FileUtils {
e.printStackTrace();
}
// 重新写入文件
try(FileOutputStream fos = new FileOutputStream(outFilePath);
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(fos, StandardCharsets.UTF_8))) {
try (FileOutputStream fos = new FileOutputStream(outFilePath);
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(fos, StandardCharsets.UTF_8))) {
writer.write(sb.toString());
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 获取文件后缀
*
* @param url url
* @return 文件后缀
*/
@@ -273,7 +284,8 @@ public class FileUtils {
/**
* 获取url中的参数
* @param url url
*
* @param url url
* @param name 参数名
* @return 参数值
*/
@@ -285,10 +297,10 @@ public class FileUtils {
}
//每个键值为一组
String[] arrSplit = strUrlParam.split("[&]");
for(String strSplit : arrSplit) {
for (String strSplit : arrSplit) {
String[] arrSplitEqual = strSplit.split("[=]");
//解析出键值
if(arrSplitEqual.length > 1) {
if (arrSplitEqual.length > 1) {
//正确解析
mapRequest.put(arrSplitEqual[0], arrSplitEqual[1]);
} else if (!arrSplitEqual[0].equals("")) {
@@ -301,6 +313,7 @@ public class FileUtils {
/**
* 去掉url中的路径，留下请求参数部分
*
* @param strURL url地址
* @return url请求参数部分
*/
@@ -308,10 +321,10 @@ public class FileUtils {
String strAllParam = null;
strURL = strURL.trim();
String[] arrSplit = strURL.split("[?]");
if(strURL.length() > 1) {
if(arrSplit.length > 1) {
if(arrSplit[1] != null) {
strAllParam=arrSplit[1];
if (strURL.length() > 1) {
if (arrSplit.length > 1) {
if (arrSplit[1] != null) {
strAllParam = arrSplit[1];
}
}
}
@@ -320,23 +333,33 @@ public class FileUtils {
/**
* 获取文件属性
*
* @param url url
* @return 文件属性
*/
public FileAttribute getFileAttribute(String url) {
String fileName;
FileType type;
public FileAttribute getFileAttribute(String url, HttpServletRequest req) {
FileAttribute attribute = new FileAttribute();
String suffix;
String fullFileName = getUrlParameterReg(url, "fullfilename");
if (StringUtils.hasText(fullFileName)) {
fileName = fullFileName;
type = typeFromFileName(fileName);
suffix = suffixFromFileName(fileName);
attribute.setName(fullFileName);
FileType type = typeFromFileName(fullFileName);
attribute.setType(type);
suffix = suffixFromFileName(fullFileName);
} else {
fileName = getFileNameFromURL(url);
type = typeFromUrl(url);
String fileName = getFileNameFromURL(url);
FileType type = typeFromUrl(url);
attribute.setName(fileName);
attribute.setType(type);
suffix = suffixFromUrl(url);
}
return new FileAttribute(type,suffix,fileName,url);
attribute.setSuffix(suffix);
if (req != null) {
String officePreviewType = req.getParameter("officePreviewType");
attribute.setOfficePreviewType(officePreviewType);
}
return attribute;
}
}