open-source/file-online-preview
1
0
Fork 0
mirror of https://gitee.com/kekingcn/file-online-preview.git synced 2026-03-14 21:23:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

支持压缩包内图片轮番预览

Browse Source
This commit is contained in:
kl
2018-01-12 16:52:03 +08:00
parent 8cbb1c3bb7
commit 3e5ba7d3ba
7 changed files with 179 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
jodconverter-web/src/main/java/com/yudianbank/utils/ZipReader.java
View File

@@ -12,6 +12,7 @@ import org.apache.commons.compress.archivers.zip.ZipFile;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import java.io.*;
import java.util.*;
@@ -49,9 +50,11 @@ public class ZipReader {
* </p>
* @param filePath
*/
public String readZipFile(String filePath) {
public String readZipFile(String filePath,String fileKey) {
String archiveSeparator = "/";
Map<String, FileNode> appender = Maps.newHashMap();
List imgUrls=Lists.newArrayList();
String baseUrl= (String) RequestContextHolder.currentRequestAttributes().getAttribute("baseUrl",0);
String archiveFileName = fileUtils.getFileNameFromPath(filePath);
try {
ZipFile zipFile = new ZipFile(filePath, fileUtils.getFileEncodeUTFGBK(filePath));
@@ -73,12 +76,17 @@ public class ZipReader {
}
String parentName = getLast2FileName(fullName, archiveSeparator, archiveFileName);
parentName = (level-1) + "_" + parentName;
FileNode node = new FileNode(originName, childName, parentName, new ArrayList<>(), directory);
String type=fileUtils.typeFromUrl(childName);
if (type.equalsIgnoreCase("picture")){//添加图片文件到图片列表
imgUrls.add(baseUrl+childName);
}
FileNode node = new FileNode(originName, childName, parentName, new ArrayList<>(), directory,fileKey);
addNodes(appender, parentName, node);
appender.put(childName, node);
}
// 开启新的线程处理文件解压
executors.submit(new ZipExtractorWorker(entriesToBeExtracted, zipFile, filePath));
fileUtils.setRedisImgUrls(fileKey,imgUrls);
return new ObjectMapper().writeValueAsString(appender.get(""));
} catch (IOException e) {
e.printStackTrace();
@@ -86,6 +94,8 @@ public class ZipReader {
}
}
/**
* 排序zipEntries(对原来列表倒序)
* @param entries
@@ -99,8 +109,10 @@ public class ZipReader {
return Collections.enumeration(sortedEntries);
}
public String unRar(String filePath){
public String unRar(String filePath,String fileKey){
Map<String, FileNode> appender = Maps.newHashMap();
List imgUrls=Lists.newArrayList();
String baseUrl= (String) RequestContextHolder.currentRequestAttributes().getAttribute("baseUrl",0);
try {
Archive archive = new Archive(new File(filePath));
List<FileHeader> headers = archive.getFileHeaders();
@@ -123,11 +135,16 @@ public class ZipReader {
headersToBeExtracted.add(Collections.singletonMap(childName, header));
}
String parentName = getLast2FileName(fullName, "\\", archiveFileName);
FileNode node = new FileNode(originName, childName, parentName, new ArrayList<>(), directory);
String type=fileUtils.typeFromUrl(childName);
if (type.equalsIgnoreCase("picture")){//添加图片文件到图片列表
imgUrls.add(baseUrl+childName);
}
FileNode node = new FileNode(originName, childName, parentName, new ArrayList<>(), directory,fileKey);
addNodes(appender, parentName, node);
appender.put(childName, node);
}
executors.submit(new RarExtractorWorker(headersToBeExtracted, archive, filePath));
fileUtils.setRedisImgUrls(fileKey,imgUrls);
return new ObjectMapper().writeValueAsString(appender.get(""));
} catch (RarException e) {
e.printStackTrace();
@@ -213,9 +230,12 @@ public class ZipReader {
private String fileName;
private String parentFileName;
private boolean directory;
private String fileKey;//用于图片预览时寻址
private List<FileNode> childList;
public FileNode() {
}
public FileNode(String originName, String fileName, String parentFileName, List<FileNode> childList, boolean directory) {
this.originName = originName;
this.fileName = fileName;
@@ -223,6 +243,21 @@ public class ZipReader {
this.childList = childList;
this.directory = directory;
}
public FileNode(String originName, String fileName, String parentFileName, List<FileNode> childList, boolean directory,String fileKey) {
this.originName = originName;
this.fileName = fileName;
this.parentFileName = parentFileName;
this.childList = childList;
this.directory = directory;
this.fileKey=fileKey;
}
public String getFileKey() {
return fileKey;
}
public void setFileKey(String fileKey) {
this.fileKey = fileKey;
}
public String getFileName() {
return fileName;