实现解析压缩包功能

2023-10-24 10:25:37 +08:00
parent 0c6e6b1231
commit 437b672446
4 changed files with 269 additions and 2 deletions
@@ -0,0 +1,126 @@
+package com.ruoyi.wisdomarbitrate.utils;
+
+import lombok.extern.slf4j.Slf4j;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+@Slf4j
+public class UnZipFileUtils {
+
+    public static void main(String[] args) {
+        // 压缩包路径
+//        String zipPath = "F:\\testZip\\zipFile\\上传申请书证据材料.zip";
+        // 解压后存放路径
+//        String targetPath =  "F:\\testZip\\unzipFile";
+//        unZipFile(new File(zipPath),targetPath);
+
+
+//        String zipPath = "F:\\testZip\\unzipFile\\上传申请书证据材料";
+//        File dirUnzipPath = new File(zipPath);
+//        List<File> allFiles = new ArrayList<>();
+//        getFiles(dirUnzipPath,allFiles);
+//        if(allFiles!=null&&allFiles.size()>0){
+//            for (File fileIter : allFiles) {
+//                System.out.println(fileIter.getName());
+//                System.out.println(fileIter.getAbsolutePath());
+//            }
+//        }
+
+         String key = "\\";
+         String str = "F:\\testZip\\上传申请书证据材料\\证据材料\\仲裁裁决书模板.docx";
+        List<Integer> allindex = new ArrayList<>();
+        int a = str.indexOf(key);//*第一个出现的索引位置
+        allindex.add(a);
+        while (a != -1) {
+            System.out.print(a + "\t");
+            a = str.indexOf(key, a + 1);//*从这个索引往后开始第一个出现的位置
+            allindex.add(a);
+        }
+        String substr = str.substring(allindex.get(1)+1,allindex.get(2));
+        System.out.println("substr---"+substr);
+
+
+    }
+
+    public static boolean unZipFile(File aboriginalFile, String targetPath) {
+        if (!aboriginalFile.exists()) {
+            log.error("此文件不存在：",aboriginalFile.getPath());
+            return false;
+        }
+        try {
+            ZipFile srcZipFile = new ZipFile(aboriginalFile, Charset.forName("GBK"));
+            for (Enumeration enumeration = srcZipFile.entries(); enumeration.hasMoreElements(); ) {
+                ZipEntry entryZip = (ZipEntry) enumeration.nextElement();
+                //若是文件夹，就创建文件夹
+                if (entryZip.isDirectory()) {
+                    String directPath = targetPath + File.separator + entryZip.getName();
+                    File directFile = new File(directPath);
+                    boolean makeDirs = directFile.mkdirs();
+                    System.out.println("创建文件夹是否成功:" +makeDirs);
+                } else {
+                    //若是文件，就创建文件
+                    File sourceFile = new File(targetPath + File.separator + entryZip.getName());
+                    if(!sourceFile.getParentFile().exists()){
+                        boolean mDirect = sourceFile.getParentFile().mkdirs();
+                        System.out.println("创建压缩文件时，创建父文件夹是否成功:" +mDirect);
+                    }
+                    boolean newUnZipFile = sourceFile.createNewFile();
+                    if (newUnZipFile){
+                        // 将压缩文件内容写入到这个文件中
+                        try{
+                            InputStream is = srcZipFile.getInputStream(entryZip);
+                            FileOutputStream fos = new FileOutputStream(sourceFile);
+                            int len;
+                            byte[] buf = new byte[2048];
+                            while ((len = is.read(buf)) != -1) {
+                                fos.write(buf, 0, len);
+                            }
+                        } catch (Exception e){
+                            log.error("解压失败",e);
+                        }
+                    }
+                }
+            }
+            return true;
+
+        } catch (IOException e) {
+            log.error("解压失败",e);
+            return false;
+        }
+
+    }
+
+
+    public static void getFiles(File fileSource, List<File> allFiles) {
+        if (!fileSource.exists()) {
+            System.out.println("目录不存在");
+            return;
+        }
+        File[] fileArray = fileSource.listFiles();
+        if(fileArray!=null&&fileArray.length>0){
+            for (File fileIter : fileArray) {
+                if (fileIter.isDirectory()) {
+                    getFiles(fileIter,allFiles);
+                }else {
+                    allFiles.add(fileIter);
+                }
+
+            }
+
+        }
+    }
+
+
+
+
+
+}