1 package com.ao.zip;  2   3 import java.io.BufferedInputStream;  4 import java.io.BufferedOutputStream;  5 import java.io.File;  6 import java.io.FileInputStream;  7 import java.io.FileNotFoundException;  8 import java.io.FileOutputStream;  9 import java.io.IOException; 10 import java.util.zip.CRC32; 11 import java.util.zip.CheckedOutputStream; 12 import java.util.zip.ZipEntry; 13 import java.util.zip.ZipOutputStream; 14  15 public class FileToZip { 16      17     private static final int BUFFER = 8192; 18      19     private File zipFile; 20      21     public FileToZip(){}; 22      23     public FileToZip(String pathName){ 24         zipFile = new File(pathName); 25         String mkdirPath = pathName.substring(0, pathName.lastIndexOf("/")); 26         File mkdir = new File(mkdirPath); 27         if(!mkdir.exists()){ 28             mkdir.mkdirs(); 29         } 30     }; 31      32     public FileToZip(String pathName, String fileName){ 33         zipFile = new File(pathName + "/" + fileName); 34         File mkdir = new File(pathName); 35         if(!mkdir.exists()){ 36             mkdir.mkdirs(); 37         } 38     }; 39      40     /** 41      * 将存放在sourceFilePath目录下的源文件，打包成fileName名称的zip文件，并存放到zipFilePath路径下 42      * @param sourceFilePath :待压缩的文件路径 43      * @param zipFilePath :压缩后存放路径 44      * @param fileName :压缩后文件的名称 45      * @return 46      */ 47     public static boolean fileToZip(String sourceFilePath,  48             String zipFilePath, String fileName){ 49         boolean flag = false; 50         File sourceFile = new File(sourceFilePath); 51         FileInputStream fis = null; 52         BufferedInputStream bis = null; 53         FileOutputStream fos = null; 54         ZipOutputStream zos = null; 55         if(!sourceFile.exists()){ 56             System.err.println("待压缩的文件目录：" + sourceFilePath + "不存在."); 57         }else{ 58             try { 59                 File zippath = new File(zipFilePath); 60                 if(!zippath.exists()){ 61                     zippath.mkdirs(); 62                 } 63                 File zipFile = new File(zipFilePath + "/" + fileName + ".zip"); 64                 if(zipFile.exists()){ 65                     System.err.println(zipFilePath + "目录下存在文件名为：" + fileName + ".zip的打包文件."); 66                     System.err.println("正在删除中..."); 67                     System.err.println(zipFilePath + "/" + fileName + ".zip"); 68                     zipFile.delete(); 69                 } 70                 File[] sourceFiles = sourceFile.listFiles(); 71                 if(sourceFiles == null || sourceFiles.length < 1){ 72                     System.err.println("待压缩的文件目录：" + sourceFilePath  + "里面不存在文件，无需压缩."); 73                 }else{ 74                     fos = new FileOutputStream(zipFile); 75                     zos = new ZipOutputStream(new BufferedOutputStream(fos)); 76                     byte[] bufs = new byte[1024*10]; 77                     for(int i = 0; i < sourceFiles.length; i++){ 78                         //创建ZIP实体，并添加进压缩包 79                         ZipEntry zipEntry = new ZipEntry(sourceFiles[i].getName()); 80                         zos.putNextEntry(zipEntry); 81                         //读取待压缩的文件并写进压缩包里 82                         fis = new FileInputStream(sourceFiles[i]); 83                         bis = new BufferedInputStream(fis, 1024*10); 84                         int read = 0; 85                         while((read = bis.read(bufs, 0, 1024*10)) != -1){ 86                             zos.write(bufs, 0, read); 87                         } 88                     } 89                     flag = true; 90                 } 91             }catch (FileNotFoundException  e) { 92                 e.printStackTrace(); 93                 throw new RuntimeException(e); 94             }catch (IOException  e) { 95                 e.printStackTrace(); 96                 throw new RuntimeException(e); 97             }finally{
   //关闭流 98                 try{ 99                     if(bis != null){100                         bis.close();101                     }102                     if(zos != null){103                         zos.close();104                     }105                 }catch(IOException e){106                     e.printStackTrace();107                     throw new RuntimeException(e);108                 }109             }110         }111         return flag;112     }113     114     public void fileToZip(String...pathName){115         ZipOutputStream out = null;116         try{117             FileOutputStream fileOutputStream = new FileOutputStream(zipFile);118             CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream, new CRC32());119             out = new ZipOutputStream(cos);120             String basedir = "";121             for(int i = 0; i < pathName.length; i++){122                 fileToZip(new File(pathName[i]), out, basedir);123             }124         }catch(FileNotFoundException e){125             e.printStackTrace();126             throw new RuntimeException(e);127         }finally{128             try{129                 if(out != null){130                     out.close();131                 }132             }catch(IOException e){133                 e.printStackTrace();134                 throw new RuntimeException(e);135             }136         }137     }138     139     public void fileToZip(String srcPathName){140         File file = new File(srcPathName);    141         ZipOutputStream out = null;142         if(!file.exists()){143             throw new RuntimeException(srcPathName + "不存在！");     144         }   145         try{     146             FileOutputStream fileOutputStream = new FileOutputStream(zipFile);     147             CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,     148                     new CRC32());     149             out = new ZipOutputStream(cos);     150             String basedir = "";     151             fileToZip(file, out, basedir);     152         }catch(FileNotFoundException e) {     153             throw new RuntimeException(e);     154         }finally{155             try{156                 if(out != null){157                     out.close();158                 }159             }catch(IOException e){160                 e.printStackTrace();161                 throw new RuntimeException(e);162             }163         }     164     }165     166     private void fileToZip(File file, ZipOutputStream out, String basedir) {     167         /* 判断是目录还是文件 */    168         if (file.isDirectory()) {     169             System.out.println("压缩：" + basedir + file.getName());     170             this.fileToZipDirectory(file, out, basedir);     171         } else {     172             System.out.println("压缩：" + basedir + file.getName());     173             this.fileToZipFile(file, out, basedir);     174         }     175     }176     177     /** 压缩一个目录 */    178     private void fileToZipDirectory(File dir, ZipOutputStream out, String basedir) {     179         if (!dir.exists())     180             return;181     182         File[] files = dir.listFiles();     183         for (int i = 0; i < files.length; i++) {     184             /* 递归 */    185             fileToZip(files[i], out, basedir + dir.getName() + "/");     186         }     187     }     188     189     /** 压缩一个文件 */    190     private void fileToZipFile(File file, ZipOutputStream out, String basedir) {     191         if(!file.exists()){192             return;193         }194         try{195             BufferedInputStream bis = new BufferedInputStream(     196                     new FileInputStream(file));     197             ZipEntry entry = new ZipEntry(basedir + file.getName());     198             out.putNextEntry(entry);     199             int count;200             byte data[] = new byte[BUFFER];     201             while ((count = bis.read(data, 0, BUFFER)) != -1) {     202                 out.write(data, 0, count);     203             }204             bis.close();     205         } catch (Exception e) {206             throw new RuntimeException(e);207         }208     }209     210 //    public static void main(String[] args) {211 //        String sourceFilePath = "E:/Test/aaa.txt";212 //        String zipFilePath = "E:";213 //        String fileName = "aaa";214 //        System.err.println(fileToZip(sourceFilePath, zipFilePath, fileName));215 //        FileToZip zc = new FileToZip("E:/resource", "resource.zip");216 //        zc.fileToZip("E:/Test", "E:/临洮");217 //    }218 219 }