ant 壓縮文件夾

package com.zxl.test;


import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.CRC32;
import java.util.zip.CheckedOutputStream;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;
public class ZipTest {
static final int BUFFER = 8192;  
    private File zipFile;  
    public ZipTest(String pathName) {  
        zipFile = new File(pathName);  
    }  
 
 /**
  * 壓縮文件
  * @param srcPathName
  */
 public void compress(String srcPathName) {
  File file = new File(srcPathName);
  if (!file.exists())
   throw new RuntimeException(srcPathName + "不存在！");
  try {
   FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
   CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
     new CRC32());  //不加CRC32，一樣可以生成文件。關於數據如何校驗，請高手指點
   ZipOutputStream out = new ZipOutputStream(cos);
   out.setEncoding("gbk");  //如果不加此句，壓縮文件依然可以生成，只是在打開和解壓的時候，會顯示亂碼，但是還是會解壓出來
   String basedir = "";
   compress(file, out, basedir);
   out.close();
  } catch (Exception e) {
   throw new RuntimeException(e);
  }
 }
 
    private void compress(File file, ZipOutputStream out, String basedir) {  
        /* 判斷是目錄還是文件 */ 
        if (file.isDirectory()) {  
            this.compressDirectory(file, out, basedir);  
        } else {  
            this.compressFile(file, out, basedir);  
        }  
    }  
 
    /** 壓縮一個目錄 */ 
    private void compressDirectory(File dir, ZipOutputStream out, String basedir) {  
        if (!dir.exists())  
            return;  
 
        File[] files = dir.listFiles();  
        for (int i = 0; i < files.length; i++) {
            /* 遞歸 */ 
            compress(files[i], out, basedir + dir.getName() + "/");
        }  
 }


 /** 壓縮一個文件 */
 private void compressFile(File file, ZipOutputStream out, String basedir) {
  if (!file.exists()) {
   return;
  }
  try {
   BufferedInputStream bis = new BufferedInputStream(
     new FileInputStream(file));
   ZipEntry entry = new ZipEntry(basedir + file.getName());
   out.putNextEntry(entry);
   int count;
   byte data[] = new byte[BUFFER];
   while ((count = bis.read(data, 0, BUFFER)) != -1) {
    out.write(data, 0, count);
   }
   bis.close();
  } catch (Exception e) {
   throw new RuntimeException(e);
  }
 }


 


public static void main(String[] args) {
ZipTest zc = new ZipTest("E://文件夾.zip");
    zc.compress("E://文件夾測試");  //壓縮一個文件夾


}
}