欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页

java 把文件和目录文件夹压缩成 zip 格式的

程序员文章站 2022-03-27 14:21:22
...

package text;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

//=====================目录压缩=========================

public class ZipFile {

 /*
  * inputFileName 输入一个文件夹 zipFileName 输出一个压缩文件夹
  */
 public static void zip(String inputFileName) throws Exception {
  String zipFileName = "E:\\test.zip"; // 打包后文件名字
  //System.out.println(zipFileName);
  zip(zipFileName, new File(inputFileName));

 }

 private static void zip(String zipFileName, File inputFile) throws Exception {
  ZipOutputStream out = new ZipOutputStream(new FileOutputStream(
    zipFileName));
  zip(out, inputFile, "");
  //System.out.println("zip done");
  out.close();
 }

 private static void zip(ZipOutputStream out, File f, String base) throws Exception {
  if (f.isDirectory()) {
   File[] fl = f.listFiles();
   out.putNextEntry(new ZipEntry(base + "/"));
   base = base.length() == 0 ? "" : base + "/";
   for (int i = 0; i < fl.length; i++) {
    zip(out, fl[i], base + fl[i].getName());
   }
  } else {
   out.putNextEntry(new ZipEntry(base));
   FileInputStream in = new FileInputStream(f);
   int b;
   //System.out.println(base);
   while ((b = in.read()) != -1) {
    out.write(b);
   }
   in.close();
  }
 }
 
  public static void main(String [] temp){      
   try {          
    zip("E:\\ftl");//你要压缩的文件夹       
    }catch (Exception ex) {      
     ex.printStackTrace();   
    }  
    }
}

//=====================目录压缩=========================

 

//=====================文件压缩=========================
/*//把文件压缩成zip
File zipFile = new File("E:/demo.zip");
//定义输入文件流
InputStream input = new FileInputStream(file);
//定义压缩输出流 
ZipOutputStream zipOut = null;
//实例化压缩输出流,并制定压缩文件的输出路径  就是E盘下,名字叫 demo.zip
zipOut = new ZipOutputStream(new FileOutputStream(zipFile));
zipOut.putNextEntry(new ZipEntry(file.getName()));
//设置注释
zipOut.setComment("www.demo.com");
int temp = 0;
while((temp = input.read()) != -1) {
 zipOut.write(temp); 
}  
input.close();
zipOut.close();*/
//==============================================

获取【下载地址】

java 把文件和目录文件夹压缩成 zip 格式的
            
    
    博客分类: java zip javazip压缩文件