Java实现Zip压缩文件

Java实现Zip压缩文件

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package cn.com.highset.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;

/**
* zip下载工具类
*
* @Title:
* @Description:
* @author: Jiabin.Zhao
* @CreationTime: 2017年8月24日 下午5:21:10
*/
public class ZipUtils {
private ZipUtils() {
}

public static void doCompress(String srcFile, String zipFile) throws Exception {
doCompress(new File(srcFile), new File(zipFile));
}

/**
* 文件压缩
*
* @param srcFile
* 目录或者单个文件
* @param zipFile
* 压缩后的ZIP文件
* @throws Exception
*/
public static void doCompress(File srcFile, File zipFile) throws Exception {
ZipOutputStream out = null;
try {
out = new ZipOutputStream(new FileOutputStream(zipFile));
doCompress(srcFile, out);
} catch (Exception e) {
throw e;
} finally {
out.close();// 记得关闭资源
}
}

public static void doCompress(String filelName, ZipOutputStream out) throws IOException {
doCompress(new File(filelName), out);
}

public static void doCompress(File file, ZipOutputStream out) throws IOException {
doCompress(file, out, "");
}

public static void doCompress(File inFile, ZipOutputStream out, String dir) throws IOException {
if (inFile.isDirectory()) {
File[] files = inFile.listFiles();
if (files != null && files.length > 0) {
for (File file : files) {
String name = inFile.getName();
if (!"".equals(dir)) {
name = dir + "/" + name;
}
ZipUtils.doCompress(file, out, name);
}
}
} else {
ZipUtils.doZip(inFile, out, dir);
}
}

public static void doZip(File inFile, ZipOutputStream out, String dir) throws IOException {
String entryName = null;
if (!"".equals(dir)) {
entryName = dir + "/" + inFile.getName();
} else {
entryName = inFile.getName();
}
ZipEntry entry = new ZipEntry(entryName);
//注意此处编码设置
out.setEncoding("gbk");
out.putNextEntry(entry);
int len = 0;
byte[] buffer = new byte[1024];
FileInputStream fis = new FileInputStream(inFile);
while ((len = fis.read(buffer)) > 0) {
out.write(buffer, 0, len);
out.flush();
}
out.closeEntry();
fis.close();
}

public static void main(String[] args) throws Exception {
try {
doCompress("D:\\备份\\中轻合力", "D:/test.zip");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}

所依赖的jar: ant-1.7.0.jar

点击下载jar

-------------已经触及底线 感谢您的阅读-------------

本文标题:Java实现Zip压缩文件

文章作者:趙小傑~~

发布时间:2018年01月16日 - 00:00:00

最后更新:2019年09月16日 - 19:34:10

原始链接:https://cnsyear.com/posts/acf21fe3.html

许可协议: 署名-非商业性使用-禁止演绎 4.0 国际 转载请保留原文链接及作者。

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