Java压缩文件和文件夹代码示例(生成zip文件) -- 风信Java论坛 -- Powered by JavaWind.Net

jastby

大小楼主 Java压缩文件和文件夹代码示例(生成zip文件) Post by : 2010-09-17 18:21:17.0

幼儿园
UID：2
主题：126
帖子：219
加为好友发送短信

运行复制保存 java代码

package test;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class Zip {
/**
* 压缩文件夹
* @param zipPath 生成的zip文件路径
* @param filePath 需要压缩的文件夹路径
* @throws Exception
*/
public void zipFolder(String zipPath, String filePath) throws Exception {
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipPath));
File f = new File(filePath);
zipFiles(out, f, "");
out.close();
}
/**
* 压缩单一个文件
* @param zipPath 生成的zip文件路径
* @param filePath 需要压缩的文件路径
* @throws Exception
*/
public void zipFile(String zipPath, String filePath) throws Exception {
File f = new File(filePath);
FileInputStream fis = new FileInputStream(f);
BufferedInputStream bis = new BufferedInputStream(fis);
byte[] buf = new byte[1024];
int len;
FileOutputStream fos = new FileOutputStream(zipPath);
BufferedOutputStream bos = new BufferedOutputStream(fos);
ZipOutputStream zos = new ZipOutputStream(bos);//压缩包
ZipEntry ze = new ZipEntry(f.getName());//这是压缩包名里的文件名
zos.putNextEntry(ze);// 写入新的ZIP文件条目并将流定位到条目数据的开始处
while ((len = bis.read(buf)) != -1) {
zos.write(buf, 0, len);
zos.flush();
}
bis.close();
zos.close();
}
/**
* 递归调用，压缩文件夹和子文件夹的所有文件
* @param out
* @param f
* @param base
* @throws Exception
*/
private void zipFiles(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++) {
zipFiles(out, fl[i], base + fl[i].getName());//递归压缩子文件夹
}
} 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();
}
}
/**
* @param args
*/
public static void main(String[] args) {
System.out.println("Zip File Begin");
Zip zip = new Zip();
String zipPath = "E:\\test.zip";
String filePath = "E:\\index.pdf";
try {
zip.zipFile(zipPath, filePath);//压缩文件
//zip.zipFolder(zipPath, filePath);//压缩文件夹
} catch (Exception ex) {
ex.printStackTrace();
}
System.out.println("Zip File Done");
}
}

jastby 精华：0 积分：0 金钱：842 金币：0 威望：0 权限：3 用户资料用户帖子	大小楼主 Java压缩文件和文件夹代码示例(生成zip文件) Post by : 2010-09-17 18:21:17.0
幼儿园 UID：2 主题：126 帖子：219 加为好友发送短信	运行复制保存 java代码 package test; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.util.zip.ZipEntry; import java.util.zip.ZipOutputStream; public class Zip { /** * 压缩文件夹 * @param zipPath 生成的zip文件路径 * @param filePath 需要压缩的文件夹路径 * @throws Exception / public void zipFolder(String zipPath, String filePath) throws Exception { ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipPath)); File f = new File(filePath); zipFiles(out, f, ""); out.close(); } /* * 压缩单一个文件 * @param zipPath 生成的zip文件路径 * @param filePath 需要压缩的文件路径 * @throws Exception / public void zipFile(String zipPath, String filePath) throws Exception { File f = new File(filePath); FileInputStream fis = new FileInputStream(f); BufferedInputStream bis = new BufferedInputStream(fis); byte[] buf = new byte[1024]; int len; FileOutputStream fos = new FileOutputStream(zipPath); BufferedOutputStream bos = new BufferedOutputStream(fos); ZipOutputStream zos = new ZipOutputStream(bos);//压缩包 ZipEntry ze = new ZipEntry(f.getName());//这是压缩包名里的文件名 zos.putNextEntry(ze);// 写入新的ZIP文件条目并将流定位到条目数据的开始处 while ((len = bis.read(buf)) != -1) { zos.write(buf, 0, len); zos.flush(); } bis.close(); zos.close(); } /* * 递归调用，压缩文件夹和子文件夹的所有文件 * @param out * @param f * @param base * @throws Exception / private void zipFiles(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++) { zipFiles(out, fl[i], base + fl[i].getName());//递归压缩子文件夹 } } 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(); } } /* * @param args */ public static void main(String[] args) { System.out.println("Zip File Begin"); Zip zip = new Zip(); String zipPath = "E:\\test.zip"; String filePath = "E:\\index.pdf"; try { zip.zipFile(zipPath, filePath);//压缩文件 //zip.zipFolder(zipPath, filePath);//压缩文件夹 } catch (Exception ex) { ex.printStackTrace(); } System.out.println("Zip File Done"); } }

唧唧精华：0 积分：0 金钱：3172 金币：0 威望：0 权限：2 用户资料用户帖子	大小 2^F Re:~ Post by : 2010-11-12 14:00:21.0
幼儿园 UID：3 主题：342 帖子：781 加为好友发送短信	，好东西，谢谢分享，mark一下！
	★★★★★★★★ 　纵里寻她千百度，蓦然回首，那人却在，灯火阑珊处！　MyBlog ：http://blog.javawind.net