android_解压Zip

package com.example.ziptocompress;
//下面是用的apache的zip文件处理包进行处理的，可以处理中文名称的文件，功能跟上面的一样。

import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Enumeration;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import android.app.Activity;
import android.os.Bundle;
/**
* 可以处理中文文件名
*/
public class MainActivity extends Activity {
private static final int buffer = 2048;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto­generated method stub
super.onCreate(savedInstanceState);
new Thread(new Runnable() {
@Override
public void run() {
System.out.println("开始");
unZip("/data/data/bb.zip");
}
}).start();
}
public static void unZip(String path) {
int count = ­1;
int index = ­1;
String savepath = "";
File file = null;
InputStream is = null;
FileOutputStream fos = null;
BufferedOutputStream bos = null;
savepath = "/data/data/";
try {
ZipFile zipFile = new ZipFile(path);
Enumeration<?> entries = zipFile.getEntries();
while (entries.hasMoreElements()) {
byte buf[] = new byte[buffer];
ZipEntry entry = (ZipEntry) entries.nextElement();
String filename = entry.getName();
index = stIndexOf("/");
if (index > ­1)
filename = filename.substring(index + 1);
filename = savepath + filename;
is = zipFile.getInputStream(entry);
//把解压的文件保存起i来
//file = new File(filename);
//file.createNewFile();
//fos = new FileOutputStream(file);
//bos = new BufferedOutputStream(fos, buffer);
//while ((count = is.read(buf)) > ­1) {
//bos.write(buf, 0, count);
//}
//输出
StringBuffer sb = new StringBuffer();
sb.append("");
try {
String str;
BufferedReader br = new BufferedReader(
new InputStreamReader(is, "GBK"));
while ((str = br.readLine()) != null) {
sb.append(str);
sb.append("\n");
}
} catch (Exception e) {
System.out.println("­­­­­­出错了­­­­­­­");
}finally{
System.out.println(sb.toString());
System.out.println("­­­­­­­­­­­­");
}
//fos.close();
is.close();
}
zipFile.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}。