java解压ZIP文件

/** 
* 解压zip文件 
* @author Michael sun 
*/ 
public class UnzipFile {  
 
    /** 
     * 解压zip文件 
     *  
     * @param targetPath 
     * @param zipFilePath 
     */ 
    public void unzipFile(String targetPath, String zipFilePath) {  
 
        try {  
            File zipFile = new File(zipFilePath);  
            InputStream is = new FileInputStream(zipFile);  
            ZipInputStream zis = new ZipInputStream(is);  
            ZipEntry entry = null;  
            System.out.println("开始解压:" + zipFile.getName() + "...");  
            while ((entry = zis.getNextEntry()) != null) {  
                String zipPath = entry.getName();  
                try {  
 
                    if (entry.isDirectory()) {  
                        File zipFolder = new File(targetPath + File.separator  
                                + zipPath);  
                        if (!zipFolder.exists()) {  
                            zipFolder.mkdirs();  
                        }  
                    } else {  
                        File file = new File(targetPath + File.separator  
                                + zipPath);  
                        if (!file.exists()) {  
                            File pathDir = file.getParentFile();  
                            pathDir.mkdirs();  
                            file.createNewFile();  
                        }  
 
                        FileOutputStream fos = new FileOutputStream(file);  
                        int bread;  
                        while ((bread = zis.read()) != -1) {  
                            fos.write(bread);  
                        }  
                        fos.close();  
 
                    }  
                    System.out.println("成功解压:" + zipPath);  
 
                } catch (Exception e) {  
                    System.out.println("解压" + zipPath + "失败");  
                    continue;  
                }  
            }  
            zis.close();  
            is.close();  
            System.out.println("解压结束");  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
 
    }  
 
    /** 
     * @param args 
     */ 
    public static void main(String[] args) {  
        String targetPath = "D:\\test\\unzip";  
        String zipFile = "D:\\test\\test.zip";  
        UnzipFile unzip = new UnzipFile();  
        unzip.unzipFile(targetPath, zipFile);  
    }  
 
}