java 解压文件包 获取数据方法

public static void main(String[] args)  throws Exception {

        String filePath = "E://xx//xx.zip";
        ZipFile zf = new ZipFile(filePath);
        java.util.Enumeration zipEnum = zf.entries();
        InputStream in = new BufferedInputStream(new FileInputStream(filePath));
        while(zipEnum.hasMoreElements ()){
            ZipEntry ze = (ZipEntry) zipEnum.nextElement();
            if(ze.isDirectory()){
                //为空的文件夹什么都不做
            }else{
                System.err.println("file:"+ze.getName()+"\nsize:"+ze.getSize()+"bytes\nCompressedSize:"+ze.getCompressedSize());
                if(ze.getSize()>0){
                    StringBuilder sb = new StringBuilder();

                    BufferedReader br = new BufferedReader(
                            new InputStreamReader(zf.getInputStream(ze),"utf-8"),8192*10);
                    String line;
                    while ((line = br.readLine()) != null) {

                        sb.append(line);
                    }
                    String str=sb.toString().trim();
                    str=new String(str.getBytes("utf-8"));
                    System.out.println(str);

                    System.out.println("数据:--"+sb.toString().trim());
                    br.close();
                }
            }
        }
        in.close();
    }