//压缩文件地址
        ZipOutputStream out = new ZipOutputStream(new FileOutputStream("/doc/tyrell/test/z.zip"));

        //向压缩包里放置一个文件
        out.putNextEntry(new ZipEntry("b.txt"));
        FileInputStream fin = new FileInputStream("/doc/tyrell/test/b.txt");
        int i;
        while ((i= fin.read())!=-1){
            out.write(i);
        }
        out.closeEntry();

        fin = new FileInputStream("/doc/tyrell/test/a.xtx");
        out.putNextEntry(new ZipEntry("a.xtx"));
        while ((i=fin.read())!=-1){
            out.write(i);
        }
        out.closeEntry();

        fin.close();
        out.close();