SpringMvc(Base64解密)上传

@RequestMapping("/upload")

@ResponseBody

public String fileUpload(HttpServletRequest request,

HttpServletResponse response) {

BufferedReader br = null;

try {

br = new BufferedReader(new InputStreamReader(

(ServletInputStream) request.getInputStream()));

// 拿到输出流，同时重命名上传的文件

FileOutputStream os = new FileOutputStream("e:/"

+ new Date().getTime() + ".zip");

StringBuffer sb = new StringBuffer();

String line = null;

while ((line = br.readLine()) != null) {

sb.append(line);

}

System.out.println(sb.toString());

String allResult = sb.toString();

//进行解密

byte[] result = this.decodeBASE64(allResult);

os.write(result);

os.flush();

os.close();

br.close();

return "SUCCESS";

} catch (Exception e) {

e.printStackTrace();

System.out.println("上传出错");

}

return "ERROR";

}

//解密方法

//FileOutSteam写文件传byte或者int,String转byte在写文件会不成功。

public byte[] decodeBASE64(String str) throws Exception {

if (str != null) {

return new BASE64Decoder().decodeBuffer(str);

}

return null;

}