通过base64下载文件

package com.example.demo.controller;

 //需要rt.jar包

import sun.misc.BASE64Decoder;

 

import java.io.FileOutputStream;

import java.io.IOException;

 

/**

* Created by LQ on 2021/7/30.

*/

public class Base64ToWordController {

public static void main(String[] args){

try {

// StringBuffer stringBuffer = new StringBuffer();

// stringBuffer.append("0M8R4KGxGuEAAAAAAAAAAAAAAAAAAAAAOwAD*********");

// byte[] buffer = new BASE64Decoder().decodeBuffer(stringBuffer.toString());

// FileOutputStream out = new FileOutputStream("F:\\a.xls");

// out.write(buffer);

// out.close();

 

StringBuffer stringBuffer = new StringBuffer();

stringBuffer.append("QSwUGAAAAAAsACwDBAgAAAi0AAAAA******");

byte[] buffer = new BASE64Decoder().decodeBuffer(stringBuffer.toString());

FileOutputStream out = new FileOutputStream("F:\\rr.docx");

out.write(buffer);

out.close();

}

catch (IOException e){

}

}

}