vue实现文字加密功能

<template>
 <div>
 
 </div>
</template>
 
<script>
import md5 from 'js-md5';
var Base64 = require('js-base64').Base64;
 
 export default {
 name:"appid",
 mounted(){ 
 //Base64加密 
 var str1 = Base64.encode('你好啊'); 
 document.write("我是Base64加密后的文字："+str1+"<br/>")
 
 var str3 =Base64.decode('5L2g5aW95ZWK'); 
 document.write("我是Base64解密后的文字："+str3+"<br/>")
  
 var str2 =Base64.encodeURI('吃饭了吗'); 
 document.write("我是Base64加密后的文字："+str2+"<br/>")
 
 var str4 = Base64.decode('5ZCD6aWt5LqG5ZCX'); 
 document.write("我是Base64解密后的文字："+str4+"<br/>")
 
 //md5加密
 var str5 = md5('hello world')
 document.write("我是md5加密后的文字："+str5+"<br/>")
 }
 }
</script>
 
<style scoped>
 
</style>