base64加密
<html> <head> <title>前端的base64使用方法</title> </head> <body> </body> <script> var str = "hello"; var str64 = window.btoa("hello"); console.log("字符串是:"+str); console.log("经base64编码后:"+str64); console.log("base64解码后:"+window.atob(str64)); </script> </html>