1     var name=‘测试文字‘;
 2     
 3     var t_name=encodeURIComponent(name);        
 4         t_name=window.btoa(t_name);
 5         
 6         console.log(t_name,‘base64==>‘)
 7     
 8     
 9     var p_name=window.atob(t_name);
10     
11         p_name=decodeURIComponent(p_name)
12         
13     console.log(p_name,‘还原===》‘)