浏览器传输乱码编解码处理

对浏览器传输数据，进行编解码处理
弱：encodeURI(url)，decodeURI(url)
强：encodeURIComponent(url)，decodeURIComponent(url)

var url = "http://baidu.com?name=中国&age=#18/\$￥@#……&*（）";

var brs = "<br>";
document.write(url + brs + brs);

document.write(encodeURI(url) + brs);
document.write(decodeURI(url) + brs);
//http://baidu.com?name=%E4%B8%AD%E5%9B%BD&age=#18/$%EF%BF%A5@#%E2%80%A6%E2%80%A6&*%EF%BC%88%EF%BC%89
//http://baidu.com?name=中国&age=#18/$￥@#……&*（）

document.write(brs);

document.write(encodeURIComponent(url) + brs);
document.write(decodeURIComponent(url) + brs);
//http%3A%2F%2Fbaidu.com%3Fname%3D%E4%B8%AD%E5%9B%BD%26age%3D%2318%2F%24%EF%BF%A5%40%23%E2%80%A6%E2%80%A6%26*%EF%BC%88%EF%BC%89
//http://baidu.com?name=中国&age=#18/$￥@#……&*（）