urlencode urldecode

import java.net.URLDecoder; import java.net.URLEncoder; class Noname1 { public static void main(String[] args) throws java.io.UnsupportedEncodingException { String aa = "%D2%A6%D0%A2%BB%D4"; //姚孝辉 URLDecoder url = new URLDecoder(); String bb =new URLDecoder().decode(aa,"GB2312"); String cc= URLEncoder.encode(bb,"GB2312"); System.out.println("aa:"+aa); System.out.println("bb:"+bb); System.out.println("cc:"+cc); } }