第一篇做测试

package xyz.iyichen.simple.test;

import java.net.URLEncoder;

public class  {

 public static void main(String[] args) throws Exception {
       String nickname = 'u200e' + "User_199";
      System.out.println(nickname);

       System.out.println(URLEncoder.encode(nickname, "UTF-8"));
    }

}