问使用request.getparameter()获取不工作的西班牙字符

EN

   <%  request.setCharacterEncoding("UTF-8");
  String firstname= request.getParameter("first_name");
    %>
    <%=firstname %>

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="java.io.*,java.util.*" %>
<%@ page import="org.apache.commons.lang3.StringEscapeUtils,java.net.URLDecoder,java.net.URLEncoder"   %>

      <%  request.setCharacterEncoding("UTF-8");
String firstname = java.net.URLDecoder.decode(((String[])request.getParameterMap().get("first_name"))[0], "UTF-8");
%>


<%=firstname %>

Ramón Martínez

Ramón Martínez

CODE : request.setCharacterEncoding("UTF-8");