第十二章请求参数的接收

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src/struts.xml配置：

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"    "http://struts.apache.org/dtds/struts-2.0.dtd"><struts>    <constant name="struts.enable.DynamicMethodInvocation" value="false"/>    <constant name="struts.action.extension" value="do,action"/><package name="employee" namespace="/control/employee" extends="struts-default"><action name="list_*" class="cn.itcast.action.HelloWorldAction" method="{1}">  //method="{1}"接收action通配符传来的值<result name="success">/WEB-INF/page/message.jsp</result></action></package></struts>

输入id和name发送到action，通过反射技术调用与请求参数同名属性

的setter方法获取请求参数值

WebRoot/index.jsp：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <title>My JSP 'index.jsp' starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">      </head>    <body>   <form action="<%=request.getContextPath()%>/control/employee/list_execute.action" method="post">   id:<input type="text" name="person.id"><br/>   name:<input type="text" name="person.name"><br/>   <input type="submit" value="发送"/>   </form>  </body></html>

action的处理HelloWorldAction.java：

package cn.itcast.action;import cn.itcast.bean.Person;public class HelloWorldAction {private Integer id;private String name;private Person person;public Person getPerson() {return person;}public void setPerson(Person person) {this.person = person;}public Integer getId() {return id;}public void setId(Integer id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String addUI(){return "success";}public String execute() throws Exception{return "success";}}

action处理完后，跳转到 WEB-INF/page/message.jsp：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>        <title>My JSP 'message.jsp' starting page</title>    <meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">      </head>    <body>   id=${person.id }<br/>   name=${person.name }  </body></html>

第十二章 请求参数的接收

第十二章请求参数的接收