spring MVC 参数映射JSP页面

最新推荐文章于 2025-05-30 09:05:58 发布

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本文介绍了如何在Spring MVC中配置视图分解器，通过InternalResourceViewResolver设置视图的前缀和后缀，以便将请求映射到JSP页面。示例中展示了如何使用ParameterizableViewController来指定请求如'/success.do'和'/error.do'对应的视图名称，如'success'和'error'，这些名称会被解析为实际的JSP路径。

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<bean id="viewResolver"
  class="org.springframework.web.servlet.view.InternalResourceViewResolver">
  <property name="viewClass">
   <value>org.springframework.web.servlet.view.InternalResourceView</value>
  </property>
  
  <property name="prefix" value="/WEB-INF/jsp/" />
  
  <property name="suffix" value=".jsp" />
</bean>
<bean name="/success.do" class="org.springframework.web.servlet.mvc.ParameterizableViewController">
  <property name="viewName" value="success"/>
</bean>
<bean name="/error.do" class="org.springframework.web.servlet.mvc.ParameterizableViewController">
  <property name="viewName" value="error"/>
</bean>

web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

	<servlet>
		<servlet-name>dispatcherServlet</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>/WEB-INF/applicationContext.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>dispatcherServlet</servlet-name>
		<url-pattern>*.do</url-pattern>
	</servlet-mapping>

	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
</web-app>

applicationContext.xml:

<?xml version="1.0" encoding="UTF-8"?>
<beans
	xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
 	<!-- 定义视图分解器 -->
	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="viewClass">
			<value>org.springframework.web.servlet.view.InternalResourceView</value>
		</property>
		<!-- 设置前缀，即视图所在的路径 -->
		<property name="prefix" value="/WEB-INF/jsp/" />
		<!-- 设置后缀，即视图的扩展名 -->
		<property name="suffix" value=".jsp" />
	</bean>
	<bean name="/success.do" class="org.springframework.web.servlet.mvc.ParameterizableViewController">
		<property name="viewName" value="success"/>	
	</bean>
	<bean name="/error.do" class="org.springframework.web.servlet.mvc.ParameterizableViewController">
		<property name="viewName" value="error"/>
	</bean>
</beans>

index.jsp:

<%@page contentType="text/html" pageEncoding="GBK"%>
<html>
<head>
<title>参数映射控制器实现用户登录</title>
<meta http-equiv="Content-Type" content="text/html; charset=GBK"><style type="text/css">
<!--
body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
}
-->
</style></head>
<body><center>
<form action="doLogin.jsp">
	用户名：<input type="text" name="userName"  /><br/>
	密码：<input type="password" name="pwd"  /><br/>
	<input type="submit" value="登录" />
</form>
</center>
</body>
</html>

doLogin.jsp:

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
	request.setCharacterEncoding("GBK");
	String userName = request.getParameter("userName");
	String pwd = request.getParameter("pwd");
	if(userName.equals("mr")&&pwd.equals("123")){
		response.sendRedirect("success.do");
	}else{
		response.sendRedirect("error.do");
	}
%>