以下示例显示如何编写一个简单的基于Web的重定向应用程序,这个应用程序使用重定向将http
请求传输到另一个页面。
- 基于Spring MVC - Hello World实例章节中代码,创建创建一个名称为 PageRedirection 项目。
- 在
com.ktao.controller
包下创建一个Java类WebController
。 - 在
jsp
子文件夹下创建一个视图文件index.jsp
,final.jsp
。 - 最后一步是创建所有源和配置文件的内容并导出应用程序,如下所述。
完整的项目代码,如下所示 -
配置文件
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
dispatcher-servlet.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"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <context:component-scan base-package="com.ktao.controller"/> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"/>
<property name="suffix" value=".jsp"/>
</bean>
</beans>
控制器
WebController.java
webpackage com.ktao.controller; import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod; @Controller
public class WebController {
@RequestMapping(value = "/index",method = RequestMethod.GET)
public String index(){
return "index";
} @RequestMapping(value = "/redirect",method = RequestMethod.GET)
public String redirect(){
return "redirect:finalPage";
} @RequestMapping(value = "/finalPage",method = RequestMethod.GET)
public String finalPage(){
return "final";
} }
视图
index.jsp
<%--
Created by IntelliJ IDEA.
User: ktao
Date: 17-12-2
Time: 下午10:46
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<html>
<head>
<title>Spring MVC页面重定向</title>
</head>
<body>
<h2>Spring MVC页面重定向</h2>
<p>点击下面的按钮将结果重定向到新页面</p>
<form:form method="GET" action="redirect">
<table>
<tr>
<td><input type="submit" value="页面重定向" /></td>
</tr>
</table>
</form:form>
</body>
</html>
final.jsp
<%--
Created by IntelliJ IDEA.
User: ktao
Date: 17-12-2
Time: 下午10:46
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<html>
<head>
<title>Spring重定向页面</title>
</head>
<body>
<h2>重定向页面...</h2>
</body>
</html>