SpringMVC的页面跳转

最新推荐文章于 2024-10-06 21:48:51 发布

micro_hz

最新推荐文章于 2024-10-06 21:48:51 发布

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本文介绍了一个简单的Spring MVC实例，包括配置web.xml和spring-servlet.xml文件，创建welcome.jsp和show.jsp页面，以及编写FirstSpringMVC控制器实现页面跳转。

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点击页面跳转至FirstSpringMVC并跳转到另一个页面：

Spring mvc 的jar包拷贝到 WEB-INF/lib下

首先建立web.xml：

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

<!-- 这里配置springmvc的serlvet -->
    <servlet>
        <servlet-name>spring</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>


    <servlet-mapping>
        <servlet-name>spring</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <welcome-file-list>
        <welcome-file>welcome.jsp</welcome-file>
    </welcome-file-list>

</web-app>

配置好了spring的DispatcherServlet之后按照约定，需要在WEB-INF目录下建立[name] - servlet文件夹，这里我们命名为spring,也就是建立spring-serlvet。
对应配置为:

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    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-3.0.xsd  
        http://www.springframework.org/schema/context   
        http://www.springframework.org/schema/context/spring-context-3.0.xsd">
        <!-- 需要扫描并注册为bean的包 -->
        <context:component-scan base-package="micro.action"></context:component-scan>

        <!-- 视图的解析 -->
        <bean id = "viewModel" class = "org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value = "/" />
        <property name="suffix" value = ".jsp" />
        </bean>

</beans>

welcome.jsp:

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>欢迎页面</title>
</head>
<body>
<h1>欢迎你</h1>
<a href = "spring">点此请求DispatcherServlet并跳转</a>
</body>
</html>

show.jsp:

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>跳转后的页面</title>
</head>
<body>
<h1>成功进行了跳转</h1>
</body>
</html>

然后是controller的编写，FirstSpringMVC:

package micro.action;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

//注册为bean
@Controller
@RequestMapping
public class FirstSpringMVC {
    //方法请求路径
    @RequestMapping("/spring")
    public ModelAndView test()
    {
        String str = "this is a SpringMVC instance!";
        return new ModelAndView("show","str",str);
    }

}