第一个springMVC入门程序

先看下项目结构

要加载与spring相关的包

 

HelloController.java(注意是在包controller下)

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package controller;
 
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
 
 
@Controller
public class HelloController {
 
    @RequestMapping(value="/welcome",method = RequestMethod.GET)
    public String printWelcome(ModelMap model) {
 
        model.addAttribute("message", "Spring 3 MVC Hello World");
        return "hello";
 
    }
     
}

 

hello.jsp(注意是放在WEB-INF下的pages目录下) 

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<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
    <h1>Message : ${message}</h1>  
</body>
</html>

 

mvc-dispatcher-xml (注意:一般是放置在WEB-INF目录下,可以放置在src目录下) 

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<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">
  
    <context:component-scan base-package="controller" />
  
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix">
            <value>/WEB-INF/pages/</value>
        </property>
        <property name="suffix">
            <value>.jsp</value>
        </property>
    </bean>
  
</beans>

 

web.xml放置在WEB-INF 目录下)

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<web-app id="WebApp_ID" version="2.4"
    xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
    http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  
    <display-name>Spring MVC Application</display-name>
  
    <servlet>
        <servlet-name>mvc-dispatcher</servlet-name>
        <servlet-class>
                       org.springframework.web.servlet.DispatcherServlet
                </servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
  
    <servlet-mapping>
        <servlet-name>mvc-dispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
  
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/mvc-dispatcher-servlet.xml</param-value>
    </context-param>
  
    <listener>
        <listener-class>
                      org.springframework.web.context.ContextLoaderListener
                </listener-class>
    </listener>
  
</web-app>

index.jsp

============这个可以里面什么都不用写==========最后启动tomcat服务器,在url中输入 localhost:8080/spring/welcome

结果

 

posted @   Lost blog  阅读(263)  评论(0编辑  收藏  举报




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