SpringMVC HelloWorld(1)

原创

fwhezfwhez 2022-11-22 11:49:24 博主文章分类：java编程 ©著作权

文章标签 spring xml java 文章分类 虚拟化云计算

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1.建立WEB工程testSpringMVC

需求包:

spring-framework-3.2.15.RELEASE所有xxxrelease.jar

jstl,standard.jar

commons-logging.jar

2.hello.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>Hello World</title>  
</head>  
<body>  
${message}  
</body>  
</html>

3.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">
  <display-name></display-name>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>


  <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>

4.在WEB-INF下建立dispatcher-servlet.xml(和webxml里的servlet-name对应)

<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" xmlns:p="http://www.springframework.org/schema/p"  
    xsi:schemaLocation="    
        http://www.springframework.org/schema/mvc   
        http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd  
        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">  
 
    <!-- HandlerMapping -->
<bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
 
<!-- HandlerAdapter -->
<bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"/>
  
  <!-- ViewResolver -->  
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
    <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>  
    <property name="prefix" value="/WEB-INF/"/>  
    <property name="suffix" value=".jsp"/>  
</bean>  
  
  <bean name="/hello" class="com.ft.HelloWorld"/> 
</beans>

5.HelloWorld.java

package com.ft;


import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;


public class HelloWorld implements Controller {


  @Override
  public ModelAndView handleRequest(HttpServletRequest arg0,
      HttpServletResponse arg1) throws Exception {
    ModelAndView mv = new ModelAndView();
    mv.addObject("message","Helloworld");
    mv.setViewName("hello");
    return mv;
  }


}