Spring MVC 3.x注解方式实例源码

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首先说明一下使用的版本：

JDK：1.6   Tomcat：6.0   spring：3.2，使用到的Jar包截图：

工程结构截图：

接下来：web.xml文件配置：

1. <?xml version="1.0" encoding="UTF-8"?>
   
2. <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
   
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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4. xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
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5. http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
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6. 
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7. <servlet>
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8.   <servlet-name>SpringMVC</servlet-name>
   
9.   <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
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10.   <init-param>
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11.    <param-name>contextConfigLocation</param-name>
    
12.    <param-value>classpath:SpringMVC-servlet.xml</param-value>
    
13.   </init-param>
    
14.   <load-on-startup>1</load-on-startup>
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15. </servlet>
    
16. <servlet-mapping>
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17.   <servlet-name>SpringMVC</servlet-name>
    
18.   <url-pattern>/</url-pattern>
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19. </servlet-mapping>
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20. 
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21. <!-- 编码过滤 -->  
    
22.     <filter>  
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23.         <filter-name>encode</filter-name>  
    
24.         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>  
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25.         <init-param>  
    
26.             <param-name>encoding</param-name>  
    
27.             <param-value>UTF-8</param-value>  
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28.         </init-param>  
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29.     </filter>  
    
30.     <filter-mapping>  
    
31.         <filter-name>encode</filter-name>  
    
32.         <url-pattern>/*</url-pattern>  
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33.     </filter-mapping>
    
34. <welcome-file-list>
    
35.   <welcome-file>WEB-INF/index.jsp</welcome-file>
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36. </welcome-file-list>
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37. </web-app>

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6 P* K1 y) e8 q: O# w# O3 O" E# nlog4j.properties文件配置：

1. log4j.rootLogger=WARN,stdout
   
2. 
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3. log4j.appender.stdout=org.apache.log4j.ConsoleAppender
   
4. 
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5. log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
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6. 
   
7. log4j.appender.stdout.layout.ConversionPattern=%n%-d{yyyy-MM-dd HH:mm:ss}%n[%p]-[Thread: %t]-[%C.%M()]: %m%n

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SpringMVC-servlet.xml文件的配置：

1. <?xml version="1.0" encoding="UTF-8"?>
   
2. <beans default-lazy-init="true"
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3.        xmlns="http://www.springframework.org/schema/beans"  
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4.        xmlns:p="http://www.springframework.org/schema/p"
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5.        xmlns:tx=""      
   
6.        xmlns:aop="http://www.springframework.org/schema/aop"
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7.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
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8.        xmlns:context=
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9.        xmlns:mvc=
   
10.        xsi:schemaLocation=
    
11. "                        http://www.springframework.org/schema/context/spring-context-3.1.xsd">
    
12. 
    
13.     <!-- 注解驱动 -->
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14.     <mvc:annotation-driven />
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15.     <!-- 扫描包 -->
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16.     <context:component-scan base-package="com.project.controller" />
    
17. <!-- ViewResolver -->
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18. <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
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19.      <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
    
20.      <property name="prefix" value="/WEB-INF/jsp/"/>
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21.      <property name="suffix" value=".jsp"/>
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22. </bean>
    
23. <!-- HandlerAdapter -->
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24. <!-- <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
    
25.   <property name="mappings">
    
26.    <props>
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27.     <prop key="/index">Hello</prop>
    
28.    </props>
    
29.   </property>
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30. </bean> -->
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31. <!-- HandlerMapping -->
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32. <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
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33. <!-- HandlerMapping -->
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34. <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/>
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35. <!-- <bean name="/index" class="com.project.controller.HelloController"/> -->
    
36. <!-- <bean id="Hello" class="com.project.controller.HelloController" /> -->
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37. </beans>

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HelloController代码内容：

1. package com.project.controller;
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2. import javax.servlet.http.HttpServletRequest;
   
3. import javax.servlet.http.HttpServletResponse;
   
4. import org.springframework.stereotype.Controller;
   
5. import org.springframework.web.bind.annotation.RequestMapping;
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6. import org.springframework.web.servlet.ModelAndView;
   
7. @Controller
   
8. @RequestMapping("/hello")
   
9. public class HelloController {
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10. @RequestMapping("/index")
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11. public ModelAndView index(HttpServletRequest request,HttpServletResponse response) throws Exception {
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12.   ModelAndView modelView = new ModelAndView();
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13.   modelView.addObject("msg","Hello Index");
    
14.   modelView.setViewName("index");
    
15.   System.err.println("执行index！");
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16.   return modelView;
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17. }
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18. @RequestMapping("/show")
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19. public ModelAndView show(HttpServletRequest request,HttpServletResponse response) throws Exception {
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20.   ModelAndView modelView = new ModelAndView();
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21.   modelView.addObject("msg","Hello show");
    
22.   modelView.setViewName("index");
    
23.   System.err.println("执行show！");
    
24.   return modelView;
    
25. }
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26. }

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( x" m/ n9 _" _) {: N5 u% ^OK，运行效果如图：