Spring MVC 注解-让Spring跑起来

Spring MVC 注解-让Spring跑起来

 (1) 导入包，包结构如下图所示：

        (2) 配置web.xml，如下所示：

1. <?xml version="1.0" encoding="UTF-8"?>  
2. <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
3.     xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  
4.     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  
5.     id="WebApp_ID" version="2.5">  
6.     <display-name>spring_test</display-name>  
7.   
8.     <!-- 配置文件位置，默认为/WEB-INF/applicationContext.xml -->  
9.     <context-param>  
10.         <param-name>contextConfigLocation</param-name>  
11.         <param-value>classpath:applicationContext.xml</param-value>  
12.     </context-param>  
13.   
14.     <!-- 字符集过滤器 -->  
15.     <filter>  
16.         <filter-name>characterEncodingFilter</filter-name>  
17.         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>  
18.         <init-param>  
19.             <param-name>encoding</param-name>  
20.             <param-value>UTF-8</param-value>  
21.         </init-param>  
22.     </filter>  
23.     <filter-mapping>  
24.         <filter-name>characterEncodingFilter</filter-name>  
25.         <url-pattern>/*</url-pattern>  
26.     </filter-mapping>  
27.       
28.     <!-- 上下文Spring监听器 -->  
29.     <listener>  
30.         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  
31.     </listener>  
32.       
33.     <!-- servlet控制跳转 -->  
34.     <servlet>  
35.         <servlet-name>spring</servlet-name>  
36.         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  
37.         <!-- 配置文件 -->  
38.         <init-param>  
39.             <param-name>contextConfigLocation</param-name>  
40.             <param-value>classpath:context-dispatcher.xml</param-value>  
41.         </init-param>  
42.     </servlet>  
43.     <servlet-mapping>  
44.         <servlet-name>spring</servlet-name>  
45.         <url-pattern>*.html</url-pattern>  
46.     </servlet-mapping>  
47.   
48.     <welcome-file-list>  
49.         <welcome-file>index.html</welcome-file>  
50.         <welcome-file>index.htm</welcome-file>  
51.         <welcome-file>index.jsp</welcome-file>  
52.         <welcome-file>default.html</welcome-file>  
53.         <welcome-file>default.htm</welcome-file>  
54.         <welcome-file>default.jsp</welcome-file>  
55.     </welcome-file-list>  
56. </web-app>  

        (3) 配置dispatcher文件src/context-dispatcher.xml

1. <?xml version="1.0" encoding="UTF-8"?>  
2. <beans default-lazy-init="true"  
3.     xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
4.     xmlns:context="http://www.springframework.org/schema/context"  
5.     xmlns:mvc="http://www.springframework.org/schema/mvc"  
6.     xsi:schemaLocation="  
7.        http://www.springframework.org/schema/beans    
8.        http://www.springframework.org/schema/beans/spring-beans-3.0.xsd   
9.        http://www.springframework.org/schema/mvc    
10.        http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd    
11.        http://www.springframework.org/schema/context   
12.        http://www.springframework.org/schema/context/spring-context-3.0.xsd">   
13.   
14.     <!-- 使用注解的包，包括子集 -->  
15.     <context:component-scan base-package="com.geloin.spring" />  
16.     <!-- 通过注解，把URL映射到Controller上，该标签默认注册DefaultAnnotationHandlerMapping和AnnotationMethodHandlerAdapter -->  
17.     <mvc:annotation-driven />  
18.     <!-- 视图解析器 -->  
19.     <bean id="viewResolver"  
20.         class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
21.         <property name="viewClass"  
22.             value="org.springframework.web.servlet.view.JstlView" />  
23.         <property name="prefix" value="/WEB-INF/pages/" />  
24.         <property name="suffix" value=".jsp"></property>  
25.     </bean>  
26. </beans>  

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