springMVC

本文是参考传智播客燕青老师的视频

springMVC配置文件：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-3.2.xsd 
        http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd 
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-3.2.xsd 
        http://www.springframework.org/schema/aop 
        http://www.springframework.org/schema/aop/spring-aop-3.2.xsd 
        http://www.springframework.org/schema/tx 
        http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">
        <!-- 注解扫描  可以扫描 @Controller、@Service、@component、@Repsitory  -->
        <context:component-scan base-package="com.demo.hello"/>
        <bean id="itmes" name="/itemsList.action" class="com.demo.hello.Hello"/>
        <bean id="itmes1" class="com.demo.hello.Hello1"/>
        <!-- BeanNameUrl映射器 通name去查找bean然后映射 -->
        <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
          <!-- SimpleUrl通过id去映射handler -->
         <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
            <property name="mappings">
              <props>
                <prop key="/itmestest.action">itmes</prop>
                <prop key="/itmestest1.action">itmes1</prop>
              </props>            
            </property>
         </bean>
          
         <!-- 注解映射器 --> 
         <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/>
        <!-- 适配器 -->

        <bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"/>
        
        <!-- 第二种适配器 -->
        <bean class="org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter"/>
        <!-- 使用注解适配器 -->
        <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/>
        <!-- 视图解析器 -->
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"/>
            
        
        </beans>

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"
    id="WebApp_ID" version="2.5">
    <display-name>helloSpringmvc</display-name>
    <!-- dispatcherservlet -->
    <servlet>
       <servlet-name>springmvc</servlet-name>
       <servlet-class> org.springframework.web.servlet.DispatcherServlet</servlet-class>
       <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>classpath:springmvc.xml</param-value>
       </init-param>
       <load-on-startup>1</load-on-startup>
    </servlet>
    
    <servlet-mapping>
       <servlet-name>springmvc</servlet-name>
       <url-pattern>*.action</url-pattern>
    </servlet-mapping>
    </web-app>