spring mvc框架

web.xml

<!-- Spring配置文件连接数据库 --> 
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath*:/spring/application-context.xml</param-value>
	</context-param>

	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	<!-- Spring MVC Servlet -->
	<servlet>
		<servlet-name>webapp</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>/WEB-INF/classes/spring/webapp-servlet.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>

	<servlet-mapping>
		<servlet-name>webapp</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

 webapp-servlet.xml

<bean  
        class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">  
        <property name="messageConverters">  
            <list>  
                <bean id="stringHttpMessageConverter" class="org.springframework.http.converter.StringHttpMessageConverter">  
                    <property name="supportedMediaTypes">  
                        <list>  
                            <value>text/plain;charset=UTF-8</value>  
                        </list>  
                    </property>  
                </bean>  
            </list>  
        </property>  
    </bean>  
    <!-- Controller的探寻位置 -->  
    <context:component-scan base-package="" />   
  
    <!-- 视图配置 -->  
    <bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">  
        <property name="mediaTypes">  
            <map>  
                <entry key="html" value="text/html" />  
                <entry key="json" value="application/json" />  
            </map>  
        </property>  
        <property name="viewResolvers">  
            <list>  
                <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
                    <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />  
                    <property name="prefix" value="/WEB-INF/pages/" />  
                    <property name="suffix" value=".jsp" />  
                </bean>  
            </list>  
        </property>  
        <property name="defaultViews">  
            <list>  
                <bean  
                    class="org.springframework.web.servlet.view.json.MappingJacksonJsonView">  
                    <property name="prefixJson" value="false" />  
                </bean>  
            </list>  
        </property>  
    </bean>