springmvc简单介绍

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springmvc的核心控制器dispatcherservlet。这个需要在we.xml里面配置。dispatcherServlet里面会根据发送来的请求和调用handlerMapping，handlerMapping会根据url来

匹配controller。然后dispatcherServlet调用handlerAdapter来匹配controller中的方法。每一个dispatcherServlet都有一个xml配置文件，可以在里面配置handlerMapping和

handlerAdapter，还有别的属性。

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">
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <!-- <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener> -->
    <filter>
        <filter-name>CharactorEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharactorEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <servlet>
        <servlet-name>spring</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>WEB-INF/springmvc.xml</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>spring</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

servlet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:p="http://www.springframework.org/schema/p"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
        xmlns:util="http://www.springframework.org/schema/util"
        xsi:schemaLocation="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   
            http://www.springframework.org/schema/mvc
            http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd   
            http://www.springframework.org/schema/util
            http://www.springframework.org/schema/util/spring-util-3.0.xsd">

    <context:annotation-config />
    
    <mvc:annotation-driven/>
    
    <context:component-scan base-package="controller,serviceinterfaceImpl"></context:component-scan>
    <mvc:resources location="/imgs/" mapping="/img/**"/>
    <mvc:resources location="/js/" mapping="/js/**"/>
    
    <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
    <!-- <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"></bean>
    <bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"></bean> -->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>
    
    <!-- <bean name="/hellow" class="controller.Hellow">
            <property name="hellowService" ref="hellowService"></property>
        </bean>
        <bean id="hellowService" class="serviceinterfaceImpl.HellowImpl"></bean> -->
        
        
        <!-- interceptor -->
</beans>

如果要在sprinmvc中用ajax要在方法上加上@ResponseBody注释

springmvc简单介绍

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原文地址：http://www.cnblogs.com/monkeydai/p/4337538.html