springmvc

1. web.xml  

    <!-- 如果指明了 contextConfigLocation就不会按照默认配置文件名（上面的servlet.xml） -->
    <!-- 如果指明了 contextConfigLocation就不会按照默认配置文件名（上面的servlet.xml） -->
    <!-- 注意xml 文件 节点的顺序问题，有时候可能报错 -->
  <!-- 不使用listener监听器来加载Spring 的配置，改用DispatcherServlet来加载spring的配置，简单 -->
    <!-- for spring mvc  -->
  <servlet>
      <servlet-name>springServlet</servlet-name>
      <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/spring-mvc.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  
  <servlet-mapping>
      <servlet-name>springServlet</servlet-name>
      <url-pattern>/</url-pattern>
  </servlet-mapping>

spring -mvc.xml 

<?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:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd">

    <!-- 自动扫描且只扫描@Controller -->
    <context:component-scan base-package="com.diancai.webservice" ><!-- 多个包用逗号隔开 -->
        <!-- <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> -->
    </context:component-scan>
    <!-- 默认的注解支持 -->
    <mvc:annotation-driven/>
    
    <!-- 视图解释类 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-IF/jsp/"></property>
        <property name="suffix" value=".jsp"></property>
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property>
    </bean>
    
    <!-- 拦截器 -->
    <mvc:interceptors>
        <bean class="com.diancai.inteceptor.MyInterceptor"></bean><!-- 想当于 总拦截器，拦截handlerMapping -->
        <!-- <mvc:interceptor>只拦截匹配的url
            <mvc:mapping path="/user/*"/>
            <bean class="com.diancai.inteceptor.MyInteceptor"></bean>
        </mvc:interceptor> -->
        <!-- 第三种：如果使用了<mvc:annotation-driven />， 它会自动注册DefaultAnnotationHandlerMapping 与AnnotationMethodHandlerAdapter 这两个bean,
        所以就没有机会再给它注入interceptors属性，就无法指定拦截器。
        当然我们可以通过人工配置上面的两个Bean，不使用 <mvc:annotation-driven />，就可以 给interceptors属性 注入拦截器了。 -->
        <!-- <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">       
         <property name="interceptors">       
             <list>       
                 <bean class="com.mvc.MyInteceptor"></bean>      
             </list>       
         </property>       
        </bean> -->
    </mvc:interceptors>
    
    
    <!-- 将无法mapping到Controller的path交给default servlet handler处理,如js,css,img等静态文件 。-->
    <mvc:default-servlet-handler/>    
</beans>

package com.diancai.webservice.rest.restaurant;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import com.diancai.entity.DcRestaurant;
import com.diancai.service.dcrestaurant.DcRestaurantService;


/**
 * 饭店 controller
 * @author Administrator
 * @Controller  --- spring-context jar  @requestMapping---spring-web jar
 * spring mvc 方式
 */
@Controller
@RequestMapping(value="/restaurant")
public class RestaurantController {
    /*@Autowired
    private DcRestaurantService  dcRestaurantService;*/
    
    /**
     * 获得restaurant list
     */
    @RequestMapping(value="/restaurantList" ,method =RequestMethod.GET )
    @ResponseBody
    public List<DcRestaurant> getRestlist(){
        //List<DcRestaurant> list=dcRestaurantService.getRestaurantList();
        //return list;
        return null;
    }
    
    /**
     * 测试
     */
    @RequestMapping(value="/test" ,method =RequestMethod.GET )
    @ResponseBody
    public ModelAndView text(){
        ModelAndView model=new ModelAndView();
        model.setViewName("redirect:/index.jsp");
        return model;//返回到视图
    }
    
}