Controller配置汇总

<bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"></bean>
<bean name="/hello.do" class="com.test.controller.HelloController"></bean>

<bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
        <property name="mappings">
            <props>
            <!-- key 对应url请求名 value对应处理器的id -->
                <prop key="/hello.do">helloController</prop>
            </props>
        </property>
    </bean>
    <bean id="helloController" class="com.test.controller.HelloController"></bean>

<bean class="org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping"></bean>
    <!-- 请求为hello*.do都将被匹配 -->
    <bean id="helloController" class="com.test.controller.HelloController"></bean>

<!-- 扫描该包下的注解 -->
    <context:component-scan base-package="com.springmvcanno"/>

@Controller
public class HelloController {
    @RequestMapping("/hello")
    public ModelAndView hello(HttpServletRequest req, HttpServletResponse resp){
        ModelAndView mav = new ModelAndView();
        //封装要显示到视图中的数据
        mav.addObject("msg", "hello springmvc");
        //视图名
        mav.setViewName("hello");
        return mav;
    }
}