springMVC约束

<beans 	xmlns="http://www.springframework.org/schema/beans"
          xmlns:context="http://www.springframework.org/schema/context"
          xmlns:mvc="http://www.springframework.org/schema/mvc"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://www.springframework.org/schema/beans
							http://www.springframework.org/schema/beans/spring-beans.xsd
							http://www.springframework.org/schema/context
							http://www.springframework.org/schema/context/spring-context.xsd
							http://www.springframework.org/schema/mvc
							http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- 注解扫描 -->
    <context:component-scan base-package="com.qf.web"/>

    <!-- 注解驱动 -->
    <mvc:annotation-driven></mvc:annotation-driven>

    <!-- 视图解析器
	     作用：1.捕获后端控制器的返回值="hello"
	          2.解析： 在返回值的前后 拼接 ==> "/hello.jsp"
	 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 前缀 -->
        <property name="prefix" value="/"></property>
        <!-- 后缀 -->
        <property name="suffix" value=".jsp"></property>
    </bean>
</beans>