<?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/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">
<mvc:annotation-driven />
<context:component-scan base-package="com.exyong" />
</beans>
注意配置中的拼写错误，我在配置的时候 <beans xmlns 漏了个s （xmln）导致一直报 “cvc-elt.1: 找不到元素 'beans' 的声明”
注意 <mvc:annotation-driven />配置的base-package 的值为放置Controller的包名，否则报 “No mapping found for HTTP request with URI“