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">
spring-MVC配置一直报错:cvc-elt.1: Cannot find the declaration of element 'beans'.
联网正常， http://www.springframework.org/schema/beans/spring-beans.xsd，浏览器可正常打开。
原因是无法从网络上读取到相应的schema文件，但实际上在浏览器中是可以访问的。
可以改成 xsi:schemaLocation="
http://www.springframework.org/schema/beans
classpath:/org/springframework/beans/factory/xml/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
从本地JAR包获取即可，无需从网上读取