代码：
报错：
Multiple annotations found at this line:
- cvc-elt.1: Cannot find the declaration of element 'beans'.
- schema_reference.4: Failed to read schema document 'http://www.springframework.org/schema/beans/spring-beans-4.1.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root
element of the document is not <xsd:schema>.
解决办法：
重点：修改版本号！！！