spring最全约束文档

<?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:aop="http://www.springframework.org/schema/aop"  
xmlns:tx="http://www.springframework.org/schema/tx"  
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/aop  
http://www.springframework.org/schema/aop/spring-aop.xsd  
http://www.springframework.org/schema/tx  
http://www.springframework.org/schema/tx/spring-tx.xsd">  

</beans>