Spring配置文件的命名空间URI

Spring配置文件介绍

<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:p="http://www.springframework.org/schema/p" 
    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-4.1.xsd 
                        http://www.springframework.org/schema/context  
                        http://www.springframework.org/schema/context/spring-context4.1.xsd  
                        http://www.springframework.org/schema/aop   
                        http://www.springframework.org/schema/aop/spring-aop-4.1.xsd
                        http://www.springframework.org/schema/tx 
                        http://www.springframework.org/schema/tx/spring-tx-4.1.xsd">

xmlns:context是启动自动扫描或注解装配时的命名空间。

xmlns:aop启用AOP功能的命名空间

xmlns:tx启用生命事务时的命名空间