<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" 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" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> <!-- 数据库配置文件设置 --> <context:property-placeholder location="classpath:db.properties"/> <!-- 数据库连接池 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${jdbc.driver}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <property name="maxActive" value="10" /> <property name="maxIdle" value="5" /> </bean> <!-- Mybatis的工厂 --> <bean id="sqlSessionfactorybean" class="org.mybatis.spring.sqlSessionfactorybean"> <property name="dataSource" ref="dataSource"/> <!-- 核心配置文件的位置 --> <property name="configLocation" value="classpath:sqlMapConfig.xml"/> </bean> <!-- Mapper动态代理开发 扫描 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!-- 基本包 --> <property name="basePackage" value="com.itheima.springmvc.dao"/> </bean> <!-- 数据库 事务的配置 注解事务 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <!-- 开启注解 --> <tx:annotation-driven transaction-manager="transactionManager"/> </beans> 原文链接：https://www.f2er.com/xml/293810.html