diff --git a/src/applicationContext.xml b/src/applicationContext.xml
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--- /dev/null
+++ b/src/applicationContext.xml
@@ -0,0 +1,54 @@
+<?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:aop="http://www.springframework.org/schema/aop"
+    xmlns:tx="http://www.springframework.org/schema/tx" 
+    xmlns:context="http://www.springframework.org/schema/context"
+    xsi:schemaLocation="http://www.springframework.org/schema/beans 
+    http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
+    http://www.springframework.org/schema/tx 
+    http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
+    http://www.springframework.org/schema/context 
+    http://www.springframework.org/schema/context/spring-context-4.3.xsd
+    http://www.springframework.org/schema/aop 
+    http://www.springframework.org/schema/aop/spring-aop-4.3.xsd">
+    <!-- 读取db.properties -->
+    <context:property-placeholder location="classpath:db.properties"/>
+    <!-- 配置数据源 -->
+	<bean id="dataSource" 
+                           class="org.apache.commons.dbcp2.BasicDataSource">
+		<!--数据库驱动 -->
+		<property name="driverClassName" value="${jdbc.driver}" />
+		<!--连接数据库的url -->
+		<property name="url" value="${jdbc.url}" />
+		<!--连接数据库的用户名 -->
+		<property name="username" value="${jdbc.username}" />
+		<!--连接数据库的密码 -->
+		<property name="password" value="${jdbc.password}" />
+		<!--最大连接数 -->
+		<property name="maxTotal" value="${jdbc.maxTotal}" />
+		<!--最大空闲连接  -->
+		<property name="maxIdle" value="${jdbc.maxIdle}" />
+		<!--初始化连接数  -->
+		<property name="initialSize" value="${jdbc.initialSize}" />
+	</bean>
+     <!-- 事务管理器，依赖于数据源 -->
+	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
+		<property name="dataSource" ref="dataSource" />
+	</bean>	
+    <!-- 开启事务注解 -->
+	<tx:annotation-driven transaction-manager="transactionManager"/>
+    <!-- 配置MyBatis工厂SqlSessionFactory -->
+    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
+         <!--注入数据源 -->
+         <property name="dataSource" ref="dataSource" />
+         <!--指定核MyBatis心配置文件位置 -->
+          <property name="configLocation" value="classpath:mybatis-config.xml" />
+    </bean>
+    <!-- 配置mapper扫描器 -->
+	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
+		<property name="basePackage" value="com.itheima.dao"/>
+	</bean>
+    <!-- 扫描Service --> 
+    <context:component-scan base-package="com.itheima.service" />
+</beans>