spring配置

applicationContext.xml

<?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:p="http://www.springframework.org/schema/p"

xmlns:context="http://www.springframework.org/schema/context"

xmlns:mvc="http://www.springframework.org/schema/mvc"

xsi:schemaLocation="http://www.springframework.org/schema/beans  

                        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd  

                        http://www.springframework.org/schema/context  

                        http://www.springframework.org/schema/context/spring-context-3.1.xsd  

                        http://www.springframework.org/schema/mvc  

                        " >http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">

 

<!-- 自动扫描,即spring的注解功能,@Autowired -->

<context:component-scan base-package="com.cn.service" />

 

 

<!-- spring和MyBatis整合,不需要mybatis的配置映射文件,这里两个框架的主配置文件合二为一了,以下是mybatis的配置 -->

 

<!-- 引入JDBC配置的属性的配置文件,包括数据库、用户名、密码,即加载JDBC资源文件 -->

<bean id="propertyConfigurer"

class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

<property name="location" value="classpath:jdbc.properties" />

</bean>

<!--  配置数据源 -->

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"

destroy-method="close">

<property name="driverClassName" value="${driver}" />

<property name="url" value="${url}" />

<property name="username" value="${username}" />

<property name="password" value="${password}" />

<!-- 初始化连接大小 -->

<property name="initialSize" value="${initialSize}">

</property>

<!-- 连接池最大数量 -->

<property name="maxActive" value="${maxActive}"></property>

<!-- 连接池最大空闲 -->

<property name="maxIdle" value="${maxIdle}"></property>

<!-- 连接池最小空闲 -->

<property name="minIdle" value="${minIdle}"></property>

<!-- 获取连接最大等待时间 -->

<property name="maxWait" value="${maxWait}"></property>

</bean>

 

//配置sqlSessionFactory工厂,通过引用数据源配置和工厂Bean,创建sqlsession工厂

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

<property name="dataSource" ref="dataSource" />

 

<!--配置映射器接口,自动扫描*.xml映射文件并动创建该dao层的实现类 -->

<property name="mapperLocations" value="classpath:com/cn/dao/mapping/*.xml"></property>

</bean>

<!-- DAO接口所在包名,Spring会自动查找其下的类 -->

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

<property name="basePackage" value="com.cn.dao" />

<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>

</bean>

 

<!-- (数据库的事务管理)transaction manager, use JtaTransactionManager for global tx -->

<bean id="transactionManager"

class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

<property name="dataSource" ref="dataSource" />

</bean>

 

</beans>

posted @ 2019-05-08 12:04  m_Java学习乐园  阅读(118)  评论(0编辑  收藏  举报