<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd"> <!-- applicationContext-data.xml 用于配置数据库连接优化等 --> <beans> <!-- 用于加载jdbc.properties文件 --> <bean id="placeholderConfig" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <list> <value>classpath:jdbc.properties</value> </list> </property> </bean> <!-- 定义一个数据源bean,用于连接数据库,id取名为dataSource. 使用的连接池为c3p0 --> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"> <property name="driverClass"> <value>${jdbc.driverClassName}</value> </property> <property name="jdbcUrl"> <value>${jdbc.url}</value> </property> <property name="user"> <value>${jdbc.username}</value> </property> <property name="password"> <value>${jdbc.password}</value> </property> <!-- 定义c3p0优化参数 --> <property name="initialPoolSize"> <value>${c3p0.initialPoolSize}</value> </property> <property name="minPoolSize"> <value>${c3p0.minPoolSize}</value> </property> <property name="maxPoolSize"> <value>${c3p0.maxPoolSize}</value> </property> <property name="acquireIncrement"> <value>${c3p0.acquireIncrement}</value> </property> <property name="maxIdleTime"> <value>${c3p0.maxIdleTime}</value> </property> </bean> <!-- 定义hibernate sessionFactory --> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource"> <ref bean="dataSource" /> </property> <!-- 指定hbm文件所在的目录 --> <property name="mappingDirectoryLocations"> <list> <value>classpath:/com/tuozhi/model/</value> </list> </property> <!-- 定义hibernate其他属性参数 --> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">org.hibernate.dialect.SQLServerDialect</prop> <prop key="hibernate.show_sql">true</prop> <prop key="hibernate.hbm2ddl.auto">update</prop> </props> </property> </bean> </beans>
配制jdbc连接属性文件, jdbc.properties
#jdbc\u914d\u7f6e jdbc.driverClassName=net.sourceforge.jtds.jdbc.Driver jdbc.url=jdbc:jtds:sqlserver://localhost:1433/pubs jdbc.username=sa jdbc.password=sa #\u4f18\u5316\u8bbe\u7f6ec3p0\u8fde\u63a5\u6c60\u53c2\u6570 #\u8fde\u63a5\u6c60\u521d\u59cb\u5316\u65f6\u83b7\u53d6\u7684\u94fe\u63a5\u6570 c3p0.initialPoolSize=2 #\u6700\u5c0f\u94fe\u63a5\u6570 c3p0.minPoolSize=2 #\u6700\u5927\u8fde\u63a5\u6570 c3p0.maxPoolSize=30 #\u5728\u5f53\u524d\u8fde\u63a5\u6570\u8017\u5c3d\u7684\u65f6\u5019\uff0c\u4e00\u6b21\u83b7\u53d6\u7684\u65b0\u7684\u8fde\u63a5\u6570 c3p0.acquireIncrement=5 #\u6700\u5927\u7a7a\u95f2\u7684\u65f6\u95f4\uff0c\u5355\u4f4d\u662f\u79d2\uff0c\u65e0\u7528\u7684\u94fe\u63a5\u518d\u8fc7\u65f6\u540e\u4f1a\u88ab\u56de\u6536 c3p0.maxIdleTime=20