spring配置数据库
一.加載數(shù)據(jù)庫驅(qū)動(dòng)
1.利用hibernate.properties文件加載
<bean?class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:hibernate.properties</value>
</list>
</property>
</bean>
或者
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="${hibernate.connection.driver_class}" />
<property name="url" value="${hibernate.connection.url}" />
<property name="username" value="${hibernate.connection.username}" />
<property name="password" value="${hibernate.connection.password}" />
<property name="initialSize" value="${hibernate.initialSize}" />
<property name="maxActive" value="${hibernate.maxActive}" />
</bean>
hibernate.properties文件(oracle)
hibernate.connection.driver_class=oracle.jdbc.driver.OracleDriver
hibernate.connection.url=jdbc\:oracle\:thin\:@127.0.0.1\:1521/abc
hibernate.connection.username=root
hibernate.connection.password=123456
hibernate.properties文件(mysql)
hibernate.connection.driver_class=com.mysql.jdbc.Driver
hibernate.connection.url=jdbc\:mysql\://127.0.0.1\:3306/disc_shop?useUnicode\=true&characterEncoding\=utf8
hibernate.connection.username=root
hibernate.connection.password=123456
2.直接配置
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"></property>
<property name="username" value="roott"></property>
<property name="password" value="123456"></property>
<property name="url" value="jdbc:oracle:thin:@192.168.10.197:1521:abc"></property>
</bean>
?
?
二.配置sessionFactory對象
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="hibernateProperties">
<props>
<!-- 配置數(shù)據(jù)庫方言-->
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<!-- 是否在控制臺(tái)打印sql語句-->
<prop key="hibernate.show_sql">true</prop>
<!-- 是否按格式打印-->
<prop key="hibernate.format_sql">true</prop>
<!-- 數(shù)據(jù)庫操作方式-->
<prop key="hibernate.hbm2ddl.auto">update</prop>
<!-- 如果是本地事務(wù)(jdbc) -->
<prop key="hibernate.current_session_context_class">thread</prop>
</props>
</property>
?
<!-- 加載hbm.xml文件 ? ? ?方法一-->
<property name="mappingLocations">
<list>
<value>classpath:com/itany/usermgr/entity/Teacher.hbm.xml</value>
<value>classpath:com/itany/usermgr/entity/Student.hbm.xml</value>
</list>
</property>
<!--方法二 自動(dòng)掃描hbm方式配置的hibernate文件和.hbm文件 -->
<property name="mappingDirectoryLocations">
<list>
<value>classpath:com/itany/tds/pojo</value>
</list>
</property>
</bean>
轉(zhuǎn)載于:https://www.cnblogs.com/JavaTWW/p/4681220.html
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