Druid数据源配置

<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">   
    <property name="url" value="${jdbc_url}" />  
    <property name="username" value="${jdbc_user}" />  
    <property name="password" value="${jdbc_password}" />  
       
    <property name="filters" value="stat" />  
   
    <property name="maxActive" value="20" />  
    <property name="initialSize" value="1" />  
    <property name="maxWait" value="60000" />  
    <property name="minIdle" value="1" />  
   
    <property name="timeBetweenEvictionRunsMillis" value="60000" />  
    <property name="minEvictableIdleTimeMillis" value="300000" />  
   
    <property name="validationQuery" value="SELECT ‘x‘" />  
    <property name="testWhileIdle" value="true" />  
    <property name="testOnBorrow" value="false" />  
    <property name="testOnReturn" value="false" />  
       
    <property name="poolPreparedStatements" value="true" />  
    <property name="maxPoolPreparedStatementPerConnectionSize" value="50" />  
</bean>