Mysql配置和连接池配置样例。

#MySql\u6570\u636e\u5e93\u914d\u7f6e
connection.url=jdbc:mysql://127.0.0.1:3306/tagcloud_sdmobile?useUnicode=true&characterEncoding=UTF-8
connection.username=root
connection.password=123456
connection.dbType=mysql
#

#druid datasource
#https://github.com/alibaba/druid/wiki/%E9%85%8D%E7%BD%AE_DruidDataSource%E5%8F%82%E8%80%83%E9%85%8D%E7%BD%AE
druid.initialSize=10
druid.minIdle=10
druid.maxActive=50
druid.maxWait=60000
druid.timeBetweenEvictionRunsMillis=60000
druid.minEvictableIdleTimeMillis=300000
druid.validationQuery=SELECT 'x'
druid.testWhileIdle=true
druid.testOnBorrow=false
druid.testOnReturn=false
druid.poolPreparedStatements=true
druid.maxPoolPreparedStatementPerConnectionSize=20
#druid.filters=wall,stat \u8bbe\u7f6ewall\u5bfc\u81f4\u65e0\u6cd5\u521b\u5efasqlserver\u6570\u636e\u5e93\uff0c\u5c5e\u6027\u7c7b\u578b\u662f\u5b57\u7b26\u4e32\uff0c\u901a\u8fc7\u522b\u540d\u7684\u65b9\u5f0f\u914d\u7f6e\u6269\u5c55\u63d2\u4ef6\uff0c\u5e38\u7528\u7684\u63d2\u4ef6\u6709\uff1a \u76d1\u63a7\u7edf\u8ba1\u7528\u7684filter:stat\u65e5\u5fd7\u7528\u7684filter:log4j\u9632\u5fa1sql\u6ce8\u5165\u7684filter:wall
druid.filters=stat

<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> 
      <!-- 基本属性 url、user、password -->
      <property name="url" value="${jdbc_url}" />
      <property name="username" value="${jdbc_user}" />
      <property name="password" value="${jdbc_password}" />
        
      <!-- 配置初始化大小、最小、最大 -->
      <property name="initialSize" value="1" />
      <property name="minIdle" value="1" /> 
      <property name="maxActive" value="20" />
   
      <!-- 配置获取连接等待超时的时间 -->
      <property name="maxWait" value="60000" />
   
      <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
      <property name="timeBetweenEvictionRunsMillis" value="60000" />
   
      <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
      <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" />
   
      <!-- 打开PSCache，并且指定每个连接上PSCache的大小 -->
      <property name="poolPreparedStatements" value="true" />
      <property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
   
      <!-- 配置监控统计拦截的filters -->
      <property name="filters" value="stat" /> 
  </bean>