url=jdbc:postgresql://***.***.***.***:****/****
username=***
password=***

!-- 阿里 druid 数据库连接池 --> 
 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="${url}" /> 
  property name="username" value="${username}" /> 
  property name="password" value="${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，去掉后监控界面sql无法统计 --> 
  property name="filters" value="stat" />  
/bean> 

filter>
    filter-name>DruidWebStatFilter/filter-name>
    filter-class>com.alibaba.druid.support.http.WebStatFilter/filter-class>
    init-param>
      param-name>exclusions/param-name>
      param-value>*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*/param-value>
    /init-param>
  /filter>
  filter-mapping>
    filter-name>DruidWebStatFilter/filter-name>
    url-pattern>/*/url-pattern>
  /filter-mapping>

  servlet>
    servlet-name>DruidStatView/servlet-name>
    servlet-class>com.alibaba.druid.support.http.StatViewServlet/servlet-class>
  /servlet>
  servlet-mapping>
    servlet-name>DruidStatView/servlet-name>
    url-pattern>/druid/*/url-pattern>
  /servlet-mapping>