配置druid数据源

引用jar包：

dependency>
   <groupId>com.alibabagroupId>
   <artifactId>druidartifactId>
   <version>1.1.10version>
dependency>

id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
          destroy-method="close">
        <property name="url" value="jdbc:mysql://localhost:3306/mybatis?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT" />
        <property name="username" value="root" />
        <property name="password" value="123456" />
        <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="testWhileIdle" value="true" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />
        <property name="poolPreparedStatements" value="true" />
        <property name="maxOpenPreparedStatements" value="20" />
    

显示druid监控页面

<servlet>
    <servlet-name>DruidStatViewservlet-name>
    <servlet-class>com.alibaba.druid.support.http.StatViewServletservlet-class>

    <init-param>
      <param-name>loginUsernameparam-name>
      <param-value>druidparam-value>
    init-param>
    <init-param>
      <param-name>loginPasswordparam-name>
      <param-value>druidparam-value>
    init-param>
  servlet>
  <servlet-mapping>
    <servlet-name>DruidStatViewservlet-name>
    <url-pattern>/druid/*url-pattern>
  servlet-mapping>