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阿里driud数据库连接池的使用
阅读量:301 次
发布时间:2019-03-03

本文共 1500 字,大约阅读时间需要 5 分钟。

添加jar包 druid-1.0.15.jar

Spring  配置加入

<!-- Druid连接池配置 -->
<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.username}" />
<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>
<!--   启用Web监控统计功能 -->
  <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>
 
访问: 项目名/druid/sql.html
  

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