阿里druid连接池

时间：2023-03-08 16:35:00

1.加入jar包, 下载地址:druid-1.1.0.zip

2.ApplicationContext.xml

    <!-- druid阿里云连接池 -->

    <bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

    	<property name="dataSource" ref="dataSource"></property>

    </bean>

    <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

    	<property name="locations" value="classpath:druidDB.properties"></property>

    </bean>

3.ApplicationContext.xml配置druid

<!-- 阿里 druid 数据库连接池 -->

  <bean id = "dataSource" class = "com.alibaba.druid.pool.DruidDataSource" destroy-method = "close">

       <!-- 数据库基本信息配置 -->

       <property name = "url" value = "${url}"/>

       <property name = "username" value = "${username}"/>

       <property name = "password" value = "${password}"/>

       <property name = "driverClassName" value = "${driverClassName}"/>

       <property name = "filters" value = "${filters}"/>

        <!-- 最大并发连接数 -->

       <property name = "maxActive" value = "${maxActive}"/>

       <!-- 初始化连接数量 -->

       <property name = "initialSize" value = "${initialSize}"/>

       <!-- 配置获取连接等待超时的时间 -->

       <property name = "maxWait" value = "${maxWait}"/>

       <!-- 最小空闲连接数 -->

       <property name = "minIdle" value = "${minIdle}"/>

       <!-- 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 ="${timeBetweenEvictionRunsMillis}"/>

       <!-- 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 ="${minEvictableIdleTimeMillis}"/>

       <property name = "validationQuery" value = "${validationQuery}"/>

       <property name = "testWhileIdle" value = "${testWhileIdle}"/>

       <property name = "testOnBorrow" value = "${testOnBorrow}"/>

       <property name = "testOnReturn" value = "${testOnReturn}"/>

       <property name = "maxOpenPreparedStatements" value ="${maxOpenPreparedStatements}"/>

       <!-- 打开 removeAbandoned 功能 -->

       <property name = "removeAbandoned" value = "${removeAbandoned}"/>

       <!-- 1800 秒，也就是 30 分钟 -->

       <property name = "removeAbandonedTimeout" value ="${removeAbandonedTimeout}"/>

       <!-- 关闭 abanded 连接时输出错误日志 -->

       <property name = "logAbandoned" value = "${logAbandoned}"/>

  </bean >

4.druidDB.properties

url=jdbc:mysql://localhost:3306/blogdb?useUnicode=true&characterEncoding=utf-8

driverClassName=com.mysql.jdbc.Driver

username=Shinelon

password=lizhenghua

filters=stat

maxActive=20

initialSize=1

maxWait=60000

minIdle=10

maxIdle=15

timeBetweenEvictionRunsMillis=60000

minEvictableIdleTimeMillis=300000

validationQuery=SELECT'x'

testWhileIdle=true

testOnBorrow=false

testOnReturn=false

maxOpenPreparedStatements=20

removeAbandoned=true

removeAbandonedTimeout=1800

logAbandoned=true

5.web.xml

<!-- 连接池 启用 Web 监控统计功能    start-->

    <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>

<!-- 连接池 启用 Web 监控统计功能    end-->

完毕!

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