一、Maven中添加Durid連接池依賴
<!-- druid連接池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.10</version>
</dependency>
所有druid版本一覽
https://mvnrepository.com/artifact/com.alibaba/druid
druid-1.1.10.jar 下載地址
http://central.maven.org/maven2/com/alibaba/druid/1.1.10/druid-1.1.10.jar
二、Spring 中配置Druid數據源,並設置監控參數
<!-- alibaba druid -->
<bean name="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<!-- 初始化連接大小 -->
<property name="initialSize" value="0" />
<!-- 連接池最大使用連接數量 -->
<property name="maxActive" value="20" />
<!-- 連接池最大空閒
<property name="maxIdle" value="20" />
-->
<!-- 連接池最小空閒 -->
<property name="minIdle" value="5" />
<!-- 獲取連接最大等待時間 -->
<property name="maxWait" value="60000" />
<!--
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="33" />
-->
<property name="validationQuery" value="SELECT 1" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<property name="testWhileIdle" value="true" />
<!-- 配置間隔多久才進行一次檢測,檢測需要關閉的空閒連接,單位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一個連接在池中最小生存的時間,單位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="25200000" />
<!-- 打開removeAbandoned功能 -->
<property name="removeAbandoned" value="true" />
<!-- 300秒,也就是5分鐘 -->
<property name="removeAbandonedTimeout" value="300" />
<!-- 關閉abanded連接時輸出錯誤日誌 -->
<property name="logAbandoned" value="true" />
<!-- 開啓Druid的監控統計功能 -->
<property name="filters" value="stat" />
<!--<property name="filters" value="mergeStat" /> -->
<!-- Oracle連接是獲取字段註釋 -->
<property name="connectProperties">
<props>
<prop key="remarksReporting">true</prop>
</props>
</property>
</bean>
三、web.xml中配置Druid監控的Servlet
<!-- druid監控 -->
<servlet>
<servlet-name>DruidStatView</servlet-name>
<servlet-class>com.alibaba.druid.support.http.StatViewServlet
</servlet-class>
<init-param>
<!-- 用戶名 -->
<param-name>loginUsername</param-name>
<param-value>druid</param-value>
</init-param>
<init-param>
<!-- 密碼 -->
<param-name>loginPassword</param-name>
<param-value>password</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>DruidStatView</servlet-name>
<url-pattern>/druid/*</url-pattern>
</servlet-mapping>
四、瀏覽器訪問
http://localhost:8080/druid/
用戶名密碼是上面配置的