Java Web JDBC数据源

在tomcat中配置数据库连接池

在tomcat中的conf文件下：context.xml配置文件中配置

代码：

<?xml version='1.0' encoding='utf-8'?>
<!--
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  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

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  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
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-->
<!-- The contents of this file will be loaded for each web application -->
<Context reloadable="true" docbase="work.war" path="/content">

    <!-- Default set of monitored resources -->
    <WatchedResource>WEB-INF/web.xml</WatchedResource>
 
    <!-- Uncomment this to disable session persistence across Tomcat restarts -->
    <!--
    <Manager pathname="" />
    -->

    <!-- Uncomment this to enable Comet connection tacking (provides events
         on session expiration as well as webapp lifecycle) -->
    <!--
    <Valve className="org.apache.catalina.valves.CometConnectionManagerValve" />
    -->

    <Resource name="jdbc/mysqlds"
     auth="Container"
      type="javax.sql.DataSource"
            maxActive="100"
            maxIdle="30"
            maxWait="10000"
            username="root"
            password="root"
            driverClassName="com.mysql.jdbc.Driver"
      url="jdbc:mysql://localhost:3307/test?autoReconnect=true"/>

    </Context>

上面是配置的是MySQL数据库的连接池，当然还可以配置像：oracle     SQL Server等数据库