<data-sources>
    <data-source key="dataSources">
      <set-property value="oracle.jdbc.driver.OracleDriver" property="driverClass" />
      <set-property value="jdbc:oracle:thin:@192.168.100.100:1521:ORCL" property="url" />
      <set-property value="5" property="maxCount" />
      <set-property value="1" property="minCount" />
      <set-property value="**" property="user" />
      <set-property value="**" property="password" />
    </data-source>看清楚呀,很简单
    ServletContext context = servlet.getServletContext();    DataSource dataSource = (DataSource)context.getAttribute("dataSources");    conn = dataSource.getConnection();    stmt = conn.createStatement();