<Context path="/moon" docBase="C:\downloads\jspwork"
debug="5" reloadable="true" crossContext="true">
<Resource name="jdbc/mldn" auth="Container" type="javax.sql.DataSource"
maxActive="100" maxIdle="30" maxWait="10000"
username="root" password="tiger" driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/wolf?autoReconnect=true"/>
</Context>
==================================================================
<Context path="/test" docBase="f:\testweb\"
debug="5" reloadable="true" crossContext="true">
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="localhost_MysqlTest_log." suffix=".txt"
timestamp="true"/>
//下面Resource中的name 是数据源的名字
<Resource name="名字" auth="Container" type="javax.sql.DataSource"/>
//与上面的名字完全相同，要进行数据源的具体配置
<ResourceParams name="名字">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>100</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>30</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>5000</value>
</parameter>
<parameter>
<name>username</name>
<value>用户名</value>
</parameter>
<parameter>
<name>password</name>
<value>密码</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>驱动程序</value>
</parameter>
<parameter>
<name>url</name>
<value>连接地址</value>
</parameter>
</ResourceParams>
</Context>
=================================================
<%@ page import="java.sql.*"%>
<%@ page import="javax.sql.*"%>
<%@ page import="javax.naming.*"%>
<%!
final String JNDINAME = "java:comp/env/jdbc/mldn" ;
%>
<%
Connection conn = null ;
try
{
// 初始化查找命名空间
Context ctx = new InitialContext() ;
// 找到DataSource
DataSource ds = (DataSource)ctx.lookup(JNDINAME) ;
conn = ds.getConnection() ;
}
catch(Exception e)
{
System.out.println(e) ;
}
%>
<%=conn%>
<%
// 将连接重新放回到池中
conn.close() ;
%>