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📄 tomcat使用datasource、connectionpool (转)--君子不器.htm

📁 关于在Tomcat中配置数据库连接池的方法,附有相关的例子
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<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 

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<DIV>以Tomcat5+MySql为例:<BR>1、copy 
驱动mysql-connector-java-3.0.8-stable-bin.jar到Tomcat安装目录的common\lib下;<BR>2、启动Tomcat;<BR>3、登录Tomcat首页:http://localhost:8080<BR>4、点开:<FONT 
color=#0000ff>Tomcat Administration</FONT><BR>5、点开:Service 
(Catalina)<BR>6、点开:Host (localhost)<BR>7、点开你自己的虚拟目录:Context 
(/NTLaw)<BR>8、点开Resources,<STRONG><FONT color=#000000>Data 
Sources</FONT></STRONG><BR>9、在Data Source Actions 中选择Create New<BR>10、JNDI Name: 
输入自己要取的名称MySql<BR>11、Data Source URL: 输入jdbc:mysql://localhost/NTLaw<BR>12、JDBC 
Driver Class:输入com.mysql.jdbc.Driver<BR>13、User Name: 
输入MySql的用户名<BR>14、Password: 
输入密码<BR>15、其它的自己看着输吧。<BR>16、写代码:<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;import 
javax.sql.DataSource;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;import 
javax.naming.*;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;import 
java.sql.*;<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Context 
ctx=new 
InitialContext();<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DataSource 
ds=(DataSource)ctx.lookup("java:comp/env/MySql");<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Connection 
conn=ds.getConnection();<BR><BR>17、OK了。<STRONG><BR></STRONG></DIV><BR>
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<P class=diaryFoot>- 作者: <A title=fcfs 
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<H4>- 评论人:yyc </H4></A>
<H5>Fri Mar 04 01:46:46 CST 2005  </H5><BR>
<P class=comment>Tomcat还好点,WebLogic连MySQL才是麻烦<BR><BR></P></DIV>
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