使用weblogic管理数据源

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%@ page contentType="text/html; charset=GBK" language="java"
	errorPage=""%>
<%@ page import="javax.naming.*,java.sql.*,javax.sql.*"%>
<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
	</head>
	<body>
		<%
			//初始化Context,使用InitialContext初始化Context
			Context ctx = new InitialContext();
			//通过JNDI查找数据源,该JNDI就是部署数据源所指定的JNDI
			DataSource ds = (DataSource) ctx.lookup("mmysql");
			//获取数据库连接
			Connection conn = ds.getConnection();
			//获取Statement
			Statement stmt = conn.createStatement();
			//执行查询,返回ResulteSet对象
			ResultSet rs = stmt.executeQuery("select * from t_book");
			while (rs.next()) {
				out.println(rs.getString(1) + "&nbsp;&nbsp;" + rs.getString(2)
						+ "<br/>");
			}
			rs.close();
			stmt.close();
			conn.close();
		%>
	</body>
</html>



























猜你喜欢

转载自xiongjiajia.iteye.com/blog/2162302
今日推荐