jsp连接mysql实例

<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>

<%

String server = "localhost"; //服务器地址
String dbname = "tang"; //数据库名
String user = "root"; //数据库用户名
String pass = "admin"; //数据库密码

String port = "3306"; //端口号

String url = "jdbc:mysql://"+server+":"+port+"/"+dbname+"?user="+user+"&password="+pass+"&useUnicode=true&characterEncoding=gb2312"; //连接地址(jdbc:mysql://localhost:3306/tang?user=root&password=admin&useUnicode=true&characterEncoding=gb2312 )

out.print(url);

String driver = "org.gjt.mm.mysql.Driver"; //mysql驱动
String sql = null;

Connection conn = null;
PreparedStatement psm = null;
ResultSet rs = null;

Class.forName(driver); //加载驱动
conn = DriverManager.getConnection(url); //连接数据库

sql = "select * from test";

psm = conn.prepareStatement(sql); //执行sql
rs = psm.executeQuery(); //取得结果集

while(rs.next())
{
%>
<br /><%=rs.getString(2)%><br />
<%
}

rs.close();
psm.close();
conn.close();
%>