<%@ page language="java" import="java.util.*" import="java.sql.*" pageEncoding="utf-8"%>
<html>
<body>
<%String driverName="com.mysql.jdbc.Driver";
String userName="root";
String userPwd="124911";
String dbName="students";
String url1="jdbc:mysql://localhost:3306/"+dbName;
String url2="?name="+userName+"&password="+userPwd;
String url3="&useUnicode=true&characterEncoding=UTF-8";
String url=url1+url2+url3;
Class.forName(driverName);
Connection conn=DriverManager.getConnection(url);
String name=request.getParameter("name");
String password=request.getParameter("password");
String sql="select * from mytable where user=? and password=?";
PreparedStatement pstmt=conn.prepareStatement(sql);
pstmt.setString(1,name);
pstmt.setString(2, password);
ResultSet rs = pstmt.executeQuery();
if(rs.next()){
%> 成功登陆！
<%} else
{%>登录失败！<%}%>
<% if(rs!=null){rs.close();}
if(pstmt!=null){pstmt.close();}
if(conn!=null){conn.close();}
%>
</body>
</html>
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