<%@ page language="java" contentType="text/html; charset=UTF-8" import="java.sql.*"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
String num=request.getParameter("num");
String password=request.getParameter("password");
%>
<%
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
Connection conn= DriverManager.getConnection("jdbc:sqlserver://localhost:1433;databaseName=work","sa","123456");
Statement stmt=conn.createStatement();
String SQL="SELECT * from type where num='"+num+"' and password='"+password+"'";
ResultSet rs=stmt.executeQuery(sql);
boolean flag=false;
if(rs.next()){
flag=true;
session.setAttribute("UserName", num);
}else{
flag=false;
}
%>
<%
if(flag){
%>
<jsp:forward page="function.jsp"></jsp:forward>
<%
}else{
%>
<jsp:forward page="failed.jsp"></jsp:forward>
<%
}
rs.close();
stmt.close();
conn.close();
%>
</body>
ResultSet rs=stmt.executeQuery(sql);部分