login_check.jsp

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JSP
46
字号
<%@ page language="java" import="java.util.*,mypack.*" pageEncoding="gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'login_check.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    <jsp:useBean id="mm" class="mypack.UserDB" scope="session"/>
	<%  String username=request.getParameter("username");
		String userpassword=request.getParameter("userpassword");
		if(username!=null&&userpassword!=null){
		boolean flg=mm.checkuser(username,userpassword);
		if(flg){
						
		out.println("<center><font color='#FB4F71' size='+3'>欢迎你"+username+"</font></center>");
		session.setAttribute("username",username);
		int id=mm.getuserid(username);
		String userid=String.valueOf(id);
		session.setAttribute("userid",userid);
		}else{
		out.println("<center><font color='#FB4F71' size='+3'>对不起用户名和密码不匹配,新用户请先注册!</font></center>");
		out.println("<center><a href='register.jsp'>注册新用户</a></center>");
		}
	}	
	 %>
  </body>
</html>

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