php登录验证及代码实现含数据库设计亲測有效

深夜调代码试过无数种方法最终见了成效

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

<title>管理员后台登录 </title>

<!--                       CSS                       -->

<!-- Reset Stylesheet -->

<link rel="stylesheet" href="resources/css/reset.css" type="text/css" media="screen" />

<!-- Main Stylesheet -->

<link rel="stylesheet" href="resources/css/style.css" type="text/css" media="screen" />

<!-- Invalid Stylesheet. This makes stuff look pretty. Remove it if you want the CSS completely valid -->

<link rel="stylesheet" href="resources/css/invalid.css" type="text/css" media="screen" />

<!--                       Javascripts                       -->

<!-- jQuery -->

<script type="text/javascript" src="resources/scripts/jquery-1.3.2.min.js"></script>

<!-- jQuery Configuration -->

<script type="text/javascript" src="resources/scripts/simpla.jquery.configuration.js"></script>

<!-- Facebox jQuery Plugin -->

<script type="text/javascript" src="resources/scripts/facebox.js"></script>

<!-- jQuery WYSIWYG Plugin -->

<script type="text/javascript" src="resources/scripts/jquery.wysiwyg.js"></script>

</head>

<body id="login">

<div id="login-wrapper" class="png_bg">

  <div id="login-top">

    <h1>管理员后台登录</h1>

    <!-- Logo (221px width) -->

    <a href="#"><img id="logo" src="resources/images/logo.png" alt="Simpla Admin logo" /></a> </div>

  <!-- End #logn-top -->

  <div id="login-content">

    <form action="login_1.php" method = "POST">

      <fieldset>

      <p>

        <label>username</label>

        <input class="text-input" type="text" name = "loginName"/>

      </p>

      <div class="clear"></div>

      <p>

        <label>密码</label>

        <input class="text-input" type="password" name = "loginPwd"/>

      </p>

      <div class="clear"></div>

      <p id="remember-password">

        <input type="checkbox" />

        记住我 </p>

      <div class="clear"></div>

      <p>

        <input id = "loginbtn" class="button" type="submit" value="登入" name = "submit" />

      </p>

      </fieldset>

    </form>

  </div>

  <!-- End #login-content -->

</div>

<!-- End #login-wrapper -->

</body>

</html>

login_1.php内容例如以下

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

<?

php 

	error_reporting(0);

	if(!isset($_POST['submit'])){

    	exit('非法訪问!');

	} 

	$name=$_POST['loginName'];

	$password=$_POST['loginPwd'];

	include('connect.php');

  	if($name && $password){

  		echo "come in";

  		$sql="select * from admin where adName='$name' and adPwd='$password' ";

  		$res=mysql_query($sql);

  		echo "$res";

  		echo "$name";

  		$test=mysql_fetch_array($res);

  		if($test && strcmp($name,'admin')==0){

  			header("location:index.php");

  			echo "finally";

  			exit;

  		}else{

  			echo "fail to login";

  			exit;

  		}

  		mysql_free_result($res);

  		mysql_close($conn);

  	}

?

>

connect.php内容例如以下

<?php

	$conn=mysql_connect('localhost','root','') or die("连接失败".mysql_error());

  	mysql_select_db('door',$conn) or die("选择数据库失败".mysql_error());

  	mysql_query("set names gb2312");

?>

数据库设计例如以下

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php登录验证及代码实现含数据库设计亲測有效

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php登录验证及代码实现 含数据库设计 亲測有效

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php登录验证及代码实现含数据库设计亲測有效