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后台管理部分.index.php
1.检查COKKIES,判断是否已经登录.已登录由跳转到post.php
2.检查提交信息,判断帐户和密码是否正确.正确则跳转到post.php
3.一些页面布局和用户名和密码输入框还有提交按钮.
1 <?php 2 require_once dirname(dirname(__FILE__)).‘/files/conf.php‘; 3 if (isset($_COOKIE[‘mc_token‘])) {//检查COOKIES确定是否已登录 4 $token = $_COOKIE[‘mc_token‘]; 5 if ($token == md5($mc_config[‘user_name‘].‘_‘.$mc_config[‘user_pass‘])) { 6 Header("Location:post.php"); 7 } 8 } 9 if (isset($_POST[‘login‘])) {//检查是否点击了提交按钮 10 if ($_POST[‘user‘] == $mc_config[‘user_name‘] 11 && $_POST[‘pass‘] == $mc_config[‘user_pass‘]) { 12 setcookie(‘mc_token‘, md5($mc_config[‘user_name‘].‘_‘.$mc_config[‘user_pass‘])); 13 Header("Location:post.php"); 14 } 15 } 16 ?> 17 <!DOCTYPE html> 18 <html> 19 <head> 20 <meta charset="UTF-8" /> 21 <title>后台管理</title> 22 <style type="text/css"> 23 * { font-family:"Microsoft YaHei",Arial; } 24 body { background:#f9f9f9; font-size:14px; } 25 #login_title { text-align:center; width:360px; margin:120px auto; margin-bottom:0px; font-size:32px; color:#333; text-shadow: 0 2px 0 #FFFFFF;} 26 #login_form { width:360px; margin:0 auto; margin-top:20px; border:solid 1px #e0e0e0; background:#fff; border-radius:3px 3px 3px 3px;} 27 #login_form_box { padding:16px; } 28 #login_form .label { font-weight:bold; padding-bottom:6px; color:#333; } 29 #login_form .textbox input { border:none; padding:0; font-size:24px; width:312px; color:#333; } 30 #login_form .textbox { border:1px solid #e0e0e0; padding:6px; margin-bottom:20px; border-radius:3px 3px 3px 3px; } 31 #login_form .bottom { text-align:right; } 32 #login_form .button { padding:8px 16px; font-size:14px; } 33 </style> 34 </head> 35 <body> 36 <form action="<?php echo $_SERVER[‘REQUEST_URI‘]; ?>" method="post"> 37 <div id="login_title">登录后台</div> 38 <div id="login_form"> 39 <div id="login_form_box"> 40 <div class="label">帐号</div> 41 <div class="textbox"><input name="user" type="text" /></div> 42 <div class="label">密码</div> 43 <div class="textbox"><input name="pass" type="password" /></div> 44 <div class="bottom"><input name="login" type="submit" value="登录" class="button" /></div> 45 </div> 46 </div> 47 </form> 48 </body> 49 </html>
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原文地址：http://www.cnblogs.com/OneL1fe/p/5398982.html
