login.php 5.2 KB

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  1. <?php
  2. include "conn.php";
  3. $act = $_GET['act'] ?? '';
  4. if ($act == "logout") {
  5. // Clear all session variables
  6. addSession('loginid', '');
  7. addSession('loginuser', '');
  8. addSession('loginname', '');
  9. addSession('loginpower', '');
  10. session_destroy();
  11. }
  12. if ($act == "login") {
  13. checkPost();
  14. $loginuser = textEncode($_POST['loginuser'] ?? '');
  15. $loginpwd = textEncode($_POST['loginpwd'] ?? '');
  16. $logincode = $_POST['logincode'] ?? '';
  17. if ($loginuser == "") {
  18. echo "1";
  19. exit;
  20. }
  21. if ($loginpwd == "") {
  22. echo "2";
  23. exit;
  24. }
  25. if ($logincode != $_SESSION['zengscode']) {
  26. echo "3";
  27. exit;
  28. }
  29. $sql = "SELECT id, loginuser, loginpwd, loginstate, loginname, loginlasttime, loginlastip,
  30. loginthistime, loginthisip, loginpower, logincount
  31. FROM login WHERE loginuser = '" . mysqli_real_escape_string($conn, $loginuser) . "'";
  32. $result = mysqli_query($conn, $sql);
  33. if (mysqli_num_rows($result) == 0) {
  34. echo "4";
  35. exit;
  36. }
  37. $row = mysqli_fetch_assoc($result);
  38. if ($row['loginpwd'] != md5($loginpwd)) {
  39. echo "5";
  40. exit;
  41. }
  42. if ($row['loginstate'] < 1) {
  43. echo "6";
  44. exit;
  45. }
  46. // Check power status
  47. $sql = "SELECT COUNT(powerstate) as count, powerstate FROM power WHERE id = '" . mysqli_real_escape_string($conn, $row['loginpower']) . "' GROUP BY powerstate";
  48. $result = mysqli_query($conn, $sql);
  49. $power = mysqli_fetch_assoc($result);
  50. if (!$power || $power['count'] == 0 || $power['powerstate'] == 0) {
  51. echo "6";
  52. exit;
  53. }
  54. $_SESSION['zengscode'] = "";
  55. // Update login information
  56. $sql = "UPDATE login SET
  57. loginlasttime = loginthistime,
  58. loginlastip = loginthisip,
  59. loginthistime = NOW(),
  60. loginthisip = '" . mysqli_real_escape_string($conn, getIp()) . "',
  61. logincount = logincount + 1
  62. WHERE id = '" . mysqli_real_escape_string($conn, $row['id']) . "'";
  63. mysqli_query($conn, $sql);
  64. // Set session variables
  65. addSession('loginid', $row['id']);
  66. addSession('loginuser', $row['loginuser']);
  67. addSession('loginname', $row['loginname']);
  68. addSession('loginpower', $row['loginpower']);
  69. echo "7";
  70. exit;
  71. }
  72. ?>
  73. <!DOCTYPE html>
  74. <html xmlns="http://www.w3.org/1999/xhtml">
  75. <head>
  76. <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  77. <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  78. <link href="css/loginlayout.css" type="text/css" rel="stylesheet" />
  79. <title><?php echo $webname; ?> - 网站后台管理</title>
  80. <script language="javascript" src="js/jquery-1.7.2.min.js"></script>
  81. <script type="text/javascript" src="js/loginjs.js"></script>
  82. <style type="text/css">
  83. /* 修复输入框变形问题 */
  84. #loginuser, #loginpwd, #logincode {
  85. background-color: #fff;
  86. border: 1px solid #ccc;
  87. border-radius: 3px;
  88. width: 180px;
  89. height: 28px;
  90. line-height: 28px;
  91. padding: 0 10px;
  92. outline: none; /* 防止点击时出现浏览器默认的蓝色边框 */
  93. box-sizing: border-box;
  94. font-size: 14px;
  95. }
  96. #logincode {
  97. width: 100px;
  98. }
  99. .loginuser, .loginpwd, .logincode {
  100. height: 40px;
  101. margin-bottom: 8px;
  102. display: flex;
  103. align-items: center;
  104. }
  105. /* 不再使用背景图像 */
  106. .loginuser, .loginpwd, .logincode {
  107. background: none;
  108. }
  109. /* 确保输入框在获取焦点时不变形 */
  110. #loginuser:focus, #loginpwd:focus, #logincode:focus {
  111. box-shadow: 0 0 3px #226dc7;
  112. border-color: #226dc7;
  113. }
  114. /* 调整标签样式 */
  115. .loginuser label, .loginpwd label, .logincode label {
  116. width: 80px;
  117. text-align: right;
  118. margin-right: 10px;
  119. font-size: 14px;
  120. }
  121. /* 调整验证码区域 */
  122. #showlogincode {
  123. margin-left: 10px;
  124. position: relative;
  125. z-index: 1000; /* 设置高z-index值,确保显示在最顶层 */
  126. }
  127. /* 确保验证码图片也在最顶层 */
  128. #showlogincode img {
  129. position: relative;
  130. z-index: 1000;
  131. }
  132. /* 调整登录按钮位置 */
  133. #loginbtn {
  134. background: url(../images/login_user_submit.gif) 0 0 no-repeat;
  135. border: none;
  136. width: 111px;
  137. height: 122px;
  138. text-indent: -9999px;
  139. cursor: pointer;
  140. position: absolute;
  141. top: 120px;
  142. left: 410px; /* 原来是380px,向右移动 */
  143. }
  144. </style>
  145. </head>
  146. <body>
  147. <div id="container">
  148. <form id="loginform" name="loginform" method="post">
  149. <div class="loginuser"><label for="loginuser">用户帐号:</label><input type="text" id="loginuser" name="loginuser" maxlength="50" autocomplete="off" placeholder="输入用户帐号" /></div>
  150. <div class="loginpwd"><label for="loginpwd">用户密码:</label><input type="password" id="loginpwd" name="loginpwd" maxlength="50" autocomplete="off" placeholder="输入用户密码" /></div>
  151. <div class="logincode"><label for="logincode">验 证 码:</label><input type="text" id="logincode" name="logincode" maxlength="5" autocomplete="off" placeholder="输入验证码"/><span id="showlogincode"></span></div>
  152. <div><input type="submit" id="loginbtn" name="loginbtn" value="登陆" /></div>
  153. <div id="formmsg"></div>
  154. </form>
  155. <div id="copyright">Copyright © Mietubl All Rights Reserved</div>
  156. </div>
  157. </body>
  158. </html>