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Home > List of blog posts > PHP模拟用户登陆验证
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PHP模拟用户登陆验证
阿远
Original
475 people have browsed it

模拟用户登陆验证

  1. <?php
  2. $code = '<span style="color:rgb(' . mt_rand( 0, 255 ) . ' ' . mt_rand( 0, 255 ) . ' ' . mt_rand( 0, 255 ) . ')">' . mt_rand( 0, 9 ) . '</span>';
  3. $code .= '<span style="color:rgb(' . mt_rand( 0, 255 ) . ' ' . mt_rand( 0, 255 ) . ' ' . mt_rand( 0, 255 ) . ')">' . mt_rand( 0, 9 ) . '</span>';
  4. $code .= '<span style="color:rgb(' . mt_rand( 0, 255 ) . ' ' . mt_rand( 0, 255 ) . ' ' . mt_rand( 0, 255 ) . ')">' . mt_rand( 0, 9 ) . '</span>';
  5. $code .= '<span style="color:rgb(' . mt_rand( 0, 255 ) . ' ' . mt_rand( 0, 255 ) . ' ' . mt_rand( 0, 255 ) . ')">' . mt_rand( 0, 9 ) . '</span>';
  6. function regpost()
  7.  {
  8.     global $massage;
  9.     global $code;
  10.     $username = $_POST['username'];
  11.     $password = $_POST['password'];
  12.     $password2 = $_POST['password2'];
  13.     $ayuan = $_POST['ayuan'];
  14.     $massage = '注册成功';
  15.     if ( empty( $username ) ) {
  16.         $massage = '请输入账号';
  17.         return;
  18.     }
  19.     if ( ord( $username ) < 65 || ord( $username ) > 90 && strlen( $username ) < 6 ) {
  20.         $massage = '用户名首个字符必须是字母且大于6位';
  21.         return;
  22.     }
  23.     if ( empty( $password ) ) {
  24.         $massage = '请输入密码';
  25.         return;
  26.     }
  27.     if ( $password2 !== $password ) {
  28.         $massage = '两次密码不一致';
  29.         return;
  30.     }
  31.     if ( empty( $ayuan ) ) {
  32.         $massage = '请输入验证码';
  33.         return;
  34.     }
  35.     if ( strcasecmp( $ayuan, $code ) !== 0 ) {
  36.         $massage = '验证码不正确';
  37.         return;
  38.     }
  39. }
  41. if ( $_SERVER['REQUEST_METHOD'] === 'POST' ) {
  42.     regpost();
  43. }
  44. ?>
  45. <!DOCTYPE html>
  46. <html lang = 'zh'>
  47. <head>
  48. <meta charset = 'UTF-8'>
  49. <meta name = 'viewport' content = 'width=device-width, initial-scale=1.0'>
  50. <meta http-equiv = 'X-UA-Compatible' content = 'ie=edge'>
  51. <title>用户注册</title>
  52. </head>
  54. <body>
  55. <form action = "" method = 'post'>
  56. <label>账号:</label>
  57. <input name = 'username' value = "<?php echo isset($_POST['username']) ? $_POST['username'] : '' ?>" />
  58. <br />
  59. <label>密码:</label>
  60. <input type = 'password' name = 'password' />
  61. <br />
  62. <label>确认密码:</label>
  63. <input type = 'password' name = 'password2' />
  64. <br />
  65. <label>验证码:
  66. <input type = 'text' name = 'ayuan' style = 'width: 50px;'>
  67. <?php
  68. echo $code;
  69. ?></label>
  70. <br />
  71. <?php if ( isset( $massage ) ) : ?>
  72. <p><?php echo $massage;
  73. ?></p>
  74. <?php endif ?>
  75. <button>注册</button>
  76. </form>
  77. </body>
  79. </html>
Correcting teacher：PHPzPHPz

Correction status：qualified

Teacher's comments：
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