本文介绍了将cookie值分配到文本框中的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我在下面有这个代码我试图找不到会话和cookie的东西。我想知道如何在注销后根据cookie值填写用户名和密码字段 我的尝试：
I have this code below I am trying to undestand session and cookie things.I am wondering How to fill username and password fields based on cookie value after log out What I have tried:
<?php session_start(); ob_start(); if (isset($_COOKIE['name']) and isset($_COOKIE['pass'])) { $c_name = $_COOKIE['name']; $c_pass = $_COOKIE['pass']; echo "<script> document.getElementById('u_name2).val='$c_name'; </script>"; } ?> <?php if (isset($_SESSION['login'])) { header('location:welcome.php'); } else { if (isset($_POST['submit'])) { $name = $_POST['username']; $pass = $_POST['password']; $db = new PDO('mysql:host=localhost;dbname=testing;charset=utf8', 'root', ''); $query = $db->prepare('select * from users where username=? and password=?'); $query->execute([$name, $pass]); $count = $query->rowCount(); if ($query->rowCount()) { $_SESSION['login'] = true; $_SESSION['username'] = $name; if (isset($_POST['remember'])) { setcookie('name', $name, time() + 60 * 60 * 6); setcookie('pass', $pass, time() + 60 * 60 * 6); } header('location:welcome.php'); } } else { ?> <form action="" method="post"> UserName <input type="text" name="username" id="u_name"><br> Password : <input type="text" name="password" id="u_pass"><br> Remember Me :<input type="checkbox" name="remember" > <br> <input type="submit" name="submit"><br> </form> <?php } } ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> </body> </html> <?php推荐答案
_COOKIE ['name']）和isset（ _COOKIE['name']) and isset(
_COOKIE ['pass']））{ _COOKIE['pass'])) {
c_name =
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将cookie值分配到文本框中
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