83 lines
2.6 KiB
PHP
83 lines
2.6 KiB
PHP
<?php
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session_start();
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if (!empty($_POST['submit'])) {
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$check = $_POST['check'];
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if (strtolower(trim($check)) == strtolower($_SESSION['check_checks'])) {
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echo '<script>alert("登陆成功");window.location.href="https://bing.com"</script>';
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} else {
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echo '<script>alert("验证码错误");window.location.href="12.test2.login.php"</script>';
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}
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>登录</title>
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</head>
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<body>
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<form method="post" action="">
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<table>
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<tr>
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<th colspan="2" style="text-align: center">
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<h1>用户登录</h1>
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</th>
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</tr>
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<tr>
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<td>
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<label for="username1">用户名</label>
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</td>
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<td>
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<input type="text" id="username1" name="username" required>
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</td>
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</tr>
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<tr>
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<td>
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<label for="password1">密码</label>
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</td>
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<td>
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<input type="password" name="password" id="password1" required>
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</td>
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</tr>
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<tr>
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<td>
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<label for="check1">验证码</label>
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</td>
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<td>
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<img src="12.test2.checks.php" alt="验证码" onclick="refresh_check()" id="captchaImage">
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<input type="text" name="check" id="check1" required size=9>
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</td>
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</tr>
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<tr>
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<td colspan="2" style="text-align: center">
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<input type="submit" value="登录" name="submit" id="submit1" onclick="return check()">
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<input type="reset" value="重置" name="reset" id="reset1" onclick="refresh_check()">
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</td>
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</tr>
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</table>
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</form>
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<script>
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function refresh_check() {
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// 获取验证码图像元素
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var captchaImage = document.querySelector('#captchaImage');
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// 生成新的时间戳，用于强制刷新图像
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var timestamp = new Date().getTime();
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// 修改验证码图像的src属性，添加时间戳参数
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captchaImage.src = '12.test2.checks.php?timestamp=' + timestamp;
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}
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function check() {
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//check username and password empty
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const username = document.getElementById("username1").value;
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const password = document.getElementById("password1").value;
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const check = document.getElementById("check1").value;
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if (username === "" || password === "" || check === "") {
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alert("用户名或密码或验证码不能为空！");
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return false;
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}
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}
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</script>
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</body>
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