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monjack
2025-01-06 19:52:30 +08:00
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>表单提交与现场恢复</title>
</head>
<body>
<?php
// 定义变量，用于回显用户输入的数据
$name = "";
$gender = "";
$courses = [];
$hometown = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
// 获取表单数据
$name = isset($_POST['name']) ? htmlspecialchars($_POST['name']) : "";
$gender = isset($_POST['gender']) ? $_POST['gender'] : "";
$courses = isset($_POST['course']) ? $_POST['course'] : [];
$hometown = isset($_POST['hometown']) ? $_POST['hometown'] : "";
}
?>
<!-- 表单 -->
<form action="form_test_74_2.php" method="post">
<!-- 姓名 -->
<label for="name">姓名：</label>
<input type="text" id="name" name="name" value="<?php echo $name; ?>">
<br><br>
<!-- 性别 -->
性别：
<input type="radio" id="male" name="gender" value="1" <?php echo ($gender == "1") ? "checked" : ""; ?>>
<label for="male">男</label>
<input type="radio" id="female" name="gender" value="2" <?php echo ($gender == "2") ? "checked" : ""; ?>>
<label for="female">女</label>
<br><br>
<!-- 选课 -->
选课：
<input type="checkbox" id="computer" name="course[]" value="computer" <?php echo in_array("computer", $courses) ? "checked" : ""; ?>>
<label for="computer">计算机</label>
<input type="checkbox" id="math" name="course[]" value="math" <?php echo in_array("math", $courses) ? "checked" : ""; ?>>
<label for="math">数学</label>
<input type="checkbox" id="english" name="course[]" value="english" <?php echo in_array("english", $courses) ? "checked" : ""; ?>>
<label for="english">英语</label>
<br><br>
<!-- 籍贯 -->
籍贯：
<select id="hometown" name="hometown">
<option value="beijing" <?php echo ($hometown == "beijing") ? "selected" : ""; ?>>北京</option>
<option value="chengdu" <?php echo ($hometown == "chengdu") ? "selected" : ""; ?>>成都</option>
<option value="chongqing" <?php echo ($hometown == "chongqing") ? "selected" : ""; ?>>重庆</option>
</select>
<br><br>
<!-- 提交按钮 -->
<input type="submit" id="ok" name="ok" value="提交">
</form>
<!-- 输出提交结果 -->
<?php if ($_SERVER["REQUEST_METHOD"] == "POST"): ?>
<h3>提交结果：</h3>
<p>姓名：<?php echo $name; ?></p>
<p>性别：<?php echo ($gender == "1") ? "男" : (($gender == "2") ? "女" : "未选择"); ?></p>
<p>选课：
<?php
if (!empty($courses)) {
echo implode("，", $courses);
} else {
echo "未选择";
}
?>
</p>
<p>籍贯：<?php echo !empty($hometown) ? $hometown : "未选择"; ?></p>
<?php endif; ?>
</body>
</html>