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