74 lines
2.2 KiB
PHP
74 lines
2.2 KiB
PHP
<?php
|
|
include_once "db_config.php";
|
|
|
|
$conn = $link;
|
|
|
|
// 检查连接
|
|
if ($conn->connect_error) {
|
|
die("连接失败: " . $conn->connect_error);
|
|
}
|
|
|
|
// 检查是否提交表单
|
|
if ($_SERVER["REQUEST_METHOD"] === "POST") {
|
|
$name = isset($_POST['name']) ? trim($_POST['name']) : '';
|
|
$password = isset($_POST['password']) ? trim($_POST['password']) : '';
|
|
|
|
// 表单验证
|
|
if (empty($name) || empty($password)) {
|
|
echo "姓名和密码不能为空！";
|
|
} else {
|
|
// 密码加密
|
|
$hashedPassword = md5($password);
|
|
|
|
// 查询是否存在该用户
|
|
$sql = "SELECT * FROM user_70 WHERE name = ?";
|
|
$stmt = $conn->prepare($sql);
|
|
$stmt->bind_param("s", $name);
|
|
$stmt->execute();
|
|
$result = $stmt->get_result();
|
|
|
|
if ($result->num_rows > 0) {
|
|
// 用户存在，更新密码
|
|
$updateSql = "UPDATE user_70 SET password = ? WHERE name = ?";
|
|
$updateStmt = $conn->prepare($updateSql);
|
|
$updateStmt->bind_param("ss", $hashedPassword, $name);
|
|
if ($updateStmt->execute()) {
|
|
echo "密码更新成功！";
|
|
} else {
|
|
echo "密码更新失败：" . $conn->error;
|
|
}
|
|
} else {
|
|
// 用户不存在，插入新用户
|
|
$insertSql = "INSERT INTO user_70 (name, password) VALUES (?, ?)";
|
|
$insertStmt = $conn->prepare($insertSql);
|
|
$insertStmt->bind_param("ss", $name, $hashedPassword);
|
|
if ($insertStmt->execute()) {
|
|
echo "注册成功！";
|
|
} else {
|
|
echo "注册失败：" . $conn->error;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// 关闭数据库连接
|
|
$conn->close();
|
|
?>
|
|
|
|
<!DOCTYPE html>
|
|
<html lang="zh-CN">
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<title>用户注册与修改密码</title>
|
|
</head>
|
|
<body>
|
|
<form method="POST" action="register.php">
|
|
<label for="name">姓名：</label>
|
|
<input type="text" id="name" name="name"><br>
|
|
<label for="password">密码：</label>
|
|
<input type="password" id="password" name="password"><br>
|
|
<button type="submit" id="ok" name="ok" value="ok">提交</button>
|
|
</form>
|
|
</body>
|
|
</html>
|