//我们必须永远不会忘记启动会话
session_start();
$errorMessage = '';
if (isset($_POST['txtUserId']) && isset($_POST['txtPassword'])) {
include 'library/config.php';
include 'library/opendb.php';
$userId = $_POST['txtUserId'];
$password = $_POST['txtPassword'];
// 检查用户id和密码组合存在于数据库
$sql = "SELECT user_id
FROM tbl_auth_user
WHERE user_id = '$userId'
AND user_password = PASSWORD('$password')";
$result = mysql_query($sql)
or die('Query failed. ' . mysql_error());
if (mysql_num_rows($result) == 1) {
// sessionthe设置用户id和密码匹配,
// 设置会话
$_SESSION['db_is_logged_in'] = true;
// 在登录后我们转到主页
header('Location: main.php');
exit;
} else {
$errorMessage = 'Sorry, wrong user id / password';
}
include 'library/closedb.php';
}
?>
/ /…相同的html登录表单前一个示例一样
