htdoc/htdocs/button/check2.php

<?php
session_start();
include "connect.php";
$id = $_POST['id'];
//搜尋資料庫資料
$sql = "SELECT * FROM accounts where account = '$id'";
$result = mysql_query($sql);
$row = @mysql_fetch_row($result);
//判斷帳號與密碼是否為空白
//以及MySQL資料庫裡是否有這個會員
if ($id != null && $row[1] == $id) {
    //將帳號寫入session，方便驗證使用者身份
    $_SESSION['id'] = $row[0];
    $_SESSION['name'] = $row[1];
    $_SESSION['type'] = $row[2];
    header('Location: 000.php');
    //header('Location: 001.html');
    exit;
} else {
    header('Location: check.php');
    exit;
}