?? ??? ?? ? ????? ??? ??? ???? ???? ??? ?? ???????. ?? ????? ??? ??? ?? ???????. ???? ??? ?? ??? ???? ??? ???????.

login.php ??? ??? ????.

<?php 
session_start (); 
require_once("../config/config.php");
    $password = $_POST['password'];
    //查詢數(shù)據(jù)庫 然后取出數(shù)據(jù)庫的信息，如果和表單提交的信息一致，則登錄成功，進(jìn)入后臺管理
    $sql = "select * from admin where  password='$password'";
    $res = mysql_query($sql);
    $row = mysql_fetch_row($res);
    if($row){
        echo "<script>alert('登錄成功')</script>";
        echo "<script>location.href='index.php'</script>";
    }else{
        echo "<script>alert('登錄失敗')</script>";
        echo "<script>history.go(-1);</script>"; //登錄失敗返回上一個頁面
    }
 ?>

??????? ??? ? sql? ?????. ??? ?? ??? ??? ??????? ???? ??? ??? ???? ???????? ??? ??? ??? ????? ???? ???? ???? ? ????. ???? ???? ???? ?????. ???? ???? ???? ???? ??? ?? ??? ???? ?????.