我在将一个表中的一个字段插入另一个表时遇到问题。我有两张表:成员(member)表和预订表。在这两个表中,我都有member_ID,我想从成员(member)表获取member_ID的值并将其插入预订表中。
这是我的代码:
$type=$_POST['serv_name'];
$no=$_POST['reserv_hours'];
$time=$_POST['reserv_time'];
$date=$_POST['reserv_date'];
$ID=$_POST['member_ID'];
$fn=$_SESSION['fn'];
$sql=mysql_query("INSERT INTO reservation (serv_name,reserv_hours,reserv_time,reserv_date,member_ID)
VALUES ('$type','$no','$time','$date',$ID)");
$sql1=mysql_query("INSERT INTO reservation (reserv_ID,serv_name,reserv_hours,reserv_time,reserv_date,member_ID)
(SELECT r.reserv_ID,r.serv_name,r.reserv_hours,r.reserv_time,r.reserv_date,m.member_ID FROM reservation r LEFT JOIN member m ON r.member_ID=m.member_ID)");
$result = ($sql.$sql1);
if($result)
{
header("Location:payment.php");
}
else
{
echo "ERROR!";
header("refresh:5;url=main.php");
}
它正在工作,并且确实在我的数据库中注册,但我的预订表中的 member_ID 仍然为 0。请帮忙。预先感谢您。
最佳答案
FROM reservation r
您忘记了别名
关于PHP 插入和左连接,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/18673103/