執(zhí)行查詢后獲取標(biāo)題的 php 代碼<?phpif (isset($_POST['Submit1'])) { $con = mysqli_connect("localhost:3306", "root", "", "travels"); // Check connection if (mysqli_connect_errno()) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); } $fname1 = $_POST['fname']; $lname1 = $_POST['lname']; $pnum1 = $_POST['pnum']; $email1 = $_POST['email']; $fcode = $_POST['fcode']; $sql = "insert into customer_info(fname,lname,pnumber,email) values ('$fname1','$lname1','$pnum1','$email1')"; $sql1 = "insert into booking_info(fname,lname,pnumber,email,f_code) values ('$fname1','$lname1','$pnum1','$email1','$fcode')"; $sql2 = "update flight_info set seats_available=seats_available-1 where flight_code='$fcode'"; mysqli_query($con, $sql); mysqli_query($con, $sql1); mysqli_query($con, $sql2); header("Location: Booking_confirm.php");}?>代碼<div class="container mt-5"> <div class="row"> <div class="col-md-6"> <form action="Booking.php" method="POST"> <div class="form-group"> <label for="fname">First Name: </label> <input type="text" name="fname" class="form-control" id="fname"/> </div> <div class="form-group"> <label for="lname">Last Name: </label> <input type="text" name="lname" class="form-control" id="lname"/> </div> <div class="form-group"> <label for="pnum">Phone Number: </label> <input type="text" name="pnum" class="form-control" id="pnum"/> </div> <div class="form-group"> <label for="email">Email-Address: </label> <input type="text" name="email" class="form-control" id="email"/> </div>這就是我的代碼的外觀。由于某種原因，我的標(biāo)題無(wú)法正常工作，我無(wú)法找出原因。幫助將不勝感激。我已經(jīng)嘗試了所有可能的更改以使標(biāo)題正常工作但沒(méi)有用
2 回答
慕標(biāo)琳琳
TA貢獻(xiàn)1830條經(jīng)驗(yàn) 獲得超9個(gè)贊
確保在 header() 函數(shù)之前沒(méi)有空格或 html 標(biāo)記或任何輸出...
上傳整個(gè)代碼，結(jié)構(gòu)，以便我們幫助您找到解決方案
Qyouu
TA貢獻(xiàn)1786條經(jīng)驗(yàn) 獲得超11個(gè)贊
您有兩個(gè)嵌套表單，第一個(gè)表單action="Booking.php"包含所有字段，而第二個(gè)嵌套表單action="Booking_confirm.php"僅包含提交按鈕和NO字段。
代替
<form action="Booking_confirm.php" method="POST" target="_blank"> <button type="Submit" name="Submit1" class="btn btn-primary">Book</button> </form>
和
<button type="Submit" name="Submit1" class="btn btn-primary">Book</button>
單擊提交時(shí)沒(méi)有$_POST['fname']等$_POST['lname']。
編輯：您可能還需要更換
<form action="Booking.php" method="POST">
和
<form action="Booking_confirm.php" method="POST" target="_blank">
取決于您的“標(biāo)題”/代碼的放置位置
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