我有一张包含两张桌子的表格。每个表都能添加表行。这意味着使用isset $ _POST提交表单时使用“for”对吗？我关心的是如何在单个数据库表中提交包含两个表（它们都具有函数添加表行）的单个表单。两个表都包含略有不同的属性，但在同一个数据库表中。我正在搜索一个星期，但还没找到解决方案。我只能提交一个包含一个表格的表格（其中包含添加表格行）。如果有两个表但是插入到同一个数据库表中怎么样？
if(isset($_POST['submitbtn'])){
//others
$merchant = $_POST['merchant'];
$remark = $_POST['remark'];
$docno = $_POST['docno'];
$category = $_POST['category'];
$claim_amount = $_POST['claim_amount'];
//airfare
$airline = $_POST["airline"];
$origin = $_POST["origin"];
$destination = $_POST["destination"];
$descript = $_POST["desc"];
$docno_air = $_POST["docno_air"];
$category_air = $_POST["category_air"];
$claim_amount_fare = $_POST["claim_amount_fare"];
$email = $ColUser['Email'];
$euser = $_SESSION['UserId'];
$reportName = $_POST['reportname'];
$start_date = date("Y-m-d");
$status="open";
$purpose = $_POST["purpose"];
//get approval
$getapproval = "SELECT * FROM `approve_by` WHERE `user_id` = '".$_SESSION['UserId']."'";
$approvalget = mysqli_query($mysqli,$getapproval);
$appid = mysqli_fetch_assoc($approvalget);
$app1 = $appid['approval_1'];
$app2 = $appid['approval_2'];
$app3 = $appid['approval_3'];
//generate travel id
$travelprefix= "SELECT * FROM `prefix` WHERE `description` = 'Travel'";
$result_travel = mysqli_query($mysqli, $travelprefix);
$travel_info = mysqli_fetch_assoc($result_travel);
$travel_pre = $travel_info['prefix'];
$travel_old_num = $travel_info['running_number'] + 1;
$travel_new = sprintf("%05d", $travel_old_num);
$travel_date_append = date('mY');
$travel_number = $travel_pre."-".$travel_date_append."-".$travel_new;
//generate report id
$reportprefix= "SELECT * FROM `prefix` WHERE `description` = 'REPORT'";
$result_report = mysqli_query($mysqli, $reportprefix);
$report_info = mysqli_fetch_assoc($result_report);
$report_pre = $report_info['prefix'];
$report_old_num = $report_info['running_number'] + 1;
$report_new = sprintf("%05d", $report_old_num);
$report_date_append = date('mY');
$report_number = $report_pre."-".$report_date_append."-".$report_new;
if (!empty($_POST['airline']))
{
for ($i = 0; $i < count($_POST["airline"]); $i++){
$airline = $_POST["airline"][$i];
$origin = $_POST["origin"][$i];
$destination = $_POST["destination"][$i];
$descript = $_POST["desc"][$i];
$docno_air = $_POST["docno_air"][$i];
$category_air = $_POST["category_air"][$i];
$claim_amount_fare = $_POST["claim_amount_fare"][$i];
//$upload_dir = 'upload';
//$targetPath = dirname( __FILE__ ) . DIRECTORY_SEPARATOR . $upload_dir . DIRECTORY_SEPARATOR;
$targetPaths="upload/";
$filefare = $targetPaths.rand(1000,100000)."-".$_FILES['bill_image_air']['name'][$i];
$file_loc = $_FILES['bill_image_air']['tmp_name'][$i];
$file_basename = substr($filefare, 0, strripos($filefare, '.'));
//$flink='http://localhost/new_exp/'.$file;
move_uploaded_file($file_loc,$filefare);
$mrecordprefix= "SELECT * FROM `prefix` WHERE `description` = 'Category'";
$mresult_record = mysqli_query($mysqli, $mrecordprefix);
$mrecord_info = mysqli_fetch_assoc($mresult_record);
$mrecord_pre = $mrecord_info['prefix'];
$mrecord_old_num = $mrecord_info['running_number'] + 1;
$mrecord_new = sprintf("%05d", $mrecord_old_num);
$mrecord_date_append = date('mY');
$mrecord_number = $mrecord_pre."-".$mrecord_date_append."-".$mrecord_new;
$save_running_records = "UPDATE `prefix` SET `running_number`=? WHERE `description` = 'Category'";
$save_running_report = "UPDATE `prefix` SET `running_number`=? WHERE `description` = 'Report'";
$save_running_travel = "UPDATE `prefix` SET `running_number`=? WHERE `description` = 'Travel'";
$save_new_record = "INSERT INTO `report`(`reportname`, `report_ref`, `UserId`, `CategoryId`, `travel_record`, `remark`, `claim_amount`, `bill_image`, `bill_image_type`, `docno`, `origin`, `airline`, `destination`, `email_from`, `approval_1`, `approval_2`, `approval_3`) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
$save_count = "INSERT INTO `categorycount`(`CategoryId`, `amount`, `userid`, `categoryno`) VALUES (?, ?, ?, ?)";
$stmt6 = $mysqli->prepare($save_running_records);
$stmt4 = $mysqli->prepare($save_running_report);
$stmt2 = $mysqli->prepare($save_running_travel);
$stmt5 = $mysqli->prepare($save_new_record);
$stmt7 = $mysqli->prepare($save_count);
$stmt6->bind_param('s', $mrecord_old_num);
$stmt4->bind_param('s', $report_old_num);
$stmt2->bind_param('s', $travel_old_num);
$stmt5->bind_param('ssiisssbssssssiii', $reportName, $report_number, $euser, $category_air, $travel_number, $descript, $claim_amount_fare, $filefare, $filefare, $docno_air, $origin, $airline, $destination, $email, $app1, $app2, $app3);
$stmt7->bind_param('isis', $category_air, $claim_amount_fare, $euser, $mrecord_number);
if ($stmt5->execute() == false){
echo 'Fifth query failed: ' . $mysqli->error;
} else {
if ($stmt2->execute() == false){
echo 'gl B query failed: ' . $mysqli->error;
} else {
if ($stmt4->execute() == false){
echo 'gl B query failed: ' . $mysqli->error;
} else {
if ($stmt7->execute() == false) {
echo 'gl B query failed: ' . $mysqli->error;
} else {
if($stmt6->execute() == false){
echo 'gl C query failed: ' . $mysqli->error;
}
$stmt6->close();
}
$stmt7->close();
}
$stmt4->close();
}
$stmt2->close();
}
$stmt5->close();
}
}
airfare table image others expenses table image
我现在的问题是如何处理其他费用标签中的表是否为空？因为当我尝试提交表格并填写所有输入，除了其他费用标签表，我让它为空。当我提交表单时，其他费用选项卡表中的空行也插入数据库表中。