pdf使用php打印，但不打印数据库中的数据

这句话叫PDF页面，但我不知道是对还是错：

<td><a href="pdf.php?pdf=1&tid='.$row["tid"].'"<button name="btn_print"class="btn btn-primary btn-icon-text btn-rounded"><i class="ti-clipboard btn-icon-prepend">
</i>View PDF</button></td>

---

helpp mee

试试这个，我希望你的问题能解决

<a href="https://fpdf.en.uptodown.com/windows/download">download fpdf file</a>
<br><br>

<td>
    <a href="?pdf=1&tid=3">
        <button name="btn_print"class="btn btn-primary btn-icon-text btn-rounded">
        <i class="ti-clipboard btn-icon-prepend"></i>
            view pdf
        </button>
    </a>
</td>
<br><br>
<br><br>
<?php
if (isset($_get['pdf'])) {

ob_start();
include "fpdf/fpdf.php";
$pdf = new fpdf('p','mm','a4');

$pdf->addpage();

$pdf->setfont('arial','b',20);

$pdf->cell(190  ,5,'your details',0,1,'c');
$pdf->cell(190  ,5,'',0,1);

$connect = mysqli_connect("localhost", "root", "", "chromium");  
$id=$_get["tid"];
        $sql="select * from candidate  where cid ='$id'"; 
        $query=mysqli_query($connect,$sql); 
     while($row=mysqli_fetch_array($query))
     {


        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'name',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cname'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'vocation',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cvoca'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'email',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cemail'],0,1);
        $pdf->cell(90  ,5,'phone number',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cpnum'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'qualification',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cqualify'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'university',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cuni'],0,1);
        $pdf->cell(90  ,5,'gender',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cgender'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'date of birth',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cdate'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'address',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['caddress'],0,1);

     }
$pdf->output();
ob_end_flush(); 
}
?>

您尚未在
标记之前关闭您的
标记。请打印$data并检查您获得的数据。
<a href="https://fpdf.en.uptodown.com/windows/download">download fpdf file</a>
<br><br>

<td>
    <a href="?pdf=1&tid=3">
        <button name="btn_print"class="btn btn-primary btn-icon-text btn-rounded">
        <i class="ti-clipboard btn-icon-prepend"></i>
            view pdf
        </button>
    </a>
</td>
<br><br>
<br><br>
<?php
if (isset($_get['pdf'])) {

ob_start();
include "fpdf/fpdf.php";
$pdf = new fpdf('p','mm','a4');

$pdf->addpage();

$pdf->setfont('arial','b',20);

$pdf->cell(190  ,5,'your details',0,1,'c');
$pdf->cell(190  ,5,'',0,1);

$connect = mysqli_connect("localhost", "root", "", "chromium");  
$id=$_get["tid"];
        $sql="select * from candidate  where cid ='$id'"; 
        $query=mysqli_query($connect,$sql); 
     while($row=mysqli_fetch_array($query))
     {


        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'name',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cname'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'vocation',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cvoca'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'email',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cemail'],0,1);
        $pdf->cell(90  ,5,'phone number',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cpnum'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'qualification',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cqualify'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'university',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cuni'],0,1);
        $pdf->cell(90  ,5,'gender',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cgender'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'date of birth',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['cdate'],0,1);
        $pdf->setfont('arial','b',18);
        $pdf->cell(90  ,5,'address',0,0);
        $pdf->setfont('arial','',16);
        $pdf->cell(90  ,5,$row['caddress'],0,1);

     }
$pdf->output();
ob_end_flush(); 
}
?>