Question

我使用FPDF在php中创建pdf，它总是显示空白文档。它的大小只有1.60kb。我获取mysql数据，并想接受卡。我使用FPDF在php中创建pdf，它总是显示空白文档。它的大小只有1.60kb。我获取mysql数据并想要接受卡片。

（i）admitcard.php

<div class="container">
    <ul class="nav nav-tabs">
        <li class="active"><a data-toggle="tab" href="#viewapp">View Applications</a></li>
        <li><a href="logout.php">Logout</a></li>
    </ul>

    <div class="tab-content">
        <div id="viewapp" class="tab-pane fade in active">
            <?php
                    $rs1 = mysqli_query($con,"select * from demodata");
                    echo '<table class="table table-striped" id="tblData">';
                    echo "<thead>";
                    echo "<tr>";
                    echo "<th>ID</th>";
                    echo "<th>NAME</th>";
                    echo "<th>DATE OF BIRTH</th>";
                    echo "<th>EMAIL ID</th>";
                    echo "<th>CONTACT NO.</th>";
                    echo "<th>SIGNUP DATE</th>";
                    echo "<tr>";
                    echo "</thead>";
                    echo "<tbody>";
            while($ar = mysqli_fetch_array($rs1))
                    {
                    echo "<tr>";
                    echo "<td><a href='viewform.php?id=".$ar[0]."'>" . $ar[0] . "</a></td>";
                    echo "<td>" . $ar[3] . "</td>";
                    echo "<td>" . $ar[2] . "</td>";
                    echo "<td>" . $ar[4] . "</td>";
                    echo "<td>" . $ar[5] . "</td>";
                    echo "<td>" . $ar[6] . "</td>";                         
                    echo "<td> <a target='_blank' href='generate_pdf.php?id=".$ar[0]."'>
                         <input type='button' value='PDF' name='adcard' class='toggle btn btn-primary'> </a></td>";                   
                    echo "</tbody>";
                    echo "</table>";
        ?>

        </div>
    </div>

（ii）genrate_pdf.php

<?php
require("fpdf.php");
$pdf = new FPDF();
$pdf->AddPage();
$pdf->SetFont('Arial','B',16);
$a=$_POST["add"];
$pdf->Cell(40,10,$a);
$pdf->Output();
?>

FPDF生成空白文档

0 个答案: