用FPDF创建的PDF以及如何保存和检索pdf [英] PDF created with FPDF and how to save and retrieve the pdf

问题描述

如何将FPDF创建的PDF存储在MySQL数据库中?

How do I store a PDF created by FPDF in a MySQL database?

推荐答案

在您的数据库中:

• 将Cloumn类型设置为BLOB

保存:

//make a pdf
$pdf=new FPDF();
$pdf->AddPage();

//set pdf to savable type
$pdfcontent = $pdf->Output("", "S");

//save pdf to database
$mysqli=new mysqli("hostname", "username", "password", "database");
$stmt = $mysqli->prepare("INSERT INTO pdfs (pdf) VALUES (?)");
$stmt->bind_param('s', $pdfcontent);
$stmt->execute();

检索:

$mysqli=new mysqli("hostname", "username", "password", "database");
$stmt = $mysqli->prepare("SELECT pdf FROM pdfs WHERE id = ?");
$stmt->bind_param('i',$id);
$stmt->execute();
$stmt->store_result();
$stmt->bind_result($pdfcontent);
while($stmt->fetch()){
    header("Content-Length: " . strlen($pdfcontent) );
    header("Content-Type: application/octet-stream");
    header('Content-Disposition: attachment; filename="WarriorDeals_Voucher_'.$number.'-'.$numIndex.'.pdf"');
    header("Content-Transfer-Encoding: binary\n");
    echo $pdfcontent;
}

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