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<?php
namespace app\crm\controller;
use think\Controller;
use think\Request;
class Preview extends Controller
{
public function previewPdf(Request $request)
{
# 处理跨域
// header('Access-Control-Allow-Origin: '.$_SERVER['HTTP_ORIGIN']);
// header('Access-Control-Allow-Credentials: true');
// header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS');
// header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, authKey, sessionId");
# 相应类型
header('Content-Type: application/pdf');
header('Transfer-Encoding: chunked');
$key = $request->param('key');
$data = db('admin_printing_data')->field(['type', 'content'])->where('key', $key)->find();
$contentArray = json_decode($data['content'], true);
$content = $contentArray['data'];
require_once(EXTEND_PATH.'tcpdf'.DS.'config'.DS.'tcpdf_config.php');
require_once(EXTEND_PATH.'tcpdf'.DS.'tcpdf.php');
$tcpdf = new \TCPDF();
// 设置PDF页面边距LEFTTOPRIGHT
$tcpdf->SetMargins(10, 10, 10);
// 设置字体,防止中文乱码
$tcpdf->SetFont('simsun', '', 10);
// 设置文件信息
// $tcpdf->SetCreator(TITLE_NAME);
// $tcpdf->SetAuthor(TITLE_NAME);
$tcpdf->SetTitle("打印内容预览");
// 删除预定义的打印 页眉/页尾
$tcpdf->setPrintHeader(false);
// 设置文档对齐,间距,字体,图片
$tcpdf->SetCreator(PDF_CREATOR);
$tcpdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);
$tcpdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
// 自动分页
$tcpdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
$tcpdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
$tcpdf->setFontSubsetting(true);
$tcpdf->setPageMark();
$tcpdf->AddPage();
$html = $content;
$tcpdf->writeHTML($html, true, false, true, true, '');
$tcpdf->lastPage();
$tcpdf->Output(ROOT_PATH.DS.'public'.DS.'temp'.DS.'pdf'.DS.'print.pdf','I');
exit($this->fetch('preview', ['key' => $key]));
}
}