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