zh_esign/app/Servers/Wps/PdfServer.php

<?php


namespace App\Servers\Wps;



use App\Models\FactoringContract;
use App\Models\FactoringContractFile;
use App\Models\FileManager;
use App\Servers\System\CommonServer;

use Illuminate\Support\Facades\DB;
use PhpOffice\PhpWord\IOFactory;


class PdfServer
{
    static private $server = null;





    function __construct()
    {

    }

    /**
     * 创建对象
     * @return PdfServer
     */
    static function creatServer()
    {
        if (empty(self::$server)) self::$server = new PdfServer();
        return self::$server;
    }

    /**
     * 文件转换为PDF
     * @return bool
     * @throws \Throwable
     */
    function createFileConvert(){
        $list = FileManager::where('status',0)
            ->where('is_convert',1)
            ->where('task_id','')
            ->orderBy('id','asc')
            ->limit(20)
            ->get();

        if (count($list) <= 0) {
            return false;
        }

        foreach ($list as $value){
            $extension = pathinfo($value->{'file_url'}, PATHINFO_EXTENSION);
            if($extension=='pdf'){
                $url=$value->{'file_url'};
            }else{
                if (in_array($extension,['png','jpg','jpeg','gif'])){//走图片转文档
                    $url = $this->imgToPdf($value->{'file_url'});
                }else{
                    $task_id= $this->wordToPdf($value->{'file_url'});
                    if($task_id){
                        $value->update(['task_id'=>$task_id]);
                    }
                    continue;
                }
                if (empty($url)) {
                    $value->update(['is_convert'=>0]);
                    continue;
                }
            }

            //更新url
            FileManager::where('id',$value->{'id'})->update(['file_url'=>$url,'old_file_url'=>$value->{'file_url'},'is_convert'=>0]);
        }
        DB::commit();
        return true;

    }


    /**
     * 文件转换pdf记录
     * @return bool
     */
    function queryFileConvert(){
        $list = FileManager::where('status',0)
            ->where('is_convert',1)
            ->where('task_id','<>','')
            ->orderBy('id','asc')
            ->limit(20)
            ->get();
        if (count($list) <= 0) {
            return false;
        }
        foreach ($list as $item){
            $url= WpsServer::creatServer()->queryConvertPdf($item['task_id']);
            if($url){
                $item->update(['file_url'=>$url,'old_file_url'=>$item->{'file_url'},'is_convert'=>0]);
            }
        }
    }


    /**
     * 合同文件更新
     * @return bool
     */
    function setFactoringContract(){
        $list=FactoringContractFile::where('file_pdf','')->where('task_id','')->where('is_end',1)->select(['id','file_path','file_url','file_pdf'])->limit(10)->get();
        if($list->count()<=0){
            return false;
        }
        foreach ($list as $value){
            $task_id= $this->wordToPdf($value->{'file_url'});
            if($task_id){
                $value->update(['task_id'=>$task_id]);
            }
        }
    }

    /**
     * 查询合同转换结果
     * @return bool
     */
    function queryFactoringContract(){
        $list=FactoringContractFile::where('file_pdf','')->where('task_id','<>','')->select(['id','file_path','file_url','task_id','file_pdf','type','file_no'])->limit(10)->get();
        if($list->count()<=0){
            return false;
        }
        foreach ($list as $item){
            $url= WpsServer::creatServer()->queryConvertPdf($item['task_id']);
            if($url){
                $item->update(['file_pdf'=>$url]);
                if($item->{'type'}==2){
                    FactoringContract::where('file_no',$item['file_no'])->update(['contracts_pdf'=>$url]);
                }
            }
        }

    }


    /**
     * word转pdf
     * @param $wordUrl
     * @param $id
     * @param $type
     * @return string
     */
    function wordToPdf($wordUrl){
        $fileName=CommonServer::creatServer()->getFileName($wordUrl);
        return WpsServer::creatServer()->fileConvertPdf($wordUrl,$fileName);
//        $storageUrl='storage/pdf/'.date('Ymd').'/';
//        $path=public_path($storageUrl);
//        $fileUrl=$path.time().$fileName;
//        if(!is_dir($path)){
//            mkdir($path,0777,true);
//        }
//        $extension = pathinfo($fileName);
////        file_put_contents($fileUrl ,file_get_contents($wordUrl));
//////        $content = file_get_contents('https://wealfavor-1257406827.cos.ap-beijing.myqcloud.com/git.docx');
//////        dd($content);
////        dd($fileUrl);
////        $phpWord = IOFactory::load($fileUrl);
////        $wordHtml = IOFactory::createWriter($phpWord,'HTML');
////        $fileHtml=$path.$fileName.'.html';
////        $wordHtml->save($fileHtml);
////        $html=file_get_contents($fileHtml);
////        // 设置Dompdf选项
////        $dompdf = new Dompdf();
////        $dompdf->loadHtml($html,'UTF-8');
////        $dompdf->setPaper('A4', 'portrait');
////        $dompdf->render();
////        $pdf = $dompdf->output();
////
////// 将PDF写入文件
////        file_put_contents($path.$fileName.'.pdf', $pdf);
//        // 创建一个新的Word文档实例
//        file_put_contents($fileUrl ,file_get_contents($wordUrl));
//        $phpWord = IOFactory::load($fileUrl);
//
//        // 创建一个新的FPDF实例
////        $pdf = new \FPDF();
//        $pdf = new \PDF_Chinese();
//        $pdf->AddGBFont('simhei','黑体');
//        $pdf->AddGBFont('simkai','楷体_GB2312');
//
//        // 遍历Word文档中的所有部分并转换为PDF
//        foreach ($phpWord->getSections() as $section) {
//            // 添加一页PDF
//             $pdf->AddPage();
////             $pdf->setFont('freeserif');
//            $pdf->SetFont('simhei','',16);
////            $pdf->AddFont('GB','', 'song.cng.php');
////            $pdf->AddFont('GB','B', 'song.cnb.php');
//            // 遍历文档部分中的所有元素
//            foreach ($section->getElements() as $element) {
//                // 处理文本元素
//
//                if (method_exists($element, 'getText')) {
//                    $text = $element->getText();
//                    $text = mb_convert_encoding($text, 'GBK', 'UTF-8');
//                    $pdf->Cell(0, 5, $text, 0, 1, 'L');
//                }
//
//                // 处理图像元素
//                if (method_exists($element, 'getImage')) {
//                    $image = $element->getImage(0);
//                    $pdf->Image($image->getSource(), $pdf->GetX(), $pdf->GetY(), $image->getWidth(), $image->getHeight());
//                }
//
//                // 处理其他元素类型...
//            }
//        }
//        $fileName=str_replace($extension['extension'],'',$fileName);
//        // 保存PDF到文件
//        $pdf->Output($path.$fileName.'pdf', 'F');
//        return 'http://'.env('APP_ADMIN_HOST').'/'.$storageUrl.$fileName.'pdf';
    }


    /**
     * 图片转pdf
     * @param $imgUrl
     * @return string
     */
    function imgToPdf($imgUrl){
        $fileName=CommonServer::creatServer()->getFileName($imgUrl);
        $storageUrl='storage/pdf/'.date('Ymd').'/';
        $path=public_path($storageUrl);
        if(!is_dir($path)){
            mkdir($path,0777,true);
        }
//        $base64Img=base64_encode(file_get_contents($imgUrl));
//        $extension = pathinfo($fileName);
//        $htmlContent = '<html><body><img src="data:image/'.$extension['extension'].';base64,'.$base64Img.'" /></body></html>';
//        dd($htmlContent);
//        $dompdf = new Dompdf();
//        $dompdf->loadHtml($htmlContent,'UTF-8');
//        $dompdf->setPaper('A4', 'portrait');
//        $dompdf->render();
//        $pdf = $dompdf->output();
//        // 将PDF写入文件
//        $fileName=str_replace($extension['extension'],'',$fileName);
//        file_put_contents($path.$fileName.'pdf', $pdf);
        $pdf = new \FPDF();
        $pdf->AddPage();
        // 获取图片尺寸
        list($width, $height) = getimagesize($imgUrl);
        $extension = pathinfo($fileName);
        // 获取PDF页面宽度
        $pageWidth = $pdf->getPageWidth()-10;
        $pageHeight = $pdf->GetPageHeight()-10;
        // 计算图片缩放比例，使其宽度与页面宽度相匹配
        $scale = $pageWidth / $width;
        // 计算缩放后的高度
        $newHeight = $height * $scale;
        if($pageHeight<$newHeight){
            $newHeight=$pageHeight;
            $scale = $newHeight / $height;
            $newWidth=$width * $scale;
        }else{
            $newWidth=$pageWidth;
        }

        // 将图片添加到PDF，并设置缩放比例
        $pdf->Image($imgUrl, 5, 5, $newWidth, $newHeight, strtoupper($extension['extension']));

        $fileName=str_replace($extension['extension'],'',$fileName);
        $pdf->Output('F', $path.$fileName.'pdf');
        return 'https://'.env('APP_ADMIN_HOST').'/'.$storageUrl.$fileName.'pdf';
    }


}