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NodejsでWord文書をPDFに変換する方法

Node js Return Word documentにメソッドがあります。このWordドキュメントをPDFに変換するために、ファイルタイプと呼ばれるパラメータを渡します。

以下のようなbuf var itファイルからの出力PK ! ߤ�l [Content_Types].xml<?xml version="1.0" encoding="UTF-8" standalone="yes"?>...

このWord文書をPDFに変換するにはどうすればよいですか？

router.get("/hello", function(request, response, next,fileType) {

  var Zip = new JSZip(
    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",
    { base64: true }
  );
  var doc = new Docxtemplater();

  doc.loadZip(Zip);
  //set the templateVariables
  doc.setData({});

  try {
    // render the document (replace all occurences of {first_name} by John, {last_name} by Doe, ...)
    doc.render();
    var buf = doc.getZip().generate({ type: "nodebuffer" });


    if(fileType=='docx'){
    response.writeHead(200, {
      "Content-Disposition": "attachment;filename=" + "template.docx",
      "Content-Type":
        "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
    });
    }else if(fileType=='pdf'){

        //here should convert 
    }

    response.end(buf);
  } catch (error) {
    var e = {
      message: error.message,
      name: error.name,
      stack: error.stack,
      properties: error.properties
    };
    console.log(JSON.stringify({ error: e }));
    // The error thrown here contains additional information when logged with JSON.stringify (it contains a property object).
    throw error;
  }
});
node.jspdfblobdocx
3
Qu1 Qu1

sOへようこそ！

これにはパッケージを使用できます。私が見つけた2つのパッケージですが、ファイルをバッファーからではなく、ディスクから読み取る必要があります。

1） docx-pdf ：npm i docx-pdf

const docxConverter = require('docx-pdf');

docxConverter('./input.docx','./output.pdf', (err, result) => {
  if (err) console.log(err);
  else console.log(result); // writes to file for us
});

2） Word2pdf ：npm i Word2pdf

const Word2pdf = require('Word2pdf');
const fs = require('fs');

const convert = async () => {
  const data = await Word2pdf('test.docx')
  fs.writeFileSync('test.pdf', data);
}

別のオプションは、 https://github.com/Api2Pdf/api2pdf.node#readme のような外部APIを使用することです（機密データを処理している場合は、自分でホストすることもできます）。

2
kano