请求-承诺下载pdf文件 [英] request-promise download pdf file

问题描述

我收到了多个pdf文件，必须从REST-API下载.

I received multiple pdf files and must download it from a REST-API.

经过身份验证并连接后，我尝试下载带有请求承诺的文件:

After auth and connect I try to download the file with request-promise:

const optionsStart = {
  uri: url,
  method: 'GET',
  headers: {
      'X-TOKEN': authToken,
      'Content-type': 'applcation/pdf'
    }
  }
  request(optionsStart)
    .then(function(body, data) {
      let writeStream = fs.createWriteStream(uuid+'_obj.pdf');
      console.log(body)
      writeStream.write(body, 'binary');
      writeStream.on('finish', () => {
        console.log('wrote all data to file');
      });
      writeStream.end();
    })

该请求创建了一个pdf文件(大约1-2MB)，但我无法打开它. (Mac预览显示空白页，而Adobe显示=>

The request create a pdf (approximately 1-2MB) but I can't open it. (Mac Preview show blank pages and adobe show = >

打开此文档时出错.阅读时出现问题 该文档(14).

There was an error opening this document. There was a problem reading this document (14).

我没有下载文件所在的API端点的信息.保持卷曲:

I have no information about the API Endpoint where I download the files. Just have this curl:

curl -o doc.pdf --header "X-TOKEN: XXXXXX" 
http://XXX.XXX/XXX/docs/doc1

我的错误在哪里?

更新:

我在编辑中打开了文件，文件看起来像这样:

I opened the file in edit and the file looks like that:

没有任何经验:-)

推荐答案

在您的请求选项中添加编码:二进制":

Add encoding: 'binary' to your request options:

const optionsStart = {
  uri: url,
  method: "GET",
  encoding: "binary", // it also works with encoding: null
  headers: {
    "Content-type": "application/pdf"
  }
};

这篇关于请求-承诺下载pdf文件的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！