NodeJS Request 如何发送 multipart/form-data POST 请求 [英] NodeJS Request how to send multipart/form-data POST request

问题描述

我正在尝试将 POST 请求发送到请求中包含图像的 API.我正在使用请求模块执行此操作，但是我尝试的所有操作都不起作用.我当前的代码:

I'm trying to send a POST request to an API with an image in the request. I'm doing this with the request module but everything I try it isn't working. My current code:

const options = {
    method: "POST",
    url: "https://api.LINK.com/file",
    port: 443,
    headers: {
        "Authorization": "Basic " + auth,
        "Content-Type": "multipart/form-data"
    },
    form : {
        "image" : fs.readFileSync("./images/scr1.png")
    }
};

request(options, function (err, res, body) {
    if(err) console.log(err);
    console.log(body);
});

但请求使用 Content-Type: application/x-www-form-urlencoded 出于某种原因......我该如何解决这个问题?

But request uses Content-Type: application/x-www-form-urlencoded for some reason... How can I fix this?

推荐答案

如 文档 表单 multipart/form-data 请求正在使用 form-data 库.所以你需要提供 formData 选项而不是 form 选项.

As explained in documentation form multipart/form-data request is using form-data library. So you need to supply formData option instead of form option.

const options = {
    method: "POST",
    url: "https://api.LINK.com/file",
    port: 443,
    headers: {
        "Authorization": "Basic " + auth,
        "Content-Type": "multipart/form-data"
    },
    formData : {
        "image" : fs.createReadStream("./images/scr1.png")
    }
};

request(options, function (err, res, body) {
    if(err) console.log(err);
    console.log(body);
});

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