typescript https上传文件

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export const requestFormData = async(host:string,path:string,formData:any):Promise<any> =>{     return new Promise( async (resolve) => {         const https = require('https');           const options = {           hostname: host,           path: path,           method: 'POST',           headers:formData.getHeaders()         };           const req = https.request(options, (res) => {           console.log('statusCode:', res.statusCode);           console.log('headers:', res.headers);           let data = "";            res.on('data', (d) => {             return data+=d;           });                       res.on('end', (d) => {             let jsonData:any = {}             try{                 jsonData = JSON.parse(data);             }catch (e){                 return resolve({code:-1,msg:`${e}`})             }                 return resolve(jsonData)           });                     });           req.on('error', (e) => {           console.error(e);         });         formData.pipe(req);         //req.end();     }); }   export const requestFile = async(host:string,path):Promise<any> =>{     return new Promise( async (resolve) => {         const FormData =require('form-data');         const formData = new FormData();         const filename="./test.txt"           // 1.先将字符串转换成Buffer         const fileContent = Buffer.from("hello");         // 2.补上文件meta信息         formData.append(filename, fileContent, {         filename,         contentType: 'text/plain',         knownLength: fileContent.byteLength         });         //const fs = require("fs");         //formData.append("template",fs.createReadStream('./test.txt'))           let response = await requestFormData(host, path,formData)         return resolve(response);       }); }