问nodejs上传文件HTTP POST

EN

var fs = require('fs');
var http =  require('http');

postData = null;

postData=fs.readFileSync("test.jpg")

if(postData!=null){

var options = {
  host: 'localhost',
  port: 10730,
  method: 'POST' 
};

var clientRequest = http.request(options);
clientRequest.end(postData);}

 var http =  require('http');
 var fs = require('fs');

 var server = http.createServer((req,res)=>{
   req.on('data', (chunk)=>{
   fs.writeFile('testcopy.jpg',chunk)})
   req.on('end', ()=>{
   console.log("end")
 })})
 server.listen(10730,'localhost');