从nodejs请求到s3的流响应

response

var req = require('request');var s3 = new AWS.S3({params: {Bucket: myBucket, Key: s3Key}});var imageStream = req.get(url)    .on('response', function (response) {      if (200 == response.statusCode) {        s3.upload({Body: response, ACL: "public-read", CacheControl: 5184000}, function (err, data) {  //2 months          console.log(err,data);        });      }    });});