var xhr = new XMLHttpRequest();
//Upload progress
xhr.upload.addEventListener("progress", function(evt){
      if (evt.lengthComputable) {
        var percentComplete = evt.loaded / evt.total;
        //Do something with upload progress （上传中干点事）
        console.log(percentComplete);
      }
    }, false);
//Download progress
xhr.addEventListener("progress", function(evt){
      if (evt.lengthComputable) {
        var percentComplete = evt.loaded / evt.total;
        //Do something with download progress（下载中中干点事）
        console.log(percentComplete);
      }
    }, false);

xhr.open('GET','http://easysart.oss-cn-shenzhen.aliyuncs.com/images/artwork/1000/2018-10-24_0938325bcfcd18f2e36.jpg', true);

xhr.responseType = "blob";
xhr.setRequestHeader("client_type", "DESKTOP_WEB");

xhr.onload = function () {
	if (this.status == 200) {
		var blob = this.response;
		console.log(blob);
		var img = document.createElement("img");
		img.onload = function(e) {
			window.URL.revokeObjectURL(img.src);
		};
		img.src = window.URL.createObjectURL(blob);
		$("#img").html(img);
	}
}
xhr.send();