[html_html5_css]-----blob

hechengjin

  function* fetpic(uriOptions) {
    let XHR = require('app://app/mail/net/XHR.js');
    let image = yield XHR.fetch(uriOptions);
    let myavatar = image.request.response;
    expect(myavatar.toString()).to.eql('[object Blob]')
    return myavatar;
  }
let uriOptions = {
      uri:'http://news.cnr.cn/native/pic/20151023/W020151023244447426179.jpg',
    }
let myavatar = yield* fetpic(uriOptions);
let blobUri = URL.createObjectURL(myavatar );

showPic(blobUri );
  function showPic(BlobUri) {
    let img = document.createElement("img");
    img.onload = function(e) {
      //console.log('onload ');
    };
    img.src = BlobUri;
    console.log('img.src : ' + img.src);
    let eleAppend = document.getElementById("forAppend");
    eleAppend.appendChild(img);
  }