问Windows 8将图像发布到web服务器

EN

 var picker = new Windows.ApplicationModel.Contacts.ContactPicker();
 picker.commitButtonText = "Select";
 picker.pickSingleContactAsync().done(function (contact) {
 if (contact !== null) {
     var name = contact.name
     contact.getThumbnailAsync().done(function (thumbnail) {
         if (thumbnail.size > 0) {
             var imageBlob = window.URL.createObjectURL(thumbnail);
             document.getElementById("img").src = imageBlob; 
             WinJS.xhr({ url: "http://host?name=" + name }).done(
                 function completed(rss) {

                 },
                 function error(request) {
                    // handle error conditions.
                 },
                 function progress(request) {
                    // report on progress of download.
                 }
             ); 
         }
     });
 }