need media upload with thumbnail

[sanjay yadav，修改在7 年前。]

HI I am using alloy ui for uplading image and showing thumbnails on forntend , please check the below code , if any help from you then many thank

<script>
YUI({filter:"raw"}).use("uploader", function(Y) {
Y.one("#overallProgress").set("text", "Uploader type: " + Y.Uploader.TYPE);
if (!(Y.Uploader.TYPE != "none" && !Y.UA.ios)) {
Y.one("#uploaderContainer").set("text", "We are sorry, but to use the uploader, you either need a browser that support HTML5 or have the Flash player installed on your computer.");
} else {
var uploader = new Y.Uploader({
width: "250px",
height: "35px",
multipleFiles: true,
swfURL: "flashuploader.swf?t=" + Math.random(),
//uploadURL: "http://yuilibrary.com/sandbox/upload/",
simLimit: 2,
withCredentials: false
});
var uploadDone = false;

uploader.render("#selectFilesButtonContainer");

uploader.after("fileselect", function (event) {

var fileList = event.fileList;
var fileTable = Y.one("#filenames tbody");
if (fileList.length > 0 && Y.one("#nofiles")) {
Y.one("#nofiles").remove();
}

if (uploadDone) {
uploadDone = false;
fileTable.setHTML("");
}

Y.each(fileList, function (fileInstance) {
fileTable.append("<tr id='" + fileInstance.get("id") + "_row" + "'>" +
"<td class='filename'>" + fileInstance.get("name") + "</td>" +
"<td class='filesize'>" + fileInstance.get("size") + "</td>" +
"<td class='percentdone'>Hasn't started yet</td>");
});
});

uploader.on("uploadprogress", function (event) {
var fileRow = Y.one("#" + event.file.get("id") + "_row");
fileRow.one(".percentdone").set("text", event.percentLoaded + "%");
});

uploader.on("uploadstart", function (event) {
uploader.set("enabled", false);
Y.one("#uploadFilesButton").addClass("yui3-button-disabled");
Y.one("#uploadFilesButton").detach("click");
});

uploader.on("uploadcomplete", function (event) {
var fileRow = Y.one("#" + event.file.get("id") + "_row");
fileRow.one(".percentdone").set("text", "Finished!");
});

uploader.on("totaluploadprogress", function (event) {
Y.one("#overallProgress").setHTML("Total uploaded: <strong>" + event.percentLoaded + "%" + "</strong>");
});

uploader.on("alluploadscomplete", function (event) {
uploader.set("enabled", true);
uploader.set("fileList", []);
Y.one("#uploadFilesButton").removeClass("yui3-button-disabled");
Y.one("#uploadFilesButton").on("click", function () {
if (!uploadDone && uploader.get("fileList").length > 0) {
uploader.uploadAll();
}
});
Y.one("#overallProgress").set("text", "Uploads complete!");
uploadDone = true;
});

Y.one("#uploadFilesButton").on("click", function () {
if (!uploadDone && uploader.get("fileList").length > 0) {
uploader.uploadAll();
}
});
}


});
</script>