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JAVASCRIPT網頁應用程式設計
book

JAVASCRIPT網頁應用程式設計

by Alex MacCaw
January 2013
Intermediate to advanced
332 pages
5h 23m
Chinese
GoTop Information, Inc.
Content preview from JAVASCRIPT網頁應用程式設計
處理檔案
|
117
e.stopPropagation();
e.preventDefault();
var files = e.originalEvent.dataTransfer.files;
for ( var i = 0; i < files.length; i++)
uploadFile(files[i]);
return false;
});
上傳檔案
接下來,就可以開始實作
uploadFile()
函式(現在開始才是關鍵所在)。我們會用
jquery.upload.js 裡的
$.upload()
函式,發送一組 Ajax 上傳請求給伺服器。同時讓這組
請求監聽 progress 事件,並隨時更新 jQuery UI 進度列。等到上傳完成之後,顯示一組
訊息告知使用者,再讓進度列消失:
var uploadFile = function(file){
var element = $("<div />");
element.text(file.fileName);
var bar = $("<div />");
element.append(bar);
$("#progress").append(element);
var onProgress = function(e){
var per = Math.round((e.position / e.total) * 100);
bar.progressbar({value: per});
};
var onSuccess = ...
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Publisher Resources

ISBN: 9789862766811