Ajax_File_Upload

Introduction

利用 javascript 達到檔案上傳的功能

Release

Beta(Now is prototype)

Feature

• 顯示上傳進度
• 多檔上傳
• 取消上傳
• 拖拉上傳
• 斷點續傳??
• chrome 上傳資料夾
• 盡可能跨 browser(for IE8)
• 不依攋任一 javascript library

Develop

• 單純用 javascript
• 利用 AJAX 上傳
• 處理 AJAX 上傳在 IE 的問題(利用 iframe 也許可解, Refer)
• 處理拖拉
• 處理拖拉資料夾
• 處理預設樣式

DevLog

Log & note

Issue

• FormData
  • AJAX 上傳(IE10 以上)
  • IE 利用 iframe 實作

Usage

var upload = new uploadFiles(
    {
        inputFileSelector: '#select',
        fileName: 'Upfile[]'
    }
);

Parameter

• inputFileSelector(input type file element)
• fileName(name="")
• server(the file upload to server url)
• dropArea(set the drop area)

Method

• upload
• cancel

Event

Use CustomEvent (IE 9 up) Refer - How to Create Custom Events in JavaScript

• selectFiles
  • e.fileList (Array)
    • name
    • size
    • type
  • e.length (number)
• uploadError
• uploadProgress
  • e.bytesLoaded (number)
  • e.bytesTotal (number)
  • e.percentLoaded (number)
• uploadComplete
• dragenter
• dragover
• drop
• drag

About code

Get DOM use querySelector replace getElementById、getElementsByTagName...etc(IE8 up) document.querySelector Use node method to reduce code