處理瀏覽器上針對文字編輯方塊中 影像資料的 剪下貼上與上傳 How to paste image to text editor and upload to server on browser?

這個問題是，如何用剪下貼上的方式將影像資料貼到瀏覽器的文字方塊中，並將其傳送到Server端儲存?

How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?

Cut and Paste image in html editor and send image data to server side for saving as gif or png file