使用ajax下载文件的百分比进度栏 [英] percentage progress bar for downloading file using ajax

问题描述

hiii，

有人可以用代码告诉我如何创建运行时百分比进度条以使用ajax下载或上传文件吗...

谢谢....

hiii,

can someone tell me with code how to create run time percentage progress bar for downloading or uploading files using ajax...

thanks....

推荐答案

我知道有商业组件可以执行此操作，但是我怀疑它们只是测量文件传输速率并对其进行了篡改.您的页面不知道发送了多少数据，直到所有数据都到达为止.

I know there are commercial components that do this, but I suspect they just measure the file transfer rate and fudge it. Your page doesn''t know how much data was sent, until it all arrives.

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