Question is in the titl开发者_如何转开发e Thanks for your help.
didSendBodyData apparently is part of NSURLConnection and was added in iPhone 3.0 SDK.
You may be better off just removing the functionality (showing POST upload progress) when running on the older firmware version.
Alternatively you could always drop back to sockets and implement the feature yourself.
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......
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