摘要: They have exported C++ classes from their dll, rather than C-functions. The difference is, c++ functions are always exported with names in a mangled form that is specific to a particular version of the compiler.
Their dll is usable by msvc only in that form, and will probably not even work between different versions of msvc, as Microsoft have changed their mangling scheme before.
If you have any leverage, you need to get them to change their evil ways. Otherwise you will need to use MSVC  閱讀全文

     摘要: 當主進程開辟線程來執行http請求時，會出現程序運行崩潰、沒有執行http請求任務等情況。
1 線程中的run函數返回后線程即結束，根本無法等到reply的finished信號。因此需要加入QEventLoop來掛起線程。

2 通過connect設置信號槽，需要QObject的支持，因此在構造函數里與頭文件中需要修改代碼。  閱讀全文