Copyright: original articles without consent, is prohibited reprint https://blog.csdn.net/zmlovelx/article/details/83929453
Solution:
It requires several steps
1 with a first open editplus source text editor, save as utf-8 BOM encoding format.
2 QApplication a (argc, argv); preceded QTextCodec :: setCodecForLocale (QTextCodec :: codecForName ( "UTF8"));
3 Chinese wrap with QString :: fromLocal8Bit ( "Chinese").
4 added to the code is in Chinese
#if _MSC_VER >= 1600
#pragma execution_character_set("utf-8")
#endif