QT uses MSVC compiler to output Chinese garbled code

Use QStringLiteral（） Macro encapsulation string

QString str=QStringLiteral(" Current capacity ：")+QString::asprintf("%d %%",arg1);

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mandatory MSVC The compiler uses UTF-8 Generate executable file by encoding , You need to add the following statements in front of each header file and source program file that uses Chinese strings ：

#if _MSC_VER >=1600 //MSVC2015>1899,MSVC_VER=14.0
#pragma execution_character_set("utf-8")
#endif