QT uses MSVC compiler, and the code reports an error

1. Premise

After inspection, it is confirmed that your code is correct, and the error reported by QT creator is a pure false alarm.

2. Error examples

[error] Constants with newlines
[error] xxx is not a member of xxx
[error] Syntax error, missing ;
...

3. Solutions

Add the following configuration in *.Pro file.

win32-msvc*: {
    QMAKE_CFLAGS *= /utf-8
    QMAKE_CXXFLAGS *= /utf-8
}