QLoggingCategory可以控制打印输出类别和区域。方便在调试时，过滤掉不关心的打印信息。
QLoggingCategory Class
The QLoggingCategory class represents a category, or 'area' in the logging infrastructure. More...
| Header: | #include |
|---|---|
| qmake: | QT += core |
| Since: | Qt 5.2 |
QLoggingCategory可以控制打印输出类别和区域。方便在调试时，过滤掉不关心的打印信息。
The QLoggingCategory class represents a category, or 'area' in the logging infrastructure. More...
| Header: | #include |
|---|---|
| qmake: | QT += core |
| Since: | Qt 5.2 |
