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请教！关于QMap<QString,QMap<QString,QString >>的数据去重问题

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churzhi

wrote on last edited by

#1
我保存了一组map数据
```
QMap<QString,QMap<QString,QString >> map;

QMap<QString,QString > childMap;
```
因为map里的 childMap的value值会有很多相同的，请教一下大佬们，如何去重获得同一个value的childMap的key和map的key。万分感谢🙏！
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