Qt undefined reference to `vtable for .....‘解决方法

undefined reference to `vtable for XXX‘

【Qt】报错error: undefined reference to `vtable for的解决方法

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报错error: undefined reference to `vtable for的解决方法

Qt报错： undefined reference to ‘xxx‘

Qt报错undefine reference to vtable for ...解决办法

QT 使用emit 报错 undefined reference

undefined reference to

Qt程序报error: undefined reference to `GameModel::~GameModel()‘