Qt下编译报错：error: 'nullptr' was not declared in this scope - 代码天地

Qt下编译报错：error: 'nullptr' was not declared in this scope

其他 2019-03-22 22:35:04 阅读次数: 0

问题原因：这个nullptr并不是程序定义的，而是C++11引入的关键字所以这个编译器可能没有支持C++11。

解决办法：使用nullptr时，要添加对C++11的支持，在.pro文件中添加QMAKE_CXXFLAGS += -std=c++0x即可

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转载自blog.csdn.net/weixin_40599145/article/details/87901513

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