In file included from tablehead.cpp这是什么错误啊?
1 D:\程序\tablehead.cpp In file included from tablehead.cpp 这是什么错误啊??有人说是重复引用了,我在建工程的时候先写了column.h,在写column.cpp的时候include "column.h",在写tablehead的时候,要用到column,所以在tablehead.h中include "column.h",这是不是就重复引用了???要是这样的话我该怎么样在tablehead中引用column呢??