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#ifndef 

//你的代码写在这里
#endif
#ifndef 

class 
private:
public:
};
#endif
#include 
Circle::Circle()
{
}
Circle::Circle(double 
}
double 
}
#include
#include
using 


}


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原文地址:http://blog.csdn.net/u011555996/article/details/51131721