Question

类中的结构体数组怎么初始化

Answer 1

你只初始了und[0]

struct undergraduate
{
int num;
char name[20];
int id;
int borrownum;
int borrowtime;
} und[20]= {{0,"",1,10,30},
{1,"",2,10,30},
{2,"",3,10,30},
{3,"",4,10,30},
... ...
};