完全的代码，，，经验证可以运行，与伙伴们分享

using namespace std;

int main(void )
{
Coordinate coor [3];
coor[0].m_iX=3;
coor[0].m_iY=5;

Coordinate *p=new Coordinate[3];
p->m_iX=7;
p[0].m_iY=9;

p++;//p=p+1;
p->m_iX=11;
p[0].m_iY=13;

p[1].m_iX=15;
p++;
p->m_iY=17;

for(int i=0;i<3;i++)
{
cout<<"coor_x"<<coor[i].m_iX<<endl;
cout<<"coor_y"<<coor[i].m_iY<<endl;

}
//for(j=0;j<3;j++)
//{
// cout<<"p_x"<<p[j].m_iX<<endl;
// cout<<"p_y"<<p[j].m_iY<,endl;
//}
for(int j=0;j<3;j++)
{
cout<<"p_x"<<p->m_iX<<endl;
cout<<"p_y"<<p->m_iY<<endl;
p--;
}
p++;
delete []p;
p=NULL;

system("pause");
return 0;
}