使用C++画直线 完整代码 #include "graphics.h" int main() {int driver,mode,i;float x0,y0,y1,x1;float j=12,k;driver=VGA;mode=VGAHI;initgraph(&driver,&mode,"");setbkcolor(GREEN);x0=263;y0=263;y1=275;x1=275;for(i=0;i<=18;i++){setcolor(5);line(x0,y0,x0,y1);x0=x0-5;y0=y0-5; x1=x1+5; y1=y1+5; j=j+10;} }