书上的一个例子,加载之后说是参数太少,可是我全是照抄的啊。。。求帮忙。
(defun c:rect (/p1 p2 p3 p4) (setq p1 (getpoint "\n 输入矩形的一个角点:")) (setq p3 (getcorner p1 "\n 输入矩形的另一个角点:")) (setq p2 (list (car p3) (cadr p1))) (setq p4 (list (car p1) (cadr p3))) (command "pline" p1 p2 p3 p4 "c") ) |