(if ssi (Progn (command "undo" "begin") (setq len (sslength ssi)) (setq n 0) (repeat len (setq ent (ssname ssi n)) (setq dxf (entget ent)) (setq yangshi (assoc 41 dxf)) (setq INSc (cons 41 50)) (setq dxf (subst insc yangshi dxf)) (entmod dxf) (setq n (+ 1 n)) (setq ssi nil) ) (PRINC "\n块已更新完成!") ) ) 大家帮忙看看,为何出错呢? |