这样试试: - (defun c:BRR (/ pt)
- (setq xa 10)
- (setq sc (getdist (strcat "\n打断距离 <" (rtos xa 2) ">")))
- (setq xa (if sc sc xa))
- (if (setq pt (osnap (getpoint "\n请输入打断基点: ") "NEAR")) (progn
- (command "circle" "near" pt "d" xa)
- (command "trim" "l" "" "near" pt "")
- (command "erase" "p" "")
- ))
- (princ)
- )
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