xyp1964 发表于 2012-4-26 23:54 
此函数不严谨,cad实体很多默认组码用entget得到的组码表里不会出现,如颜色62、线型6等等!
 - (defun SubUpd (ename code newvalue / a el)
- (if (setq a (assoc code (setq el (entget ename))))
- (entmod (subst (cons code newvalue)
- a
- el
- )
- )
- (entmod (append el (list (cons code newvalue))))
- )
- (entupd ename)
- ename
- )
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