下面是一个“控制台演示”,为您指明了正确的方向:
- _$ ([color=blue]setq [/color]s [color=darkred]"TOP 11'-7 1/4", BOT 10'-10 5/8""[/color])
- [color=darkred]"TOP 11'-7 1/4", BOT 10'-10 5/8""[/color]
- _$ ([color=blue]setq [/color]i ([color=blue]vl-string-position[/color] 44 s))
- 14
- _$ ([color=blue]setq [/color]a ([color=blue]substr [/color]s 5 ([color=blue]-[/color] i 4)))
- [color=darkred]"11'-7 1/4""[/color]
- _$ ([color=blue]setq [/color]b ([color=blue]substr [/color]s ([color=blue]+[/color] i 7)))
- [color=darkred]"10'-10 5/8""[/color]
- _$ ([color=blue]distof [/color]a 4)
- 139.25
- _$ ([color=blue]distof [/color]b 4)
- 130.625
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