目前切换到cadence的17.4版本LAYOUT，觉得切换层显示的时候需要点击color管理很麻烦，所以写了一个类似于PADS操作习惯的快捷键，不过是针对八层板的，同时因为软件限制，层名必须是TOP;GND02;SIG03;PWR04;PWR05;SIG06;GND07;BOTTOM，如果是其他名字，需要修改下面的代码实现或者将LAYOUT中的层名修改成上述的八层。
ENV文件路径为：
安装盘符:\Cadence\SPB_XX.X\share\pcb\text\env（其中XX.X代表软件版本号，如17.4、22.1等）
替换ENV文件如下：
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八层板单层显示快捷键 (L1-L8)
层叠：TOP;GND02;SIG03;PWR04;PWR05;SIG06;GND07;BOTTOM
显示内容：ETCH + PIN + VIA CLASS + PLAN + DRC
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L1 - 第1层 (TOP)
funckey L1 '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/TOP" t)(axlVisibleLayer "PIN/TOP" t)(axlVisibleLayer "VIA CLASS/TOP" t)(axlVisibleLayer "PLAN/TOP" t)(axlVisibleLayer "DRC/TOP" t)(axlSetActiveLayer "ETCH/TOP")(axlVisibleUpdate t))'
L2 - 第2层 (GND02)
funckey L2 '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/GND02" t)(axlVisibleLayer "PIN/GND02" t)(axlVisibleLayer "VIA CLASS/GND02" t)(axlVisibleLayer "PLAN/GND02" t)(axlVisibleLayer "DRC/GND02" t)(axlSetActiveLayer "ETCH/GND02")(axlVisibleUpdate t))'
L3 - 第3层 (SIG03)
funckey L3 '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/SIG03" t)(axlVisibleLayer "PIN/SIG03" t)(axlVisibleLayer "VIA CLASS/SIG03" t)(axlVisibleLayer "PLAN/SIG03" t)(axlVisibleLayer "DRC/SIG03" t)(axlSetActiveLayer "ETCH/SIG03")(axlVisibleUpdate t))'
L4 - 第4层 (PWR04)
funckey L4 '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/PWR04" t)(axlVisibleLayer "PIN/PWR04" t)(axlVisibleLayer "VIA CLASS/PWR04" t)(axlVisibleLayer "PLAN/PWR04" t)(axlVisibleLayer "DRC/PWR04" t)(axlSetActiveLayer "ETCH/PWR04")(axlVisibleUpdate t))'
L5 - 第5层 (PWR05)
funckey L5 '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/PWR05" t)(axlVisibleLayer "PIN/PWR05" t)(axlVisibleLayer "VIA CLASS/PWR05" t)(axlVisibleLayer "PLAN/PWR05" t)(axlVisibleLayer "DRC/PWR05" t)(axlSetActiveLayer "ETCH/PWR05")(axlVisibleUpdate t))'
L6 - 第6层 (SIG06)
funckey L6 '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/SIG06" t)(axlVisibleLayer "PIN/SIG06" t)(axlVisibleLayer "VIA CLASS/SIG06" t)(axlVisibleLayer "PLAN/SIG06" t)(axlVisibleLayer "DRC/SIG06" t)(axlSetActiveLayer "ETCH/SIG06")(axlVisibleUpdate t))'
L7 - 第7层 (GND07)
funckey L7 '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/GND07" t)(axlVisibleLayer "PIN/GND07" t)(axlVisibleLayer "VIA CLASS/GND07" t)(axlVisibleLayer "PLAN/GND07" t)(axlVisibleLayer "DRC/GND07" t)(axlSetActiveLayer "ETCH/GND07")(axlVisibleUpdate t))'
L8 - 第8层 (BOTTOM)
funckey L8 '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/BOTTOM" t)(axlVisibleLayer "PIN/BOTTOM" t)(axlVisibleLayer "VIA CLASS/BOTTOM" t)(axlVisibleLayer "PLAN/BOTTOM" t)(axlVisibleLayer "DRC/BOTTOM" t)(axlSetActiveLayer "ETCH/BOTTOM")(axlVisibleUpdate t))'
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带丝印的顶层和底层
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funckey LT '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/TOP" t)(axlVisibleLayer "PIN/TOP" t)(axlVisibleLayer "VIA CLASS/TOP" t)(axlVisibleLayer "PLAN/TOP" t)(axlVisibleLayer "DRC/TOP" t)(axlVisibleLayer "BOARD GEOMETRY/SILKSCREEN_TOP" t)(axlVisibleLayer "PACKAGE GEOMETRY/SILKSCREEN_TOP" t)(axlVisibleLayer "REF DES/SILKSCREEN_TOP" t)(axlSetActiveLayer "ETCH/TOP")(axlVisibleUpdate t))'
funckey LB '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/BOTTOM" t)(axlVisibleLayer "PIN/BOTTOM" t)(axlVisibleLayer "VIA CLASS/BOTTOM" t)(axlVisibleLayer "PLAN/BOTTOM" t)(axlVisibleLayer "DRC/BOTTOM" t)(axlVisibleLayer "BOARD GEOMETRY/SILKSCREEN_BOTTOM" t)(axlVisibleLayer "PACKAGE GEOMETRY/SILKSCREEN_BOTTOM" t)(axlVisibleLayer "REF DES/SILKSCREEN_BOTTOM" t)(axlSetActiveLayer "ETCH/BOTTOM")(axlVisibleUpdate t))'
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带装配的顶层和底层
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funckey LAT '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/TOP" t)(axlVisibleLayer "PIN/TOP" t)(axlVisibleLayer "VIA CLASS/TOP" t)(axlVisibleLayer "PLAN/TOP" t)(axlVisibleLayer "DRC/TOP" t)(axlVisibleLayer "PACKAGE GEOMETRY/ASSEMBLY_TOP" t)(axlVisibleLayer "REF DES/ASSEMBLY_TOP" t)(axlSetActiveLayer "ETCH/TOP")(axlVisibleUpdate t))'
funckey LAB '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/BOTTOM" t)(axlVisibleLayer "PIN/BOTTOM" t)(axlVisibleLayer "VIA CLASS/BOTTOM" t)(axlVisibleLayer "PLAN/BOTTOM" t)(axlVisibleLayer "DRC/BOTTOM" t)(axlVisibleLayer "PACKAGE GEOMETRY/ASSEMBLY_BOTTOM" t)(axlVisibleLayer "REF DES/ASSEMBLY_BOTTOM" t)(axlSetActiveLayer "ETCH/BOTTOM")(axlVisibleUpdate t))'
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带丝印+装配的顶层和底层
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funckey LAST '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/TOP" t)(axlVisibleLayer "PIN/TOP" t)(axlVisibleLayer "VIA CLASS/TOP" t)(axlVisibleLayer "PLAN/TOP" t)(axlVisibleLayer "DRC/TOP" t)(axlVisibleLayer "BOARD GEOMETRY/SILKSCREEN_TOP" t)(axlVisibleLayer "PACKAGE GEOMETRY/SILKSCREEN_TOP" t)(axlVisibleLayer "REF DES/SILKSCREEN_TOP" t)(axlVisibleLayer "PACKAGE GEOMETRY/ASSEMBLY_TOP" t)(axlVisibleLayer "REF DES/ASSEMBLY_TOP" t)(axlSetActiveLayer "ETCH/TOP")(axlVisibleUpdate t))'
funckey LASB '((axlVisibleDesign nil)(axlVisibleLayer "ETCH/BOTTOM" t)(axlVisibleLayer "PIN/BOTTOM" t)(axlVisibleLayer "VIA CLASS/BOTTOM" t)(axlVisibleLayer "PLAN/BOTTOM" t)(axlVisibleLayer "DRC/BOTTOM" t)(axlVisibleLayer "BOARD GEOMETRY/SILKSCREEN_BOTTOM" t)(axlVisibleLayer "PACKAGE GEOMETRY/SILKSCREEN_BOTTOM" t)(axlVisibleLayer "REF DES/SILKSCREEN_BOTTOM" t)(axlVisibleLayer "PACKAGE GEOMETRY/ASSEMBLY_BOTTOM" t)(axlVisibleLayer "REF DES/ASSEMBLY_BOTTOM" t)(axlSetActiveLayer "ETCH/BOTTOM")(axlVisibleUpdate t))'
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Flip Design (镜像翻转)
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funckey VB 'flipdesign'
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辅助功能
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funckey ZZ '((axlVisibleDesign t)(axlVisibleUpdate t))'