Autolisp评估用户变量
我有一个打印设置来打印图形中的所有布局选项卡。我为用户提供了选择纸张大小、打印样式和方向的选项。这些存储为用户变量（PDFP、PST和PLO）。我的设置很好，但我正在尝试设置，如果用户没有选择其中一个变量，该命令将被取消。我尝试了if语句，但我想同时计算这三个变量。我认为这应该是可行的，只要我们能够弄明白。感谢您的帮助。下面的代码是绘制所有布局并将其放置在每个项目的PDF文件夹中的代码。
^C^C^C(foreach LL (layoutlist)(setvar "ctab" LL)(command (setq DL (substr (getvar "dwgprefix") 1 (- (strlen (getvar "dwgprefix")) 13))) (setq DN (substr (getvar "dwgname") 1 (- (strlen (getvar "dwgname")) 4))) (strcat DL DN);(setq FS (strcat DL "52 PDFs" (chr 92) DN "-" (getvar "CTAB") ".pdf")) "plot" "yes" "" "AutoCAD PDF (General Documentation)" PDFPS "Inches" PLO "No" "Extents" "1:1" "Center" "Yes" PST "Yes" "No" "No" "No" FS "Yes" "Yes" "Yes"));(alert "If all settings were selected, PDFs have been made of all layout sheets and saved in the PDFs folder for this project.They were saved as Project Name-Layout Name");
作为参考，我有一个代码来计算每个变量并显示一条消息。
(if (= nil PDFPS) (alert "No paper size was selected.Please cancel command and select paper size.") (strcat PDFPS)) 这是您的代码，缩进：
^C^C^C
(foreach LL (layoutlist)
(setvar "ctab" LL)
(command
(setq DL (substr (getvar "dwgprefix") 1 (- (strlen (getvar "dwgprefix")) 13)))
(setq DN (substr (getvar "dwgname") 1 (- (strlen (getvar "dwgname")) 4)))
(strcat DL DN);
(setq FS (strcat DL "52 PDFs" (chr 92) DN "-" (getvar "CTAB") ".pdf"))
"plot" "yes" "" "AutoCAD PDF (General Documentation)" PDFPS
"Inches" PLO "No" "Extents" "1:1" "Center" "Yes" PST "Yes" "No" "No" "No" FS "Yes" "Yes" "Yes"
)
)
(alert
"If all settings were selected, PDFs have been made of all layout sheets and
saved in the PDFs folder for this project.They were saved as Project Name-Layout Name"
)
适当结构的示例如下（红色修正）：
(defun C:PlotMyLayouts ( / DL DN FS PDFPS PLO PST ) ; Localise your variables (everything that is used with setq function)
(if
(and
(setq DL ...)
(setq DN ...)
(setq FS ...)
(setq PDFPS ...)
(setq PLO ...)
(setq PST ...)
)
(progn
(foreach LL (layoutlist)
(setvar "ctab" LL)
(command
DL
DN
(strcat DL DN);
FS
"plot" "yes" "" "AutoCAD PDF (General Documentation)" PDFPS
"Inches" PLO "No" "Extents" "1:1" "Center" "Yes" PST "Yes" "No" "No" "No" FS "Yes" "Yes" "Yes"
); command
); foreach
(alert
"If all settings were selected, PDFs have been made of all layout sheets and
saved in the PDFs folder for this project.They were saved as Project Name-Layout Name"
)
); progn
); if
(princ)
); defun
顺便说一句，您可以使用：
(setq DN (cadr (fnsplitl (getvar 'dwgname)))) 谢谢你的回复。我正在尝试在不使用外部LSP文件的情况下在命令行上执行所有操作。我正在评估的变量是使用我创建的按钮来分别设置变量的。然后用户可以使用按钮创建设置。
第二个代码做什么？ 它确实。。。没有什么实际上，这是一个例子，如何在评估命令调用之前输入/填充所有变量，
简而言之：代码检查您输入的所有内容是否正常，然后继续打印，否则您只需使命令崩溃（代码错误退出）。
更简单的例子：
(if
(and
(setq pdfSaveDirectory ...)
(setq pdfName ...)
(setq PaperSize ...)
)
(command "_.PLOT" ... )
)
不过，我不想用这段代码设置变量，我只是想验证它们的值不为零。这里的setq意味着它们将被设置为我在代码中输入的值？代码崩溃正是我希望它能做到的。以下是设置的图像：
https://www.cadtutor.net/forum/image/png;base64，Ivborw0kgoaaaansuheugaabncaaabncaaaaaakoxvfaaagagaeleqvr4no2de5qcvz3h2z17zj5ezxfdb8d18yr4skbb3epzrsdjmbniijlhqsghiv08rbcgphkmdcyjecekzmaih8vgbrjgu1mqldxrfgqr2aadmv9sioboezbujsvsqarkprap+rRt27de+vR91bd6vl+to423vw3fs9777e7erqwbnmy6dong2fyrwr2v9ajzz0ofxcllllcxihghdymj3j 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 Whats the reason not to set the variables as long as they are localised?
However try this (I don't know how to set it to a macro):
(if (and PDFPS PLO PST)(progn (foreach LL (layoutlist) (setvar "ctab" LL) (command (setq DL (substr (getvar "dwgprefix") 1 (- (strlen (getvar "dwgprefix")) 13))) (setq DN (substr (getvar "dwgname") 1 (- (strlen (getvar "dwgname")) 4))) (strcat DL DN); (setq FS (strcat DL "52 PDFs" (chr 92) DN "-" (getvar "CTAB") ".pdf")) "plot" "yes" "" "AutoCAD PDF (General Documentation)" PDFPS "Inches" PLO "No" "Extents" "1:1" "Center" "Yes" PST "Yes" "No" "No" "No" FS "Yes" "Yes" "Yes" ) ) (alert "If all settings were selected, PDFs have been made of all layout sheets and saved in the PDFs folder for this project. They were saved as Project Name-Layout Name" ))(cond ((not PDFPS) (alert "\n\"PDFPS\" was nil!")) ((not PLO) (alert "\n\"PLO\" was nil!")) ((not PST) (alert "\n\"PST\" was nil!"))))
And BTW the images you've uploaded are not loading. A couple of suggestions
If you running this a a macro then make it ^c^c^c(load "plotroutine") so it loads a lisp.
Have a look at a prefilled dialouge you can put the current value into the boxes and check for any that have not been filled in and ask the question continue or exit completey, the continue will open the dialouge again the exit is just that use (exit) it will end the lisp.
Re dialouge you can have say 3 lists so the user can choose the correct option. Me I just have multiple options in a menu so users picks what they want.
The reason for that is that way I have everything set up.I have a panel on the ribbon to select paper size, plot styles, and orientations.They set the variables that I use in this code.It just makes it easier to use in my opinion.I will try the code that you posted out.
EDIT:This works perfectly, thank you very much for your help!
Here is the code I ended up using:
^C^C^C(if (and PDFPS PLO PST) (progn (foreach LL (layoutlist) (setvar "ctab" LL) (command (setq DL (substr (getvar "dwgprefix") 1 (- (strlen (getvar "dwgprefix")) 13))) (setq DN (substr (getvar "dwgname") 1 (- (strlen (getvar "dwgname")) 4))) (strcat DL DN); (setq FS (strcat DL "52 PDFs" (chr 92) DN "-" (getvar "CTAB") ".pdf")) "plot" "yes" "" "DWG to PDF" PDFPS "Inches" PLO "No" "Extents" "1:1" "Center" "Yes" PST "Yes" "No" "No" "No" FS "Yes" "Yes" "Yes")) (alert "PDFs have been made of all layout sheets and saved in the PDFs folder for this project.They were saved as Project Name-Layout Name")) (cond ((not PDFPS) (alert "No paper size was selected.Please select paper size and restart command.")) ((not PLO) (alert "No orientation was selected.Please select orientation and restart command.")) ((not PST) (alert "No plot style was selected.Please select plot style and restart command.")))); Again I suggest your code is ^c^c^c(load "a lisp file to be run")
Another suggestion http://www.lee-mac.com/listbox.html this is a great little program for allowing selection form dialouge lists, you could add it easy to your existing routine asking for input forPDFPS PLO PST. This way only 1 program.
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