转换函数

(angtof string [mode])

将表示角度的字符串转换为以弧度表示的实数（浮点）值

(angtos angle [mode [precision]])

将以弧度表示的角度值转换为字符串

(ascii string)

将字符串的第一个字符转换为其 Unicode 字符代码并返回结果（一个整数）

(atof string)

返回字符串转换为实数的结果

(atoi string)

返回字符串转换为整数的结果

(chr integer)

将表示 Unicode 字符代码的整数转换为单字符字符串

(cvunit value from to)

将值从一种测量单位转换为另一种测量单位

(distof string [mode])

将表示实数（浮点）值的字符串转换为实数值

(itoa int)

返回整数转换为字符串的结果

(rtos number [mode [precision]])

将数字转换为字符串

(trans pt from to [disp])

将点（或位移）从一个坐标系转换到另一个坐标系

注册表函数

(vl-registry-delete reg-key [val-name])

Deletes the specified key from the Windows Registry or property list file on Mac OS

(vl-registry-descendents reg-key [val-names])

Returns a list of subkeys or value names for the specified key of the Windows Registry or property list file on Mac OS

(vl-registry-read reg-key [val-name])

Returns data stored by a specific key/value pair in the Windows Registry or property list file on Mac OS

(vl-registry-write reg-key [val-name val-data])

Creates a key in the Windows Registry or property list file on Mac OS

(vlax-machine-product-key)

Returns the AutoCAD Windows Registry path in the HKLM (HKEY_LOCAL_MACHINE) 注意:Available on Windows only and requires a call to the vl-load-com function.

(vlax-product-key)

Returns the AutoCAD Windows Registry path (Obsolete) 注意:Use the vlax-machine-product-key function instead.

(vlax-user-product-key)

Returns the AutoCAD Windows registry path in the HKCU (HKEY_CURRENT_USER) 注意:Available on Windows only and requires a call to the vl-load-com function.

vlx 名空间函数

(vl-arx-import [ function | application])

Imports ADS-DEFUN functions into a separate-namespace VLX

(vl-doc-export ‘function)

Makes a function loaded in a VLX namespace available to the current document

(vl-doc-import [‘function | application])

Imports a function that was previously exported from another separate-namespace VLX

(vl-doc-ref symbol)

Retrieves the value of a variable from the namespace of the associated document

(vl-doc-set symbol value)

Sets the value of a variable in the associated document’s namespace

(vl-exit-with-error “msg”)

Passes control from a VLX error handler to the error function of the associated document namespace

(vl-exit-with-value value)

Returns a value to the document namespace from which the VLX was invoked

(vl-list-exported-functions [“appname”])

Lists all functions exported by the specified application, or all exported functions if no application is specified

(vl-list-loaded-vlx)

Returns a list of all separate-namespace VLX files associated with the current document

(vl-unload-vlx “appname”)

Unloads a VLX that is loaded in its own namespace (a separate-namespace VLX)

(vl-vlx-loaded-p “appname”)

Determines whether a VLX is loaded in its own namespace

用户输入函数

(entsel [msg])

Prompts the user to select a single object (entity) by specifying a point

(getangle [pt] [msg])

Pauses for user input of an angle, and returns that angle in radians

(getcorner pt [msg])

Pauses for user input of a rectangle’s second corner

(getdist [pt] [msg])

Pauses for user input of a distance

(getfiled title default ext flags)

Prompts the user for a file name with the standard AutoCAD file dialog box, and returns that file name

(getint [msg])

Pauses for user input of an integer, and returns that integer

(getkword [msg])

Pauses for user input of a keyword, and returns that keyword

(getorient [pt] [msg])

Pauses for user input of an angle, and returns that angle in radians

(getpoint [pt] [msg])

Pauses for user input of a point, and returns that point

(getreal [msg])

Pauses for user input of a real number, and returns that real number

(getstring [cr] [msg])

Pauses for user input of a string, and returns that string

(initget [bits] [string])

Establishes keywords for use by the next user input function call

(nentsel [msg])

Prompts the user to select an object (entity) by specifying a point, and provides access to the definition data contained within a complex object

(nentselp [msg] [pt])

Provides similar functionality to that of the nentsel function without the need for user input

符号表和字典处理函数

(dictadd ename symbol newobj)

Adds a non-graphical object to the specified dictionary

(dictnext ename symbol [rewind])

Finds the next item in a dictionary

(dictremove ename symbol)

Removes an entry from the specified dictionary

(dictrename ename oldsym newsym)

Renames a dictionary entry

(dictsearch ename symbol [setnext])

Searches a dictionary for an item

(layoutlist)

Returns a list of all paper space layouts in the current drawing

(namedobjdict)

Returns the entity name of the current drawing’s named object dictionary, which is the root of all non-graphical objects in the drawing

(setview view_description [vport_id])

Establishes a view for a specified viewport

(snvalid sym_name)

Checks the symbol table name for valid characters

(tblnext table-name [rewind])

Finds the next item in a symbol table

(tblobjname table-name symbol)

Returns the entity name of a specified symbol table entry

(tblsearch table-name symbol [setnext])

Searches a symbol table for a symbol name

(vlax-ldata-delete dict key)

Erases AutoLISP data from a drawing dictionary 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-ldata-get dict key [default-data])

Retrieves AutoLISP data from a drawing dictionary 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-ldata-list dict)

Lists AutoLISP data in a drawing dictionary 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-ldata-put dict key data)

Stores AutoLISP data in a drawing dictionary 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-ldata-test data)

Determines whether data can be saved over a session boundary 注意:Extended AutoLISP extension: requires vl-load-com

符号处理函数

(atom item)

Verifies that an item is an atom

(atoms-family format [symlist])

Returns a list of the currently defined symbols

(boundp sym)

Verifies whether a value is bound to a symbol

(not item)

Verifies that an item evaluates to nil

(null item)

Verifies that an item is bound to nil

(numberp item)

Verifies that an item is a real or an integer

(quote expr)

Returns an expression without evaluating it

(set sym expr)

Sets the value of a quoted symbol name to an expression

(setq sym1 expr1 [sym2 expr2 …])

Sets the value of a symbol or symbols to associated expressions

(type item)

Returns the type of a specified item

(vl-symbol-name symbol)

Returns a string containing the name of a symbol

(vl-symbol-value symbol)

Returns the current value bound to a symbol

(vl-symbolp object)

Identifies whether or not a specified object is a symbol

字符串处理函数

(read [string])

返回从字符串获取的第一个列表或 atom

(strcase string [which])

返回字符串，其中的所有字母字符都被转换为大写或小写

(strcat [string1 [string2 …])

返回一个由多个字符串连接而成的字符串

(strlen [string …])

返回一个整数，即字符串中的字符数

(substr string start [length])

返回字符串的子字符串

(vl-prin1-to-string object)

返回任何 LISP 对象的字符串表示，就像它是由 prin1 函数输出一样

(vl-princ-to-string object)

返回任何 LISP 对象的字符串表示，就像它是由 princ 函数输出一样

(vl-string->list string)

将字符串转换为 Unicode 字符代码列表

(vl-string-elt string position)

返回字符串中指定位置处字符的 Unicode 表示形式

(vl-string-left-trim character-set string)

从字符串开头删除指定字符

(vl-string-mismatch str1 str2 [pos1 pos2 ignore-case-p])

返回两个字符串从指定位置开始的最长公共前缀的长度

(vl-string-position char-code str [ start-pos [from-end-p]])

查找字符串中具有指定 Unicode 代码的字符

(vl-string-right-trim character-set string)

从字符串末尾删除指定字符

(vl-string-search pattern string [ start-pos])

在字符串中搜索指定图案

(vl-string-subst new-str pattern string [start-pos])

在字符串中将一个字符串替换另一个字符串

(vl-string-translate source-set dest-set str)

将字符串中的字符替换为指定的字符集

(vl-string-trim char-set str)

从字符串的开头和结尾删除指定字符

(wcmatch string pattern)

对字符串执行通配符模式匹配

选择集操作函数

(ssadd [ename [ss]])

Adds an object (entity) to a selection set, or creates a new selection set

(ssdel ename ss)

Deletes an object (entity) from a selection set

(ssget [mode] [pt1 [pt2]] [pt-list] [filter-list])

Prompts the user to select objects (entities), and returns a selection set

(ssgetfirst)

Determines which objects are selected and gripped

(sslength ss)

Returns an integer containing the number of objects (entities) in a selection set

(ssmemb ename ss)

Tests whether an object (entity) is a member of a selection set

(ssname ss index)

Returns the object (entity) name of the indexed element of a selection set

(ssnamex ss index)

Retrieves information about how a selection set was created

(sssetfirst gripset [pickset])

Sets which objects are selected and gripped

查询和命令函数

(acad_colordlg colornum [flag])

Displays the standard AutoCAD Color Selection dialog box

(acad_helpdlg helpfile topic)

Invokes the Help facility (obsolete)

(command [arguments] …)

Executes an AutoCAD command

(command-s [arguments] …)

Executes an AutoCAD command and the supplied input

(getcfg cfgname)

Retrieves application data from the AppData section of the acadXXXX.cfg file

(getcname cname)

Retrieves the localized or English name of an AutoCAD command

(getenv “variable-name”)

Returns the string value assigned to an environment variable

(getvar “varname”)

Retrieves the value of an AutoCAD system variable

(help [helpfile [topic [command]]])

Invokes the Help facility

(setcfg cfgname cfgval)

Writes application data to the AppData section of the acadXXXX.cfg file

(setenv “varname” “value”)

Sets an environment variable to a specified value

(setfunhelp “c:fname” [“helpfile” [“topic” [“command”]]])

Registers a user-defined command with the Help facility so the appropriate help file and topic are called when the user requests help on that command

(setvar “varname” value)

Sets an AutoCAD system variable to a specified value

(ver)

Returns a string that contains the current AutoLISP version number

(vl-cmdf [arguments] …)

Executes an AutoCAD command after evaluating arguments

(vlax-add-cmd global-name func-sym [local-name cmd-flags])

Adds commands to a group 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-remove-cmd global-name)

Removes a single command or command group 注意:Extended AutoLISP extension: requires vl-load-com

对象处理函数

(dumpallproperties ename [context])

Retrieves an entity’s supported properties

(entdel ename)

Deletes objects (entities) or restores previously deleted objects

(entget ename [applist])

Retrieves an object’s definition data

(entlast)

Returns the name of the last non-deleted main object in the drawing

(entmake [elist])

Creates a new entity (graphical object) in the drawing

(entmakex [elist])

Makes a new object, gives it a handle and entity name (but does not assign an owner), and then returns the new entity name

(entmod elist)

Modifies the definition data of an object

(entnext [ename])

Returns the name of the next object in the drawing

(entupd ename)

Updates the screen image of an object

(getpropertyvalue ename propertyname [or collectionName index name])

Returns the current value of an entity’s property

(handent handle)

Returns an object name based on its handle

(ispropertyreadonly ename propertyname [or collectionName index name])

Returns the read-only state of an entity’s property

(setpropertyvalue ename propertyname value [or collectionname index name val])

Sets the property value for an entity

(vlax-dump-object obj)

Lists an object’s methods and properties 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-erased-p obj)

Determines whether an object was erased 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-get-acad-object)

Retrieves the top-level AutoCAD application object for the current AutoCAD session 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-method-applicable-p obj method)

Determines whether an object supports a particular method 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-object-released-p obj)

Determines whether an object has been released 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-read-enabled-p obj)

Determines whether an object can be read 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-release-object obj)

Releases a drawing object 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-typeinfo-available-p obj)

Determines whether type library information is present for the specified type of object 注意:Extended AutoLISP extension: requires vl-load-com

(vlax-write-enabled-p obj)

Determines whether an AutoCAD drawing object can be modified 注意:Extended AutoLISP extension: requires vl-load-com

名空间通信函数

(vl-bb-ref ‘variable)

Returns the value of a variable from the blackboard namespace

(vl-bb-set ‘variable value)

Sets the value of a variable in the blackboard namespace

(vl-load-all “filename”)

Loads a file into all open AutoCAD documents, and into any document subsequently opened during the current AutoCAD session

(vl-propagate ‘variable)

Copies the value of a variable into all open AutoCAD documents, and into any document subsequently opened during the current AutoCAD session

内存操作函数

(alloc int)

Sets the segment size to a given number of nodes

(expand number)

Allocates node space by requesting a specified number of segments

(gc)

Forces a garbage collection, which frees up unused memory

(mem)

Displays the current state of memory in AutoLISP

表操作函数

(acad_strlsort lst)

Sorts a list of strings by alphabetical order

(append lst …)

Takes any number of lists and runs them together as one list

(assoc item alist)

Searches an association list for an element and returns that association list entry

(caddr lst)

Returns the third element of a list

(cadr lst)

Returns the second element of a list

(car lst)

Returns the first element of a list

(cdr lst)

Returns the specified list, except for the first element of the list

(cons new-first-element lst)

The basic list constructor

(foreach name lst [expr …])

Evaluates expressions for all members of a list

(last lst)

Returns the last element in a list

(length lst)

Returns an integer indicating the number of elements in a list

(list [expr …])

Takes any number of expressions and combines them into one list

(listp item)

Verifies that an item is a list

(mapcar function list1 … listn)

Returns a list of the result of executing a function with the individual elements of a list or lists supplied as arguments to the function

(member expr lst)

Searches a list for an occurrence of an expression and returns the remainder of the list, starting with the first occurrence of the expression

(nth n lst)

Returns the nth element of a list

(reverse lst)

Returns a list with its elements reversed

(subst newitem olditem lst)

Searches a list for an old item and returns a copy of the list with a new item substituted in place of every occurrence of the old item

(vl-consp list-variable)

Determines whether or not a list is nil

(vl-every predicate-function list [ more-lists …])

Checks whether the predicate is true for every element combination

(vl-list* object [more-objects …])

Constructs and returns a list

(vl-list->string char-codes-list)

Combines the Unicode characters associated with a list of integers into a string

(vl-list-length list-or-cons-object)

Calculates list length of a true list

(vl-member-if predicate-function list)

Determines whether the predicate is true for one of the list members

(vl-member-if-not predicate-function list)

Determines whether the predicate is nil for one of the list members

(vl-position symbol list)

Returns the index of the specified list item

(vl-remove element-to-remove list)

Removes elements from a list

(vl-remove-if predicate-function list)

Returns all elements of the supplied list that fail the test function

(vl-remove-if-not predicate-function list)

Returns all elements of the supplied list that pass the test function

(vl-some predicate-function list [more-lists …])

Checks whether the predicate is not nil for one element combination

(vl-sort list comparison-function)

Sorts the elements in a list according to a given compare function

(vl-sort-i list comparison-function)

Sorts the elements in a list according to a given compare function, and returns the element index numbers

(vl-string->list string)

Converts a string into a list of Unicode character codes

几何函数

(angle pt1 pt2)

Returns an angle in radians of a line defined by two endpoints

(distance pt1 pt2)

Returns the 3D distance between two points

(inters pt1 pt2 pt3 pt4 [onseg])

Finds the intersection of two lines

(osnap pt mode)

Returns a 3D point that is the result of applying an Object Snap mode to a specified point

(polar pt ang dist)

Returns the UCS 3D point at a specified angle and distance from a point

(textbox elist)

Measures a specified text object, and returns the diagonal coordinates of a box that encloses the text

函数处理函数

(apply function lst)

Passes a list of arguments to a specified function

(defun sym ([arguments] [/variables …]) expr … )

Defines a function

(defun-q sym ([arguments] [/ variables …]) expr …)

Defines a function as a list (intended for backward-compatibility only)

(defun-q-list-ref ‘function)

Displays the list structure of a function defined with defun-q

(defun-q-list-set ‘sym list)

Defines a function as a list (intended for backward-compatibility only)

(eval expr)

Returns the result of evaluating an AutoLISP expression

(lambda arguments expr …)

Defines an anonymous function

(progn [expr …])

Evaluates each expression sequentially, and returns the value of the last expression

(trace function …)

Aids in AutoLISP debugging

(untrace function …)

Clears the trace flag for the specified functions

文件处理函数

(close file-desc)

Closes an open file

(findfile filename)

Searches the AutoCAD library path for the specified file

(findtrustedfile filename)

Searches the AutoCAD trusted file paths for the specified file

(open filename mode)

Opens a file for access by the AutoLISP I/O functions

(read-char [file-desc])

Returns the decimal ASCII code representing the character read from the keyboard input buffer or from an open file (read-line [file-desc]) Reads a string from the keyboard or from an open file

(vl-directory-files [ directory pattern directories])

Lists all files in a given directory

(vl-file-copy “source-filename” “destination-filename” [append])

Copies or appends the contents of one file to another file

(vl-file-delete “filename”)

Deletes a file

(vl-file-directory-p “filename”)

Determines if a file name refers to a directory

(vl-file-rename “old-filename” “new-filename”)

Renames a file

(vl-file-size “filename”)

Determines the size of a file, in bytes

(vl-file-systime “filename”)

Returns last modification time of the specified file

(vl-filename-base “filename”)

Returns the name of a file, after stripping out the directory path and extension

(vl-filename-directory “filename”)

Returns the directory path of a file, after stripping out the name and extension

(vl-filename-extension “filename”)

Returns the extension from a file name, after stripping out the rest of the name

(vl-filename-mktemp [“pattern” “directory” “extension”])

Calculates a unique file name to be used for a temporary file

(write-char num [file-desc])

Writes one character to the screen or to an open file

(write-line string [file-desc])

Writes a string to the screen or to an open file

扩展数据处理函数

(regapp application)

Registers an application name with the current AutoCAD drawing in preparation for using extended object data

(xdroom ename)

Returns the amount of extended data (xdata) space that is available for an object (entity)

(xdsize lst)

Returns the size (in bytes) that a list occupies when it is linked to an object (entity) as extended data

错误处理函数

(error string)

A user-definable error-handling function

(pop-error-mode)

Error-handling function that ends the previous call to push-error-using-command or push-error-using-stack

(push-error-using-command)

Error-handling function that indicates the use of the command function within a custom error handler

(push-error-using-stack)

Error-handling function that indicates the use of variables from the AutoLISP stack within a custom error handler

(alert string)

Displays an alert dialog box with the error or warning message passed as a string

(exit)

Forces the current application to quit

(quit)

Forces the current application to quit

(vl-catch-all-apply ‘function list)

Passes a list of arguments to a specified function and traps any exceptions

(vl-catch-all-error-message error-obj)

Returns a string from an error object

(vl-catch-all-error-p arg)

Determines whether an argument is an error object returned from vl-catch-all-apply

比较与条件函数

(= numstr [numstr …])

Returns T if all arguments are numerically equal, and returns nil otherwise

(/= numstr [numstr …])

Returns T if the arguments are not numerically equal, and nil if the arguments are numerically equal

(< numstr [numstr …])

Returns T if each argument is numerically less than the argument to its right, and returns nil otherwise

(<= numstr [numstr …])

Returns T if each argument is numerically less than or equal to the argument to its right, and returns nil otherwise

(> numstr [numstr …])

Returns T if each argument is numerically greater than the argument to its right, and returns nil otherwise

(>= numstr [numstr …])

Returns T if each argument is numerically greater than or equal to the argument to its right, and returns nil otherwise

(and [expr …])

Returns the logical AND of a list of expressions

(boole func int1 [int2 …])

Serves as a general bitwise Boolean function

(cond [(test result …) …])

Serves as the primary conditional function for AutoLISP

(eq expr1 expr2)

Determines whether two expressions are identical

(equal expr1 expr2 [fuzz])

Determines whether two expressions are equal

(if testexpr thenexpr [elseexpr])

Conditionally evaluates expressions

(or [expr …])

Returns the logical OR of a list of expressions

(repeat int [expr …])

Evaluates each expression a specified number of times, and returns the value of the last expression

(while testexpr [expr …])

Evaluates a test expression, and if it is not nil, evaluates other expressions; repeats this process until the test expression evaluates to nil

显示控制函数

(graphscr)

Displays the AutoCAD graphics screen

(grdraw from to color [highlight])

Draws a vector between two points, in the current viewport

(grtext [box text [highlight]])

Writes text to the status line or to screen menu areas

(grvecs vlist [trans])

Draws multiple vectors on the graphics screen

(menucmd string)

Issues menu commands, or sets and retrieves menu item status

(menugroup groupname)

Verifies that a menu group is loaded

(prin1 [expr [file-desc]])

Prints an expression to the command line or writes an expression to an open file

(princ [expr [file-desc]])

Prints an expression to the command line, or writes an expression to an open file

(print [expr [file-desc]])

Prints an expression to the command line, or writes an expression to an open file

(prompt msg)

Displays a string on your screen’s prompt area

(redraw [ename [mode]])

Redraws the current viewport or a specified object (entity) in the current viewport

(terpri)

Prints a newline to the Command line

(textpage)

Switches from the graphics screen to the text screen

(textscr)

Switches from the graphics screen to the text screen (like the AutoCAD Flip Screen function key)

(vports)

Returns a list of viewport descriptors for the current viewport configuration

设备存取函数

(grread [track] [allkeys [curtype]])

Reads values from any of the AutoCAD input devices

(tablet code [row1 row2 row3 direction])

Retrieves and sets digitizer (tablet) calibrations

数学函数

(+ [number number …])

Returns the sum of all numbers

(- [number number …])

Subtracts the second and following numbers from the first and returns the difference

(* [number number …])

Returns the product of all numbers

(/ [number number …])

Divides the first number by the product of the remaining numbers and returns the quotient

(~ int)

Returns the bitwise NOT (1’s complement) of the argument

(1+ number)

Returns the argument increased by 1 (incremented)

(1- number)

Returns the argument reduced by 1 (decremented)

(abs number)

Returns the absolute value of the argument

(atan num1 [num2])

Returns the arctangent of a number in radians

(cos ang)

Returns the cosine of an angle expressed in radians

(exp number)

Returns the constant e (a real) raised to a specified power (the natural antilog)

(expt base power)

Returns a number raised to a specified power

(fix number)

Returns the conversion of a real into the nearest smaller integer

(float number)

Returns the conversion of a number into a real

(gcd int1 int2)

Returns the greatest common denominator of two integers

(log number)

Returns the natural log of a number as a real

(logand [int int …])

Returns the result of the logical bitwise AND of a list of integers

(logior [int int …])

Returns the result of the logical bitwise inclusive OR of a list of integers

(lsh [int numbits])

Returns the logical bitwise shift of an integer by a specified number of bits

(max [number number …])

Returns the largest of the numbers given

(min [number number …])

Returns the smallest of the numbers given

(minusp number)

Verifies that a number is negative

(rem [num1 num2 …])

Divides the first number by the second, and returns the remainder

(sin ang)

Returns the sine of an angle as a real expressed in radians

(sqrt number)

Returns the square root of a number as a real

(zerop number)

Verifies that a number evaluates to zero

应用处理函数

(arx)

Returns a list of the currently loaded ObjectARX applications

(arxload application [onfailure])

Loads an ObjectARX application

(arxunload application [onfailure])

Unloads an ObjectARX application

(autoarxload filename cmdlist)

Predefines command names to load an associated ObjectARX file

(autoload filename cmdlist)

Predefines command names to load an associated AutoLISP file

(initdia [dialogflag])

Forces the display of the next command’s dialog box

(load filename [onfailure])

Evaluates the AutoLISP expressions in a file

(showhtmlmodalwindow uri)

Displays a modal dialog box with a specified URI (Uniform Resource Identifier)

(startapp appcmd file)

Starts a Windows application

(vl-load-all filename)

Loads a file into all open AutoCAD documents

(vl-vbaload “filename”)

Loads a VBA project

(vl-vbarun “macroname”)

Runs a VBA macro

(vlax-add-cmd “global-name” ‘func-sym [“local-name” cmd-flags])

Adds commands to the AutoCAD built-in command set 注意:Extended AutoLISP extension: requires vl-load-com