- 1 - 介绍
- 2.1 - 语法约定
- 2.10.1 - 垃圾收集的元方法
- 2.10.2 - Weak Table（弱表）
- 2.10 - 垃圾收集
- 2.11 - Coroutine （协同例程）
- 2.2.1 - 强制转换
- 2.2 - 值与类型
- 2.3 - 变量
- 2.4.1 - Chunk（语句组）
- 2.4.2 - 语句块
- 2.4.3 - 赋值
- 2.4.4 - 控制结构
- 2.4.5 - For 语句
- 2.4.6 - 把函数调用作为语句段
- 2.4.7 - 局部变量声名
- 2.4 - 语句段（Statement）
- 2.5.1 - 数学运算操作符
- 2.5.2 - 比较操作符
- 2.5.3 - 逻辑操作符
- 2.5.4 - 连接符
- 2.5.5 - 取长度操作符
- 2.5.6 - 优先级
- 2.5.7 - Table 构造
- 2.5.8 - 函数调用
- 2.5.9 - 函数定义
- 2.5 - 表达式
- 2.6 - 可视规则
- 2.7 - 错误处理
- 2.8 - Metatable（元表）
- 2.9 - 环境
- 2 - 语言
- 3.1 - 堆栈
- 3.2 - 堆栈尺寸
- 3.3 - 伪索引
- 3.4 - C Closure
- 3.5 - 注册表
- 3.6 - C 中的错误处理
- 3.7 - 函数和类型
- 3.8 - 调试接口
- 3 - 程序接口（API）
- 4.1 - Functions and Types
- 4 - The Auxiliary Library
- 5.1 - Basic Functions
- 5.2 - Coroutine Manipulation
- 5.3 - Modules
- 5.4 - String Manipulation
- 5.5 - Table Manipulation
- 5.6 - Mathematical Functions
- 5.7 - Input and Output Facilities
- 5.8 - Operating System Facilities
- 5.9 - The Debug Library
- 5 - Standard Libraries
- 6 - Lua Stand-alone
- 7.1 - Changes in the Language
- 7.2 - Changes in the Libraries
- 7.3 - Changes in the API
- 7 - Incompatibilities with the Previous Version
- 8 - The Complete Syntax of Lua
- Captures
- Character Class:
- luaL_addchar
- luaL_addlstring
- luaL_addsize
- luaL_addstring
- luaL_addvalue
- luaL_argcheck
- luaL_argerror
- luaL_Buffer
- luaL_buffinit
- luaL_callmeta
- luaL_checkany
- luaL_checkint
- luaL_checkinteger
- luaL_checklong
- luaL_checklstring
- luaL_checknumber
- luaL_checkoption
- luaL_checkstack
- luaL_checkstring
- luaL_checktype
- luaL_checkudata
- luaL_dofile
- luaL_dostring
- luaL_error
- luaL_getmetafield
- luaL_getmetatable
- luaL_gsub
- luaL_loadbuffer
- luaL_loadfile
- luaL_loadstring
- luaL_newmetatable
- luaL_newstate
- luaL_openlibs
- luaL_optint
- luaL_optinteger
- luaL_optlong
- luaL_optlstring
- luaL_optnumber
- luaL_optstring
- luaL_prepbuffer
- luaL_pushresult
- luaL_ref
- luaL_Reg
- luaL_register
- luaL_typename
- luaL_typerror
- luaL_unref
- luaL_where
- lua_Alloc
- lua_atpanic
- lua_call
- lua_CFunction
- lua_checkstack
- lua_close
- lua_concat
- lua_cpcall
- lua_createtable
- lua_Debug
- lua_dump
- lua_equal
- lua_error
- lua_gc
- lua_getallocf
- lua_getfenv
- lua_getfield
- lua_getglobal
- lua_gethook
- lua_gethookcount
- lua_gethookmask
- lua_getinfo
- lua_getlocal
- lua_getmetatable
- lua_getstack
- lua_gettable
- lua_gettop
- lua_getupvalue
- lua_Hook
- lua_insert
- lua_Integer
- lua_isboolean
- lua_iscfunction
- lua_isfunction
- lua_islightuserdata
- lua_isnil
- lua_isnumber
- lua_isstring
- lua_istable
- lua_isthread
- lua_isuserdata
- lua_lessthan
- lua_load
- lua_newstate
- lua_newtable
- lua_newthread
- lua_newuserdata
- lua_next
- lua_Number
- lua_objlen
- lua_pcall
- lua_pop
- lua_pushboolean
- lua_pushcclosure
- lua_pushcfunction
- lua_pushfstring
- lua_pushinteger
- lua_pushlightuserdata
- lua_pushlstring
- lua_pushnil
- lua_pushnumber
- lua_pushstring
- lua_pushthread
- lua_pushvalue
- lua_pushvfstring
- lua_rawequal
- lua_rawget
- lua_rawgeti
- lua_rawset
- lua_rawseti
- lua_Reader
- lua_register
- lua_remove
- lua_replace
- lua_resume
- lua_setallocf
- lua_setfenv
- lua_setfield
- lua_setglobal
- lua_sethook
- lua_setlocal
- lua_setmetatable
- lua_settable
- lua_settop
- lua_setupvalue
- lua_State
- lua_status
- lua_toboolean
- lua_tocfunction
- lua_tointeger
- lua_tolstring
- lua_tonumber
- lua_topointer
- lua_tostring
- lua_tothread
- lua_touserdata
- lua_type
- lua_typename
- lua_Writer
- lua_xmove
- lua_yield
- Pattern:
- Pattern Item:
- assert (v [, message])
- collectgarbage (opt [, arg])
- coroutine.create (f)
- coroutine.resume (co [, val1, ···])
- coroutine.running ()
- coroutine.status (co)
- coroutine.wrap (f)
- coroutine.yield (···)
- debug.debug ()
- debug.getfenv (o)
- debug.gethook ([thread])
- debug.getinfo ([thread,] function [, what])
- debug.getlocal ([thread,] level, local)
- debug.getmetatable (object)
- debug.getregistry ()
- debug.getupvalue (func, up)
- debug.setfenv (object, table)
- debug.sethook ([thread,] hook, mask [, count])
- debug.setlocal ([thread,] level, local, value)
- debug.setmetatable (object, table)
- debug.setupvalue (func, up, value)
- debug.traceback ([thread,] [message])
- dofile (filename)
- error (message [, level])
- getfenv (f)
- getmetatable (object)
- io.close ([file])
- io.flush ()
- io.input ([file])
- io.lines ([filename])
- io.open (filename [, mode])
- io.output ([file])
- io.popen ([prog [, mode]])
- io.read (···)
- io.tmpfile ()
- io.type (obj)
- io.write (···)
- ipairs (t)
- load (func [, chunkname])
- loadfile ([filename])
- loadstring (string [, chunkname])
- math.abs (x)
- math.acos (x)
- math.asin (x)
- math.atan (x)
- math.atan2 (x, y)
- math.ceil (x)
- math.cos (x)
- math.cosh (x)
- math.deg (x)
- math.exp (x)
- math.floor (x)
- math.fmod (x, y)
- math.frexp (x)
- math.huge
- math.ldexp (m, e)
- math.log (x)
- math.log10 (x)
- math.max (x, ···)
- math.min (x, ···)
- math.modf (x)
- math.pi
- math.pow (x, y)
- math.rad (x)
- math.random ([m [, n]])
- math.randomseed (x)
- math.sin (x)
- math.sinh (x)
- math.sqrt (x)
- math.tan (x)
- math.tanh (x)
- module (name [, ···])
- next (table [, index])
- os.clock ()
- os.date ([format [, time]])
- os.difftime (t2, t1)
- os.execute ([command])
- os.exit ([code])
- os.getenv (varname)
- os.remove (filename)
- os.rename (oldname, newname)
- os.setlocale (locale [, category])
- os.time ([table])
- os.tmpname ()
- package.cpath
- package.loaded
- package.loadlib (libname, funcname)
- package.path
- package.preload
- package.seeall (module)
- pairs (t)
- pcall (f, arg1, ···)
- print (···)
- rawequal (v1, v2)
- rawget (table, index)
- rawset (table, index, value)
- require (modname)
- select (index, ···)
- setfenv (f, table)
- setmetatable (table, metatable)
- string.byte (s [, i [, j]])
- string.char (···)
- string.dump (function)
- string.find (s, pattern [, init [, plain]])
- string.format (formatstring, ···)
- string.gmatch (s, pattern)
- string.gsub (s, pattern, repl [, n])
- string.len (s)
- string.lower (s)
- string.match (s, pattern [, init])
- string.rep (s, n)
- string.reverse (s)
- string.sub (s, i [, j])
- string.upper (s)
- table.concat (table [, sep [, i [, j]]])
- table.insert (table, [pos,] value)
- table.maxn (table)
- table.remove (table [, pos])
- table.sort (table [, comp])
- tonumber (e [, base])
- tostring (e)
- type (v)
- unpack (list [, i [, j]])
- xpcall (f, err)
- _G
- _VERSION
- file:close ()
- file:flush ()
- file:lines ()
- file:read (...)
- file:seek ([whence] [, offset])
- file:setvbuf (mode [, size])
- file:write (...)
文章来源于网络收集而来，版权归原创者所有，如有侵权请及时联系！
2.2.1 - 强制转换
Lua 提供运行时字符串到数字的自动转换。 任何对字符串的数学运算操作都会尝试用一般的转换规则把这个字符串转换成一个数字。 相反，无论何时，一个数字需要作为字符串来使用时，数字都会以合理的格式转换为字符串。 需要完全控制数字怎样转换为字符串，可以使用字符串库中的 format 函数 （参见 string.format）。
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