Slog55_lua面向对象之lua类
Slog55_lua面向?qū)ο笾甽ua類
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ArthurSlog
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SLog-55
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Year·1
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Guangzhou·China
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Aug 30th 2018
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GitHub
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掘金主頁(yè)
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簡(jiǎn)書主頁(yè)
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segmentfault
現(xiàn)實(shí)中的事情不是根據(jù)人的喜好而定的 比如長(zhǎng)在你嘴里的智齒 大部分情況下 你會(huì)因?yàn)樽约?#xff08;的牙)而痛苦 直到忍痛拔掉 鮮血淋漓 也許痛過(guò)之后 才能回歸正途
開(kāi)發(fā)環(huán)境MacOS(High Sierra 10.13.5)
需要的信息和信息源:
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github 完整代碼
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Object-Oriented Programming
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Classes
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Classes Inheritance
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Classes Multiple Inheritance
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Classes Privacy
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Classes The Single-Method Approach
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require
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package
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package Basic Approach
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package Privacy
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Packages and Files
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Using the Global Table
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Other Facilities
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Programming in Lua
開(kāi)始編碼
- 完整代碼:
~/Desktop/lua_learningload/lua_class/Employee.lua
-- 文件名為 EmployeePackage.lua -- 定義一個(gè)名為 EmployeePackage 的模塊 -- Meta class EmployeePackage = {empCount = 0, name = '0', salary = 0}-- 派生類的方法 new function EmployeePackage:new (o,name,salary)e = e or {}setmetatable(e, self)self.__index = selfself.empCount = self.empCount + 1self.name = nameself.salary = salaryreturn e end-- 派生類的方法 printArea function EmployeePackage:info ()print("Total Employee ", self.empCount)print("Name : " , self.name) print("Salary: " , self.salary) endemp = Employee:new(nil,'xiaoming',1024)emp:info() 復(fù)制代碼- 其中,Employee類如下:
~/Desktop/lua_learningload/lua_class/Employee/lua
-- 文件名為 EmployeePackage.lua -- 定義一個(gè)名為 EmployeePackage 的模塊 -- Meta class EmployeePackage = {empCount = 0, name = '0', salary = 0}-- 派生類的方法 new function EmployeePackage:new (o,name,salary)e = e or {}setmetatable(e, self)self.__index = selfself.empCount = self.empCount + 1self.name = nameself.salary = salaryreturn e end-- 派生類的方法 printArea function EmployeePackage:info ()print("Total Employee ", self.empCount)print("Name : " , self.name) print("Salary: " , self.salary) end 復(fù)制代碼- 現(xiàn)在,切換至文件路徑下
cd ~/Desktop/lua_learningload/lua_class/Employee.lua
- 執(zhí)行l(wèi)ua文件
lua ./Employee.lua
- 執(zhí)行結(jié)果:
- 另一方面,根據(jù)上一篇文章所講,上面的這個(gè)lua類也可以作為一個(gè)lua包,在新的程序里導(dǎo)入
~/Desktop/lua_learningload/lua_class/
-- Meta class EmployeePackage = {empCount = 0, name = '0', salary = 0}-- 派生類的方法 new function EmployeePackage:new (o,name,salary)e = e or {}setmetatable(e, self)self.__index = selfself.empCount = self.empCount + 1self.name = nameself.salary = salaryreturn e end-- 派生類的方法 printArea function EmployeePackage:info ()print("Total Employee ", self.empCount)print("Name : " , self.name) print("Salary: " , self.salary) endreturn EmployeePackage 復(fù)制代碼~/Desktop/lua_learningload/lua_class/EmployeePackage.lua
-- run.lua 文件 -- EmployeePackage 模塊為上文提到到 EmployeePackage.lua -- 別名變量 p local p = require("EmployeePackage")emp = p:new(nil,'xiaoming',1024)emp:info() 復(fù)制代碼- 現(xiàn)在,切換至文件路徑下
cd ~/Desktop/lua_learningload/lua_class/
- 執(zhí)行l(wèi)ua文件
lua ./run.lua
- 執(zhí)行結(jié)果:
- 至此,我們實(shí)現(xiàn)了一個(gè)lua類,并把這個(gè)lua類打包供其他lua程序使用。
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