lua 条件控制

lua 条件控制

if 语句

结构

if (condition)
then
	statements
end

示例程序

local a = 10

if (a > 1)
then
	print("if condition")
end

if … else … 语句

结构

if (condition)
then
	statements
else
	statements
end

示例程序

local a = -1

if (a > 10)
then
	print("if condition")
else
	print("else condition")
end

if … elseif … 语句

结构

if (condition)
then
	statements
elseif (condition)
then
	statements
else
	statements
end

示例程序

local a = 10

if (a > 20)
then
	print("if condition")
elseif (a > 1)
then
	print("elseif condition")
else
	print("else condition")
end