在Lua編程內(nèi)嵌if-else語句,這意味著可以使用一個(gè) if 或 else if 在另一個(gè)語句if或else if 語句中。
if語句的嵌套語法如下:
if( boolean_expression 1) then --[ Executes when the boolean expression 1 is true --] if(boolean_expression 2) then --[ Executes when the boolean expression 2 is true --] end end
您可以嵌套else if...else 以類似if語句的方式。
--[ local variable definition --] a = 100; b = 200; --[ check the boolean condition --] if( a == 100 ) then --[ if condition is true then check the following --] if( b == 200 ) then --[ if condition is true then print the following --] print("Value of a is 100 and b is 200" ); end end print("Exact value of a is :", a ); print("Exact value of b is :", b );
當(dāng)建立和運(yùn)行上面的代碼,它會(huì)產(chǎn)生以下結(jié)果。
Value of a is 100 and b is 200 Exact value of a is : 100 Exact value of b is : 200