else 语句来了。当条件为假时,我们可以使用else语句和if语句来执行一段代码。语法: ifcondition{ // Executes this block if // condition is true }else{ // Executes this block if // condition is false } 流程图: 示例: C实现 // Go program to illustrate the // use of if...else statement p...
SQL Server Subquery with nested if else conditionSQL uses "case expressions" instead of if/else s...
The syntax for the nesting the IF function is: IF( condition1, value_if_true1, IF( condition2, value_if_true2, value_if_false2 )) This would be equivalent to the following IF THEN ELSE statement: IF condition1 THEN value_if_true1 ELSEIF condition2 THEN value_if_true2 ELSE value_...
SQL Server Subquery with nested if else conditionSQL uses "case expressions" instead of if/else s...
if <expression 2> % Executes when the boolean expression 2 is true end end 您可以使用与嵌套if语句类似的方式嵌套elseif ... else。 例子(Example) 创建一个脚本文件并在其中键入以下代码 - a = 100; b = 200; % check the boolean condition ...
if boolean_expression_2 { /* Executes when the boolean expression 2 is true */ } } 您可以使用与嵌套if语句类似的方式嵌套ifelse if...else。 例子(Example) var varA:Int = 100; var varB:Int = 200; /* Check the boolean condition using if statement */ ...
Python If Else Condition In the example above, Python executes the print statement if the condition is satisfied. However, it does not run any code if the condition is false. In this case, we can use theif-elseblock to evaluate the condition and run the else block code if the condition...
In the last tutorial we learned how to use if statement in C. In this guide, we will learn how to use if else, nested if else and else if statements in a C Program. C If else statement Syntax of if else statement: If condition returns true then the state
if (authToken === 'secret-token') { if (req.query.admin === 'true') { req.isAdmin = true; } return next(); } else { return res.status(401).json({ error: 'Invalid token' }); } } else { return res.status(401).json({ error: 'Unauthorized' }); ...
您可以嵌套ElseIf ... Else的方式,与嵌套If语句类似。 示例: Module decisions Sub Main() 'local variable definition Dim a As Integer = 100 Dim b As Integer = 200 'checkthebooleanconditionIf(a =100)Then' if condition is true then check the following If (b = 200) Then 'ifconditionistrue...