casevalueN: statementsN// 当表达式的结果等于 valueN 时,则执行该代码 break; default: statements// 如果没有与表达式相同的值,则执行该代码 } switch 语句根据表达式的值,依次与 case 子句中的值进行比较: 如果两者相等,则执行其后的语句段,当遇到 break 关键字时则跳出整个 switch 语句。 如果不相等,则继...
In this example, the switch statement is testing for the type of the value in the hashtable. You must use and expression that returns a boolean value to select the scriptblock to execute. PowerShell Copy $var = @{A = 10; B = 'abc'} foreach ($key in $var.Keys) { switch ($va...
在此示例中,该switch语句正在测试哈希表中值的类型。 必须使用和表达式返回布尔值以选择要执行的 scriptblock。 PowerShell $var= @{A =10; B ='abc'}foreach($keyin$var.Keys) {switch($var[$key].GetType()) { {$_-eq[int32] } {"$key+ 10 = $($var[$key] + 10)"} {$_-eq[string] ...
在编程中,switch语句和if-else语句都可以用于条件判断和分支执行。但是,在某些情况下,使用switch语句可能比使用if-else语句更加高效和易读。以下是一些使用switch语句的优势: ...
In this example, we have a simple functionWithSwitch() function that includes the switch statement and returns three different values based on the parameter value. Instead of defining all of this within JSX, we do it separately, reference the function, and pass it to the desired value. Inline...
Java 14 introduces a new syntax for theswitch-casestatement. Users can add multiple values for a singlecaseby separating the comma, and users have to put the executable code in the curly braces. In this section, we’ll explore the significance of arrow syntax and demonstrate how it simplifies...
.5in is not a valid unit designator. Valid unit designators are in, mm, cm, pt, pc. 'No such host is known' error when configuring Reporting database 'Oracle' data extension not registered 'Return' statement in a Function,Get,or Operator must return a value...Question "An error occurr...
Related PowerShell CmdletsBreak statement Continue statement ForEach-Object - (foreach) Loop for each object in the pipeline. ForEach - Loop through values in the pipeline. For - Loop through items that match a condition. IF - Conditionally perform a command. While - Loop while a condition ...
You can use script blocks, for example: switch ("Cozumel") { {$_ -in @("Acapulco","Cozumel","Lazaro Cardenas","Mexico City","Pto Progresso","Veracruz")} { "Mexico" break } } Refer to the documentation for more info/examples:https://docs.microsoft.com/en-us/powershe...
Windows PowerShell Index -contains operator vs .contains() method -ea operator -ErrorAction:SilentlyContinue parameter is not being respected & $error variable not updated -ExpandProperty & Export CSV !!! powershell script to add a word in the beginning of the text file - URGENT !!! 'A posi...