) else{语句块(业务逻辑) } } c:switch(变量){()case值:语句块(业务逻辑)break;case值:语句块(业务逻辑)break; …default:语句块(业务逻辑) } 3:三目运算符表达式?值1:值2(表达式成立值1,不成立值2) 5、PHP的分支结构 必须要用花括号开始case值1: //如果表达式的值和1匹配则执行下面的语句块语句块...
介绍Switch / Case,顾名思义,类似 Java 中的 Switch / Case,用于进行条件判断。是 kettle 中一个非常常用组件。 使用起来也非常简单,我们直接来看例子。 场景介绍 有一个 user 表,表中数据如下: 我们需要对 code 字段进行判断,如果不为空,则将数据同步到 user_copy 表(表结构相同);如果 code 为空,则记录...
JavaScript Switch Case Default Thedefaultstatement is executed if the switch expression output does not match with any of the given cases. In the below example we have shown this scenario: With this, we have covered the JavaScript switch statement. Althoughifelsestatements are popular and used in...
React本机switch case语句 React本机并没有提供switch case语句,因为React是一个JavaScript库,而switch case语句是JavaScript的一种控制流语句,用于根据不同的条件执行不同的代码块。 在React中,可以使用if语句或者三元表达式来实现类似的功能。下面是一个示例: 代码语言:txt 复制 function MyComponent(props) { const...
/bin/bashexportUSER="pi"echo"user =$USER"# echo "\$1 = $1"# export N=1exportN=3case"$N"in1)echo'case 1';; 2)echo'case 2';; *)echo'default case 数字 *';;esac https://www.runoob.com/try/runcode.php?filename=helloworld&type=bash...
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The shell command interpreters csh(1) , ksh(1) , ksh88(1) , and sh(1) have special built-in commands. The commands case , for , foreach , function , if , repeat ,...
【PHP】switch多条件写法 author:咔咔wechat:fangkangfk个人网站:fangkang.topswitch (true) { case ($costEgtHundredCount >= 6 && $userCostTotal >= 7500): $grade = 'blue'; # 蓝钻 ... PHP 个人网站 原创 原来是咔咔 2019-12-23 19:11:32 ...
If the threshold is exceeded in a switching module, only that module is shut down. If the threshold is exceeded in an active supervisor module with HA-standby or standby present, only that supervisor module is shut down and the stand...