Kotlin編程when文

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package testfun numToChinese(num:Int):String{    var result = when(num){        1 -> "一"        2 -> "二"        3 -> "三"        4 -> "四"        5 -> "五" + "Friday"        6 -> "六"        else -> "名称太长"    }    return result}fun main(args: Array<String>) {    var result  = numToChinese(5)    println(result)    while(true) {        println("请输入一个数字:")    //5    4        var num1str = readLine();        try{        var resultTest = numToChinese(num1str!!.toInt())        println(resultTest)        }catch(e:Exception){        println("输入的数据有问题,请重新输入")        }    }}

result

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"C:\Program Files\Java\jdk1.8.0_111\bin\java" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2017.2.5\lib\idea_rt.jar=51749:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2017.2.5\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_111\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\access-bridge.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\ojdbc6.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\rt.jar;C:\Users\Owner\IdeaProjects\untitled\out\production\untitled;C:\Users\Owner\.IdeaIC2017.2\config\plugins\Kotlin\kotlinc\lib\kotlin-stdlib.jar;C:\Users\Owner\.IdeaIC2017.2\config\plugins\Kotlin\kotlinc\lib\kotlin-reflect.jar;C:\Users\Owner\.IdeaIC2017.2\config\plugins\Kotlin\kotlinc\lib\kotlin-test.jar;C:\Users\Owner\.IdeaIC2017.2\config\plugins\Kotlin\kotlinc\lib\kotlin-stdlib-jre7.jar;C:\Users\Owner\.IdeaIC2017.2\config\plugins\Kotlin\kotlinc\lib\kotlin-stdlib-jre8.jar" test.Num2ChineseKt五Friday请输入一个数字:q输入的数据有问题,请重新输入请输入一个数字:qw输入的数据有问题,请重新输入请输入一个数字:1一请输入一个数字:2二请输入一个数字:3三请输入一个数字:

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