给定长度值length，把列表切分成每段长度为length的N段列表，Kotlin

港控/mmm° 2023-10-14 09:36 4阅读 0赞

## 给定长度值length，把列表切分成每段长度为length的N段列表，Kotlin ##

import kotlin.random.Random
    
    fun main(args: Array<String>) {
        var source = mutableListOf<String>()
        val end = Random.nextInt(30) + 1
        for (i in 0 until end) {
            source.add(i.toString())
        }
        println(source)
        val length = Random.nextInt(source.size) + 1
    
        var segment = source.size / length
        if (source.size % length != 0) {
            segment++
        }
        println("总长度:${source.size} 随机生成每段长度:$length 算出段数:$segment ")
    
        var fromIndex = 0
        var toIndex = 0
        for (i in 0 until segment) {
            fromIndex = i * length
            toIndex = Math.min(fromIndex + length, source.size)
            println(source.subList(fromIndex, toIndex))
        }
    }

> \[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21\]  
> 总长度:22 随机生成每段长度:4 算出段数:6  
> \[0, 1, 2, 3\]  
> \[4, 5, 6, 7\]  
> \[8, 9, 10, 11\]  
> \[12, 13, 14, 15\]  
> \[16, 17, 18, 19\]  
> \[20, 21\]

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