25 lines
727 B
TypeScript
25 lines
727 B
TypeScript
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/**
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* 拆分数组 每n个拆分为一个数组
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* @param sourceDataList 资源数据
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* @param splitNum 每多少个拆分为一个数组
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* @returns 拆分后数组
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*/
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export function splitArray<T>(sourceDataList: Array<T>, splitNum: number) {
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const count =
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sourceDataList.length % splitNum == 0
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? sourceDataList.length / splitNum
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: sourceDataList.length / splitNum + 1
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const arrayList: Array<Array<T>> = []
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for (let i = 0; i < count; i++) {
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let index = i * splitNum
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const list: Array<T> = []
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let j = 0
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while (j < splitNum && index < sourceDataList.length) {
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list.push(sourceDataList[index++])
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j++
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}
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arrayList.push(list)
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}
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return arrayList
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}
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