vue js 如何将数组评分成几个数组 布满荆棘的人生 2021-07-25 19:27 625阅读 0赞 直接看代码 mounted(){ let arr = [1,2,3,4,5,6,7,8,9,10,11,12] console.log(this.divideEqually(arr))//[[1,2,3],[4,5,6],[7.8.9],[10,11,12]] }, methods:{ divideEqually(originArr) { /*此函数用于，把数组平均分成4份。 * originArr，带分割的数组。*/ if (originArr.length >= 4) { let arr1, arr2, arr3, arr4; arr1 = originArr.slice(0, Math.round(originArr.length / 4)); arr2 = originArr.slice(Math.round(originArr.length / 4), Math.round(originArr.length / 4) * 2); arr3 = originArr.slice(Math.round(originArr.length / 4) * 2, Math.round(originArr.length / 4) * 3); arr4 = originArr.slice(Math.round(originArr.length / 4) * 3); return [arr1, arr2, arr3, arr4]; } }, }
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