泛型参考文章:
https://blog.csdn.net/qq_4206...

实现批量切片性能, 相似 php array_chunk()函数func ArrayChunk[T any](s []T, size int) [][]T {    if size < 1 {        panic("size: cannot be less than 1")    }    length := len(s)    chunks := int(math.Ceil(float64(length) / float64(size)))    var n [][]T    for i, end := 0, 0; chunks > 0; chunks-- {        end = (i + 1) * size        if end > length {            end = length        }        n = append(n, s[i*size:end])        i++    }    return n}