如何将数组拆分为一组 n 个元素? [英] How to split an array into a group of n elements each?

问题描述

在 c# 4 中将数组分组为每个包含 n 个元素的数组的列表的最佳方法是什么.

What is the best way to group an array into a list of array of n elements each in c# 4.

例如

string[] testArray = { "s1", "s2", "s3", "s4", "s5", "s6", "s7", "s8" };

如果我们取n=3应该被拆分.

should be split into if we take n=3.

string[] A1 = {"s1", "s2", "s3"};
string[] A2 = {"s4", "s5", "s6"};
string[] A3 = {"s7", "s8"};

可能是一种使用 LINQ 的简单方法?

May be a simple way using LINQ?

推荐答案

这将生成一个包含 3 个元素的字符串数组:

This will generate an array of string arrays having 3 elements:

int i = 0;
var query = from s in testArray
            let num = i++
            group s by num / 3 into g
            select g.ToArray();
var results = query.ToArray();

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