C# 使用 LINQ 合并 2 个数组
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Merge 2 arrays using LINQ
提问by
I have two simple array and I would like to merge using join linq:
我有两个简单的数组，我想使用 join linq 进行合并：
int[] num1 = new int[] { 1, 55, 89, 43, 67, -3 };
int[] num2 = new int[] { 11, 35, 79, 23, 7, -10 };
var result = from n1 in num1
from n2 in num2
select result;
回答by dasblinkenlight
You can do it using Concatand ToArray, like this:
您可以使用Concatand 来完成ToArray，如下所示：
var res = num1.Concat(num2).ToArray();
This will put all elements of num2after elements of num1, producing resthat looks like
这将把所有元素的num2后元素num1，产生res看起来像
int[] { 1, 55, 89, 43, 67, -3, 11, 35, 79, 23, 7, -10 };
EDIT :(in response to a comment: "how can I also sort either allNumbers and res?")
编辑：（回应评论：“我如何才能对 allNumbers 和 res 进行排序？”）
Once your two arrays are merged, you can use OrderByto sort the result, like this:
合并两个数组后，您可以使用OrderBy对结果进行排序，如下所示：
var res = num1.Concat(num2).OrderBy(v=>v).ToArray();
回答by Chris Dixon
var allNumbers = num1.Concat(num2);
回答by MuhammadHani
Use Concat
用 Concat
var res= num1.Concat(num2);
回答by Binary Worrier
var result = num1.Concat(num2);
Doesn't allocate any memory. Is this sufficient for your needs?
不分配任何内存。这是否足以满足您的需求？
回答by Pandian
try like below... it will help you..
尝试像下面...它会帮助你...
int[] num1 = new int[] { 1, 55, 89, 43, 67, -3 };
int[] num2 = new int[] { 11, 35, 79, 23, 7, -10 };
var result = num1.Union(num2).ToArray();
