c#从低到高排序数字
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c# sorting numbers from lowest to highest
提问by Matej Merc
I have 5 random numbers each in separate label and would like to sort them form lowest to highest and place them in new label.
我有 5 个随机数，每个数字都在单独的标签中，并希望将它们从最低到最高排序，并将它们放在新标签中。
Example: Labels with random numbers from 1 - 60.
示例：带有 1 - 60 随机数的标签。
number1.Text = 42
number2.Text = 51
number3.Text = 12
number4.Text = 33
number5.Text = 26
I would like to place that numbers form lowest to highest each in separate label.
我想将这些数字从最低到最高分别放在单独的标签中。
Example:
例子：
sortNumber1.Text = 12
sortNumber2.Text = 26
sortNumber3.Text = 33
sortNumber4.Text = 42
sortNumber5.Text = 51
So far I try to place all sorted numbers in one label with this code:
到目前为止，我尝试使用以下代码将所有已排序的数字放在一个标签中：
private void button63_Click(object sender, EventArgs e)
{
var orderNumber1 = Convert.ToInt32(number1.Text);
var orderNumber2 = Convert.ToInt32(number2.Text);
var orderNumber3 = Convert.ToInt32(number3.Text);
var orderNumber4 = Convert.ToInt32(number4.Text);
var orderNumber5 = Convert.ToInt32(number5.Text);
int[] numbers = { orderNumber1, orderNumber2, orderNumber3, orderNumber4, orderNumber5};
Array.Sort(numbers);
int i = 0;
for (i = 0; i < numbers.Length; i++)
{
selected_number1.Text = (numbers[i].ToString());
}
}
But only last (highest) number was entered. If something doesn't make any sense it's because I am noob. Solution that I will understand would be great. Thank you.
但只输入了最后一个（最高）数字。如果某事没有任何意义，那是因为我是菜鸟。我会理解的解决方案会很棒。谢谢你。
采纳答案by MarcinJuraszek
I would change entire design here (create a list of labels and use it to iterate over your labels), but for now you can make it work replacing your forloop with following:
我会在这里更改整个设计（创建一个标签列表并使用它来迭代您的标签），但现在您可以for使用以下内容替换您的循环：
sortNumber1.Text = numbers[0].ToString();
sortNumber2.Text = numbers[1].ToString();
sortNumber3.Text = numbers[2].ToString();
sortNumber4.Text = numbers[3].ToString();
sortNumber5.Text = numbers[4].ToString();
回答by EricKitt
for (i = 0; i < numbers.Length; i++)
{
selected_number1.Text = (numbers[i].ToString());
}
In your loop you are setting selected_number1.Texteach time so that's the only one getting set.
在你的循环中，你selected_number1.Text每次都在设置，所以这是唯一一个设置。
回答by Doro
Try this:
尝试这个：
int[] numbers = { orderNumber1, orderNumber2, orderNumber3, orderNumber4, orderNumber5 };
Array.Sort(numbers);
foreach (var item in numbers)
{
Console.WriteLine(item);
}
回答by Jim Mischel
If you want a single string, you need to concatenate them. Probably the easiest way is with LINQ:
如果你想要一个字符串，你需要连接它们。可能最简单的方法是使用 LINQ：
var numStrings = numbers.Select((i) => i.ToString());
selected_number1.Text = string.Join(",", numStrings);
回答by Sorceri
all though you have already answered....
虽然你已经回答了....
List<TextBox> tBoxes = new List<TextBox>();
tBoxes.Add(number1);
tBoxes.Add(number2);
tBoxes.Add(number3);
tBoxes.Add(number4);
tBoxes.Add(number5);
List<int> allNums = new List<int>();
foreach (TextBox item in tBoxes)
{
allNums.Add(int.Parse(item.Text));
}
allNums.Sort();
for (int i = 0; i < tBoxes.Count - 1; i++)
{
tBoxes[i].Text = allNums[i].ToString();
}
回答by Nicholas Carey
As you iterate over your sorted array, you repeatedly set the same control to the current value with this statement:
当您迭代排序数组时，您使用以下语句重复将相同的控件设置为当前值：
selected_number1.Text = (numbers[i].ToString());
I'd probably do something along these lines:
我可能会按照以下方式做一些事情：
Label[] display = { Sorted1 , Sorted2 , Sorted3 , Sorted4 , Sorted5 , } ;
Label[] unsorted = { Label1 , Label2 , Label3 , Label4 , Label5 , } ;
int[] sorted = unsorted.Select( x => int.Parse(x.Text) ).OrderBy( x => x ).ToArray() ;
for ( int i = 0 ; i < 5 ; ++i )
{
display[i].Text = sorted[i].ToString() ;
}
