C#，简单选择排序算法（Simple Select Sort）的源代码与数据可视化

排序算法是编程的基础。

常见的四种排序算法是：简单选择排序、冒泡排序、插入排序和快速排序。其中的快速排序的优势明显，一般使用递归方式实现，但遇到数据量大的情况则无法适用。实际工程中一般使用"非递归"方式实现。本文搜集发布四种算法的源代码及非递归快速排序的代码。

简单选择排序(Simple Select Sort)算法

算法思路：从左到右，以第一个元素作为基准数与后面的数作比较，找到比它小的数就交换。以此类推。直至循环结束。

代码改编自：C#实现常见排序算法_菜园赤子的博客-CSDN博客_c#排序算法

代码：

using System;

using System.Text;

using System.Collections.Generic;

using System.Windows.Forms;

namespace WindowsFormsApp6

{

public partial class Form1 : Form

{

Random rnd = new Random((int)DateTime.Now.Ticks);

List<string> slides = new List<string>();

public Form1()

{

InitializeComponent();

}

private void Form1_Load(object sender, EventArgs e)

{

this.Text = "C#，四种常见排序算法的可视化编程------北京联高软件开发有限公司";

button1.Text = "选择排序"; button1.Cursor = Cursors.Hand;

button2.Text = "冒泡排序"; button2.Cursor = Cursors.Hand;

button3.Text = "插入排序"; button3.Cursor = Cursors.Hand;

button4.Text = "快速(递归)"; button4.Cursor = Cursors.Hand;

button5.Text = "快速(非递归)"; button5.Cursor = Cursors.Hand;

panel1.Dock = DockStyle.Top;

panel2.Dock = DockStyle.Fill;

webBrowser1.Navigate("http://www.315soft.com");

}

private int\[\] RandArray()

{

int n = 20;

int\[\] dataArray = new intn;

for (int i = 0; i < n; i++)

{

dataArrayi = rnd.Next(20, 100);

}

return dataArray;

}

private void button1_Click(object sender, EventArgs e)

{

slides.Clear();

SelectionSort(RandArray());

loop = 0;

timer1.Interval = 100;

timer1.Enabled = true;

}

/// <summary>

/// 选择排序

/// 改编自：https://blog.csdn.net/qq_36238093/article/details/97051032

/// </summary>

/// <param name="dataArray"></param>

public void SelectionSort(int\[\] dataArray)

{

for (int i = 0; i < dataArray.Length - 1; i++)

{

for (int j = i + 1; j < dataArray.Length; j++)

{

if (dataArrayi > dataArrayj)

{

int temp = dataArrayi;

dataArrayi = dataArrayj;

dataArrayj = temp;

slides.Add(Slide(button1.Text, dataArray, i, j));

}

}

}

}

private string Slide(string title, int\[\] dataArray, int a, int b)

{

StringBuilder sb = new StringBuilder();

sb.AppendLine("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\\"\>");

sb.AppendLine("<html xmlns=\"http://www.w3.org/1999/xhtml\\" >");

sb.AppendLine("<head>");

sb.AppendLine("<style>");

sb.AppendLine("td { vertical-align:bottom;text-align:center;font-size:12px; } ");

sb.AppendLine(".bar { width:" + (int)((webBrowser1.Width - dataArray.Length * 11) / dataArray.Length) + "px;font-size:12px;border:solid 1px #FF6701;background-color:#F08080;text-align:center;border-radius:3px; }");

sb.AppendLine("</style>");

sb.AppendLine("</head>");

sb.AppendLine("<body>");

sb.AppendLine("<table width='100%' style='border-bottom:solid 1px #E9E9E0;'>");

sb.AppendLine("<tr>");

sb.AppendLine("<td>方法：" + title + "</td>");

sb.AppendLine("<td>数据：" + dataArray.Length + "</td>");

sb.AppendLine("<td>步骤：0</td>");

sb.AppendLine("</tr>");

sb.AppendLine("</table>");

sb.AppendLine("<br>");

sb.AppendLine("<table width='100%' style='border-bottom:solid 15px #E9E9E0;'>");

sb.AppendLine("<tr>");

for (int i = 0; i < dataArray.Length; i++)

{

if (i == a || i == b)

{

sb.AppendLine("<td>" + dataArrayi + "<div class='bar' style='height:" + dataArrayi*3 + "px;background-color:#993333;'></div></td>");

}

else

{

sb.AppendLine("<td>" + dataArrayi + "<div class='bar' style='height:" + dataArrayi*3 + "px;'></div></td>");

}

}

sb.AppendLine("</tr>");

sb.AppendLine("</table>");

sb.AppendLine("</body>");

sb.AppendLine("</html>");

return sb.ToString();

}

int loop = 0;

private void timer1_Tick(object sender, EventArgs e)

{

if (loop < slides.Count + (3000 / timer1.Interval))

{

if (loop < slides.Count)

{

webBrowser1.DocumentText = slidesloop.Replace("0", loop + " / " + slides.Count);

loop++;

return;

}

loop++;

return;

}

loop = 0;

}

}

}

可下载五种排序算法源代码：

五种排序算法源代码https://download.csdn.net/download/beijinghorn/85076171