C#随机数的应用[原创]
自己动手用C#编写体育彩票
现在有很多彩票软件神乎其神，但归根到底都是随机数的使用。我们用6位随机数来演示在C#中使用随机数
从而自己制作自己的彩票软件：）
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代码如下
/* 这是一个简单的随机数使用
* 2004年3月29日
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace MyLotteryProject
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class MyLotteryForm : System.Windows.Forms.Form
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.TextBox textBox4;
private System.Windows.Forms.TextBox textBox5;
private System.Windows.Forms.TextBox textBox6;
public static int n_draw=1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label labelDaytime;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Label label5;
public int[] lottonumbers = new int[50]; //够放6个随机数字吧
public int[] result = new int[50];
private System.Windows.Forms.Button pbSort;
private System.Windows.Forms.Button pbEnd;
private System.Windows.Forms.Button pbNextDraw;
private System.Windows.Forms.Label labelSort;
private System.Windows.Forms.PictureBox pictureBox1;
private System.Windows.Forms.PictureBox pictureBox3;
private System.Windows.Forms.PictureBox pictureBox4;
private System.Windows.Forms.Label label6;
private System.ComponentModel.Container components = null;
public MyLotteryForm()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
System.Resources.ResourceManager resources = new
System.Resources.ResourceManager(typeof(MyLotteryForm));
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.textBox3 = new System.Windows.Forms.TextBox();
this.textBox4 = new System.Windows.Forms.TextBox();
this.textBox5 = new System.Windows.Forms.TextBox();
this.textBox6 = new System.Windows.Forms.TextBox();
this.pbNextDraw = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.labelDaytime = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.pbEnd = new System.Windows.Forms.Button();
this.label5 = new System.Windows.Forms.Label();
this.pbSort = new System.Windows.Forms.Button();
this.labelSort = new System.Windows.Forms.Label();
this.pictureBox1 = new System.Windows.Forms.PictureBox();
this.pictureBox3 = new System.Windows.Forms.PictureBox();
this.pictureBox4 = new System.Windows.Forms.PictureBox();
this.label6 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.BackColor = System.Drawing.Color.Magenta;
this.textBox1.Location = new System.Drawing.Point(106, 190);
this.textBox1.Name = "textBox1";
this.textBox1.ReadOnly = true;
this.textBox1.Size = new System.Drawing.Size(28, 21);
this.textBox1.TabIndex = 0;
this.textBox1.Text = "textBox1";
//
// textBox2
//
this.textBox2.BackColor = System.Drawing.Color.Gold;
this.textBox2.Location = new System.Drawing.Point(144, 190);
this.textBox2.Name = "textBox2";
this.textBox2.ReadOnly = true;
this.textBox2.Size = new System.Drawing.Size(29, 21);
this.textBox2.TabIndex = 1;
this.textBox2.Text = "textBox2";
//
// textBox3
//
this.textBox3.BackColor = System.Drawing.Color.Cyan;
this.textBox3.Location = new System.Drawing.Point(182, 190);
this.textBox3.Name = "textBox3";
this.textBox3.ReadOnly = true;
this.textBox3.Size = new System.Drawing.Size(29, 21);
this.textBox3.TabIndex = 2;
this.textBox3.Text = "textBox3";
//
// textBox4
//
this.textBox4.BackColor = System.Drawing.Color.Red;
this.textBox4.Location = new System.Drawing.Point(221, 190);
this.textBox4.Name = "textBox4";
this.textBox4.ReadOnly = true;
this.textBox4.Size = new System.Drawing.Size(29, 21);
this.textBox4.TabIndex = 3;
this.textBox4.Text = "textBox4";
//
// textBox5
//
this.textBox5.BackColor = System.Drawing.Color.Yellow;
this.textBox5.Location = new System.Drawing.Point(259, 190);
this.textBox5.Name = "textBox5";
this.textBox5.ReadOnly = true;
this.textBox5.Size = new System.Drawing.Size(29, 21);
this.textBox5.TabIndex = 4;
this.textBox5.Text = "textBox5";
//
// textBox6
//
this.textBox6.BackColor = System.Drawing.Color.Lime;
this.textBox6.Location = new System.Drawing.Point(298, 190);
this.textBox6.Name = "textBox6";
this.textBox6.ReadOnly = true;
this.textBox6.Size = new System.Drawing.Size(28, 21);
this.textBox6.TabIndex = 5;
this.textBox6.Text = "textBox6";
//
// pbNextDraw
//
this.pbNextDraw.BackColor = System.Drawing.Color.PaleGoldenrod;
this.pbNextDraw.Cursor = System.Windows.Forms.Cursors.Hand;
this.pbNextDraw.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.pbNextDraw.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F,
System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.pbNextDraw.ForeColor = System.Drawing.Color.Goldenrod;
this.pbNextDraw.Location = new System.Drawing.Point(10, 250);
this.pbNextDraw.Name = "pbNextDraw";
this.pbNextDraw.Size = new System.Drawing.Size(211, 43);
this.pbNextDraw.TabIndex = 6;
this.pbNextDraw.Text = "下一注 >";
this.pbNextDraw.Click += new System.EventHandler(this.pbNextDraw_Click);
//
// label1
//
this.label1.BackColor = System.Drawing.Color.Coral;
this.label1.Font = new System.Drawing.Font("Comic Sans MS", 18F,
System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label1.Location = new System.Drawing.Point(38, 17);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(384, 43);
this.label1.TabIndex = 7;
this.label1.Text = "infofox.org彩票软件 .net0.01V";
//
// label2
//
this.label2.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F,
System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label2.ForeColor = System.Drawing.Color.IndianRed;
this.label2.Location = new System.Drawing.Point(29, 129);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(211, 25);
this.label2.TabIndex = 8;
this.label2.Text = "买6个数字肯定可以中奖";
//
// labelDaytime
//
this.labelDaytime.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F,
System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.labelDaytime.ForeColor = System.Drawing.Color.FromArgb(((System.Byte)(192)),
((System.Byte)(192)), ((System.Byte)(0)));
this.labelDaytime.Location = new System.Drawing.Point(250, 129);
this.labelDaytime.Name = "labelDaytime";
this.labelDaytime.Size = new System.Drawing.Size(192, 26);
this.labelDaytime.TabIndex = 9;
this.labelDaytime.Click += new System.EventHandler(this.labelDaytime_Click);
//
// label3
//
this.label3.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F,
System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label3.Location = new System.Drawing.Point(29, 86);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(43, 25);
this.label3.TabIndex = 10;
this.label3.Text = "第";
this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
this.label3.Click += new System.EventHandler(this.label3_Click);
//
// label4
//
this.label4.BackColor = System.Drawing.Color.Bisque;
this.label4.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.label4.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F,
System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label4.ForeColor = System.Drawing.Color.Red;
this.label4.Location = new System.Drawing.Point(106, 86);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(48, 26);
this.label4.TabIndex = 11;
this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// pbEnd
//
this.pbEnd.BackColor = System.Drawing.SystemColors.Control;
this.pbEnd.Cursor = System.Windows.Forms.Cursors.Hand;
this.pbEnd.ForeColor = System.Drawing.SystemColors.ControlText;
this.pbEnd.Location = new System.Drawing.Point(355, 258);
this.pbEnd.Name = "pbEnd";
this.pbEnd.Size = new System.Drawing.Size(96, 25);
this.pbEnd.TabIndex = 12;
this.pbEnd.Text = "退出";
this.pbEnd.Click += new System.EventHandler(this.pbEnd_Click);
//
// label5
//
this.label5.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.label5.Font = new System.Drawing.Font("Times New Roman", 14F,
System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label5.Location = new System.Drawing.Point(0, 310);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(470, 25);
this.label5.TabIndex = 13;
this.label5.Text = "您中了头奖- 别忘了我啊http://infofox.org";
//
// pbSort
//
this.pbSort.BackColor = System.Drawing.SystemColors.Control;
this.pbSort.ForeColor = System.Drawing.SystemColors.ControlText;
this.pbSort.Location = new System.Drawing.Point(240, 258);
this.pbSort.Name = "pbSort";
this.pbSort.Size = new System.Drawing.Size(96, 25);
this.pbSort.TabIndex = 14;
this.pbSort.Text = " 开始计算";
this.pbSort.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
this.pbSort.Click += new System.EventHandler(this.pbSort_Click);
//
// labelSort
//
this.labelSort.Location = new System.Drawing.Point(38, 190);
this.labelSort.Name = "labelSort";
this.labelSort.Size = new System.Drawing.Size(58, 24);
this.labelSort.TabIndex = 15;
this.labelSort.Text = "Sorted:";
this.labelSort.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// pictureBox1
//
this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject
("pictureBox1.Image")));
this.pictureBox1.Location = new System.Drawing.Point(248, 72);
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new System.Drawing.Size(40, 40);
this.pictureBox1.TabIndex = 16;
this.pictureBox1.TabStop = false;
//
// pictureBox3
//
this.pictureBox3.Image = ((System.Drawing.Image)(resources.GetObject
("pictureBox3.Image")));
this.pictureBox3.Location = new System.Drawing.Point(312, 72);
this.pictureBox3.Name = "pictureBox3";
this.pictureBox3.Size = new System.Drawing.Size(40, 40);
this.pictureBox3.TabIndex = 18;
this.pictureBox3.TabStop = false;
//
// pictureBox4
//
this.pictureBox4.Image = ((System.Drawing.Image)(resources.GetObject
("pictureBox4.Image")));
this.pictureBox4.Location = new System.Drawing.Point(376, 72);
this.pictureBox4.Name = "pictureBox4";
this.pictureBox4.Size = new System.Drawing.Size(40, 40);
this.pictureBox4.TabIndex = 19;
this.pictureBox4.TabStop = false;
//
// label6
//
this.label6.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F,
System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label6.Location = new System.Drawing.Point(168, 88);
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(43, 25);
this.label6.TabIndex = 20;
this.label6.Text = "张";
this.label6.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// MyLotteryForm
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.BackColor = System.Drawing.Color.Bisque;
this.ClientSize = new System.Drawing.Size(458, 339);
this.Controls.Add(this.label6);
this.Controls.Add(this.pictureBox4);
this.Controls.Add(this.pictureBox3);
this.Controls.Add(this.pictureBox1);
this.Controls.Add(this.labelSort);
this.Controls.Add(this.pbSort);
this.Controls.Add(this.label5);
this.Controls.Add(this.pbEnd);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.labelDaytime);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.pbNextDraw);
this.Controls.Add(this.textBox6);
this.Controls.Add(this.textBox5);
this.Controls.Add(this.textBox4);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.ForeColor = System.Drawing.Color.IndianRed;
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D;
this.MaximizeBox = false;
this.Name = "MyLotteryForm";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = ".net彩票狐狸";
this.Load += new System.EventHandler(this.MyLotteryForm_Load);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new MyLotteryForm());
}
private void MyLotteryForm_Load(object sender, System.EventArgs e)
{
//开始
int c=1000;
int[] numb = new int[c];
DateTime dt = new DateTime();
dt = DateTime.Now;
Random rnd = new Random(dt.Millisecond);
for (int i=0; i<c; i++)
{
numb[ i ] = rnd.Next(1,45);
}
Array.Sort(numb);
int k=0;
int j=0;
for (int i=0; i<c-1; i++)
{
if (numb[ i ] == numb[i+1])
{
result[k] = numb[ i ];
lottonumbers[k] = j+=1;
}
else
{
k+=1;
j=0;
}
}
Array.Sort(lottonumbers, result);
fnDisplay6Numbers(); // 第一个显示的数字
Array.Sort(result);
DateTime dt1= DateTime.Today; //取今天的日期啊，上帝保佑我中奖吧
this.labelDaytime.Text=dt1.ToLongDateString(); //显示日期
this.label4.Text=n_draw.ToString(); //显示数字
this.labelSort.Visible=false;
this.pbNextDraw.Focus();
//--------------结束
}
private void fnDisplay6Numbers()
{
// 在框里显示数字
this.textBox1.Text = result[49].ToString();
this.textBox2.Text = result[48].ToString();
this.textBox3.Text = result[47].ToString();
this.textBox4.Text = result[46].ToString();
this.textBox5.Text = result[45].ToString();
this.textBox6.Text = result[44].ToString();
}
private void fnDisplay6NumbersSorted()
{
int[] nr = new int[6];
nr[0]=Convert.ToInt16(this.textBox1.Text);
nr[1]=Convert.ToInt16(this.textBox2.Text);
nr[2]=Convert.ToInt16(this.textBox3.Text);
nr[3]=Convert.ToInt16(this.textBox4.Text);
nr[4]=Convert.ToInt16(this.textBox5.Text);
nr[5]=Convert.ToInt16(this.textBox6.Text);
Array.Sort(nr);
this.textBox1.Text = nr[0].ToString();
this.textBox2.Text = nr[1].ToString();
this.textBox3.Text = nr[2].ToString();
this.textBox4.Text = nr[3].ToString();
this.textBox5.Text = nr[4].ToString();
this.textBox6.Text = nr[5].ToString();
}
private void pbNextDraw_Click(object sender, System.EventArgs e)
{
this.MyLotteryForm_Load(sender, e);
n_draw++;
this.label4.Text=n_draw.ToString(); //在框里随便显示数字
//按“下注”的按钮后
this.pbSort.Enabled=true;
}
private void pbEnd_Click(object sender, System.EventArgs e)
{
Application.Exit();
}
private void pbSort_Click(object sender, System.EventArgs e)
{
fnDisplay6NumbersSorted(); //调用
this.pbSort.Enabled=false;
this.labelSort.Visible=true;
this.pbNextDraw.Focus();
}
private void labelDaytime_Click(object sender, System.EventArgs e)
{
}
private void label3_Click(object sender, System.EventArgs e)
{
}
}
}
……