C#随机数的应用[原创]-.NET教程,C#语言

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：）

——————————–

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)

{

}

}

}