vb.net 自建類(lèi)生成類(lèi)e似xx.item(0).value或者xx.Name("zhangshan").Value

'這是數(shù)組的一個(gè)方法了，可是可以給數(shù)組定義擴(kuò)展方法來(lái)實(shí)現(xiàn)這種形式。不過(guò)要給Item每個(gè)成員能動(dòng)態(tài)生成相應(yīng)方法，想不出其它簡(jiǎn)單點(diǎn)的辦法，只能一個(gè)一個(gè)的添加擴(kuò)展方法。

創(chuàng)新互聯(lián)公司提供網(wǎng)站設(shè)計(jì)制作、成都網(wǎng)站設(shè)計(jì)、網(wǎng)頁(yè)設(shè)計(jì)，高端網(wǎng)站設(shè)計(jì)，廣告投放平臺(tái)等致力于企業(yè)網(wǎng)站建設(shè)與公司網(wǎng)站制作，十載的網(wǎng)站開(kāi)發(fā)和建站經(jīng)驗(yàn),助力企業(yè)信息化建設(shè)，成功案例突破近1000家,是您實(shí)現(xiàn)網(wǎng)站建設(shè)的好選擇.

Namespace?測(cè)試

Public?Class?Item

Public?Number()?As?String

Public?Name?As?String

Public?Symbol?As?String

Public?Value?As?Single

Public?Unit?As?String

Public?Description?As?String

Public?Remarks?As?String

End?Class

Public?Class?XX

Public?tty()?As?Item

Public?Sub?New()

tty(0).Name?=?"Women"

tty(0).Value?=?198000

tty(1).Name?=?"temen"

tty.Name("temen").Value?=?99999

End?Sub

End?Class

Public?Module?Module1

System.Runtime.CompilerServices.Extension()?_?

Public?Function?Name(ByVal?she?As?Item(),?ByVal?key?As?String)?As?Item?'定義擴(kuò)展方法功能?在net.3.5前的版本像似沒(méi)有。

For?Each?it?In?she

If?it.Name?=?key?Then

Return?it

End?If

Next

Return?Nothing

End?Function

End?Module

End?Namespace

用VB.NET編的計(jì)算器程序！

Public Class SimpleCalculator

Inherits System.Windows.Forms.Form

#Region " Windows 窗體設(shè)計(jì)器生成的代碼 "

Public Sub New()

MyBase.New()

'該調(diào)用是 Windows 窗體設(shè)計(jì)器所必需的。

InitializeComponent()

'在 InitializeComponent() 調(diào)用之后添加任何初始化

End Sub

'窗體重寫(xiě)處置以清理組件列表。

Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)

If disposing Then

If Not (components Is Nothing) Then

components.Dispose()

End If

End If

MyBase.Dispose(disposing)

End Sub

'Windows 窗體設(shè)計(jì)器所必需的

Private components As System.ComponentModel.IContainer

'注意：以下過(guò)程是 Windows 窗體設(shè)計(jì)器所必需的

'可以使用 Windows 窗體設(shè)計(jì)器修改此過(guò)程。

'不要使用代碼編輯器修改它。

Friend WithEvents Label1 As System.Windows.Forms.Label

Friend WithEvents TextBox1 As System.Windows.Forms.TextBox

Friend WithEvents Button1 As System.Windows.Forms.Button

Friend WithEvents Button2 As System.Windows.Forms.Button

Friend WithEvents Button3 As System.Windows.Forms.Button

Friend WithEvents Button4 As System.Windows.Forms.Button

Friend WithEvents Button5 As System.Windows.Forms.Button

Friend WithEvents Button6 As System.Windows.Forms.Button

Friend WithEvents Button7 As System.Windows.Forms.Button

Friend WithEvents Button8 As System.Windows.Forms.Button

Friend WithEvents Button9 As System.Windows.Forms.Button

Friend WithEvents Button10 As System.Windows.Forms.Button

Friend WithEvents Button11 As System.Windows.Forms.Button

Friend WithEvents Button12 As System.Windows.Forms.Button

Friend WithEvents Button13 As System.Windows.Forms.Button

Friend WithEvents Button14 As System.Windows.Forms.Button

Friend WithEvents Button15 As System.Windows.Forms.Button

Friend WithEvents Button16 As System.Windows.Forms.Button

System.Diagnostics.DebuggerStepThrough() Private Sub InitializeComponent()

Me.Label1 = New System.Windows.Forms.Label

Me.TextBox1 = New System.Windows.Forms.TextBox

Me.Button1 = New System.Windows.Forms.Button

Me.Button2 = New System.Windows.Forms.Button

Me.Button3 = New System.Windows.Forms.Button

Me.Button4 = New System.Windows.Forms.Button

Me.Button5 = New System.Windows.Forms.Button

Me.Button6 = New System.Windows.Forms.Button

Me.Button7 = New System.Windows.Forms.Button

Me.Button8 = New System.Windows.Forms.Button

Me.Button9 = New System.Windows.Forms.Button

Me.Button10 = New System.Windows.Forms.Button

Me.Button11 = New System.Windows.Forms.Button

Me.Button12 = New System.Windows.Forms.Button

Me.Button13 = New System.Windows.Forms.Button

Me.Button14 = New System.Windows.Forms.Button

Me.Button15 = New System.Windows.Forms.Button

Me.Button16 = New System.Windows.Forms.Button

Me.SuspendLayout()

'

'Label1

'

Me.Label1.Location = New System.Drawing.Point(16, 16)

Me.Label1.Name = "Label1"

Me.Label1.Size = New System.Drawing.Size(48, 16)

Me.Label1.TabIndex = 0

Me.Label1.Text = "結(jié)果："

'

'TextBox1

'

Me.TextBox1.Location = New System.Drawing.Point(64, 8)

Me.TextBox1.Name = "TextBox1"

Me.TextBox1.Size = New System.Drawing.Size(120, 21)

Me.TextBox1.TabIndex = 1

Me.TextBox1.Text = ""

'

'Button1

'

Me.Button1.Location = New System.Drawing.Point(200, 8)

Me.Button1.Name = "Button1"

Me.Button1.Size = New System.Drawing.Size(56, 24)

Me.Button1.TabIndex = 2

Me.Button1.Text = "清空"

'

'Button2

'

Me.Button2.Location = New System.Drawing.Point(48, 56)

Me.Button2.Name = "Button2"

Me.Button2.Size = New System.Drawing.Size(24, 24)

Me.Button2.TabIndex = 3

Me.Button2.Text = "1"

'

'Button3

'

Me.Button3.Location = New System.Drawing.Point(88, 56)

Me.Button3.Name = "Button3"

Me.Button3.Size = New System.Drawing.Size(24, 24)

Me.Button3.TabIndex = 4

Me.Button3.Text = "2"

'

'Button4

'

Me.Button4.Location = New System.Drawing.Point(136, 56)

Me.Button4.Name = "Button4"

Me.Button4.Size = New System.Drawing.Size(24, 24)

Me.Button4.TabIndex = 5

Me.Button4.Text = "3"

'

'Button5

'

Me.Button5.Location = New System.Drawing.Point(48, 88)

Me.Button5.Name = "Button5"

Me.Button5.Size = New System.Drawing.Size(24, 24)

Me.Button5.TabIndex = 6

Me.Button5.Text = "4"

'

'Button6

'

Me.Button6.Location = New System.Drawing.Point(88, 88)

Me.Button6.Name = "Button6"

Me.Button6.Size = New System.Drawing.Size(24, 24)

Me.Button6.TabIndex = 7

Me.Button6.Text = "5"

'

'Button7

'

Me.Button7.Location = New System.Drawing.Point(136, 88)

Me.Button7.Name = "Button7"

Me.Button7.Size = New System.Drawing.Size(24, 24)

Me.Button7.TabIndex = 8

Me.Button7.Text = "6"

'

'Button8

'

Me.Button8.Location = New System.Drawing.Point(48, 120)

Me.Button8.Name = "Button8"

Me.Button8.Size = New System.Drawing.Size(24, 24)

Me.Button8.TabIndex = 9

Me.Button8.Text = "7"

'

'Button9

'

Me.Button9.Location = New System.Drawing.Point(88, 120)

Me.Button9.Name = "Button9"

Me.Button9.Size = New System.Drawing.Size(24, 24)

Me.Button9.TabIndex = 10

Me.Button9.Text = "8"

'

'Button10

'

Me.Button10.Location = New System.Drawing.Point(136, 120)

Me.Button10.Name = "Button10"

Me.Button10.Size = New System.Drawing.Size(24, 24)

Me.Button10.TabIndex = 11

Me.Button10.Text = "9"

'

'Button11

'

Me.Button11.Location = New System.Drawing.Point(48, 152)

Me.Button11.Name = "Button11"

Me.Button11.Size = New System.Drawing.Size(24, 24)

Me.Button11.TabIndex = 12

Me.Button11.Text = "0"

'

'Button12

'

Me.Button12.Location = New System.Drawing.Point(176, 56)

Me.Button12.Name = "Button12"

Me.Button12.Size = New System.Drawing.Size(24, 24)

Me.Button12.TabIndex = 13

Me.Button12.Text = "+"

'

'Button13

'

Me.Button13.Location = New System.Drawing.Point(176, 88)

Me.Button13.Name = "Button13"

Me.Button13.Size = New System.Drawing.Size(24, 24)

Me.Button13.TabIndex = 14

Me.Button13.Text = "-"

'

'Button14

'

Me.Button14.Location = New System.Drawing.Point(176, 120)

Me.Button14.Name = "Button14"

Me.Button14.Size = New System.Drawing.Size(24, 24)

Me.Button14.TabIndex = 15

Me.Button14.Text = "*"

'

'Button15

'

Me.Button15.Location = New System.Drawing.Point(176, 152)

Me.Button15.Name = "Button15"

Me.Button15.Size = New System.Drawing.Size(24, 24)

Me.Button15.TabIndex = 16

Me.Button15.Text = "/"

'

'Button16

'

Me.Button16.Location = New System.Drawing.Point(88, 152)

Me.Button16.Name = "Button16"

Me.Button16.Size = New System.Drawing.Size(72, 24)

Me.Button16.TabIndex = 17

Me.Button16.Text = "計(jì)算"

'

'SimpleCalculator

'

Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)

Me.ClientSize = New System.Drawing.Size(264, 190)

Me.Controls.Add(Me.Button16)

Me.Controls.Add(Me.Button15)

Me.Controls.Add(Me.Button14)

Me.Controls.Add(Me.Button13)

Me.Controls.Add(Me.Button12)

Me.Controls.Add(Me.Button11)

Me.Controls.Add(Me.Button10)

Me.Controls.Add(Me.Button9)

Me.Controls.Add(Me.Button8)

Me.Controls.Add(Me.Button7)

Me.Controls.Add(Me.Button6)

Me.Controls.Add(Me.Button5)

Me.Controls.Add(Me.Button4)

Me.Controls.Add(Me.Button3)

Me.Controls.Add(Me.Button2)

Me.Controls.Add(Me.Button1)

Me.Controls.Add(Me.TextBox1)

Me.Controls.Add(Me.Label1)

Me.Name = "SimpleCalculator"

Me.Text = "簡(jiǎn)單計(jì)算器"

Me.ResumeLayout(False)

End Sub

#End Region

Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)

End Sub

Private Sub TextBox1_TabStopChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

Dim btn As Button '按鈕類(lèi)型的變量

btn = sender '把產(chǎn)生該事件的按鈕對(duì)象賦值給btn

TextBox1.Text = TextBox1.Text + btn.Text '把該按鈕的Text屬性值連接到TextBox1中

End Sub

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

Dim btn As Button

btn = sender

TextBox1.Text += btn.Text

End Sub

Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click

Dim btn As Button

btn = sender

TextBox1.Text += btn.Text

End Sub

Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click

Dim btn As Button

btn = sender

TextBox1.Text += btn.Text

End Sub

Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click

Dim btn As Button

btn = sender

TextBox1.Text += btn.Text

End Sub

Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click

Dim btn As Button

btn = sender

TextBox1.Text += btn.Text

End Sub

Private Sub Button8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button8.Click

Dim btn As Button

btn = sender

TextBox1.Text += btn.Text

End Sub

Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button9.Click

Dim btn As Button

btn = sender

TextBox1.Text += btn.Text

End Sub

Private Sub Button10_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button10.Click

Dim btn As Button

btn = sender

TextBox1.Text += btn.Text

End Sub

Private Sub Button11_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button11.Click

Dim btn As Button

btn = sender

TextBox1.Text += btn.Text

End Sub

Private Sub Button12_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button12.Click

Dim btn As Button

btn = sender

'在文本框的Text屬性后連接一個(gè)空格、本按鈕的Text屬性值和一個(gè)空格

TextBox1.Text = TextBox1.Text + " " + btn.Text + " "

End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

TextBox1.Text = "" '清空文本框

End Sub

Private Sub Button13_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button13.Click

Dim btn As Button

btn = sender

TextBox1.Text = TextBox1.Text + " " + btn.Text + " "

End Sub

Private Sub Button14_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button14.Click

Dim btn As Button

btn = sender

TextBox1.Text = TextBox1.Text + " " + btn.Text + " "

End Sub

Private Sub Button15_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button15.Click

Dim btn As Button

btn = sender

TextBox1.Text = TextBox1.Text + " " + btn.Text + " "

End Sub

Private Sub Button16_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button16.Click

'發(fā)生錯(cuò)誤轉(zhuǎn)移到標(biāo)號(hào)“ErrorPro”指定的行去執(zhí)行錯(cuò)誤處理程序

On Error GoTo ErrorPro

Dim r As Decimal '保存計(jì)算結(jié)果的變量

Dim t As String = TextBox1.Text '用于保存文本框中的算術(shù)表達(dá)式

Dim space As Integer = t.IndexOf(" ") '搜索空格位置,如果沒(méi)有空格，返回值為0

'字符串的取子符方法，第二個(gè)參數(shù)小于0，則將產(chǎn)生錯(cuò)誤號(hào)為5的異常，即過(guò)程參數(shù)不正確

Dim s1 As String = t.Substring(0, space) '通過(guò)取子串方法獲得第一個(gè)運(yùn)算數(shù)

Dim op As String = t.Substring(space + 1, 1) '通過(guò)取子串方法獲得運(yùn)算符

Dim s2 As String = t.Substring(space + 3) '通過(guò)取子串方法獲得第二個(gè)運(yùn)算數(shù)

Dim arg1, arg2 As Integer

arg1 = Val(s1) : arg2 = Val(s2)

Select Case op

Case "+" : r = arg1 + arg2

Case "-" : r = arg1 - arg2

Case "*" : r = arg1 * arg2

Case "/" : r = arg1 / arg2

Case Else

MsgBox("輸入的運(yùn)算符有誤！")

Exit Sub

End Select

TextBox1.Text = CStr(r) '顯示結(jié)果

Exit Sub '退出過(guò)程

ErrorPro: '錯(cuò)誤處理程序塊

Select Case Err.Number

Case 6 '除數(shù)為零時(shí)，或運(yùn)算溢出時(shí)的錯(cuò)誤號(hào)

MsgBox("算術(shù)運(yùn)算溢出！", , "溢出提示")

TextBox1.Focus()

Exit Sub

Case 5 ' Substring過(guò)程的參數(shù)不符合要求的錯(cuò)誤號(hào)

MsgBox("必須輸入運(yùn)算符和第二個(gè)運(yùn)算數(shù)！", , "運(yùn)算數(shù)少")

Exit Sub

Case Else

'其它情況顯示錯(cuò)誤號(hào)和錯(cuò)誤原因

MsgBox("錯(cuò)誤號(hào)為" Err.Number Chr(10) Chr(13) "錯(cuò)誤原因：" Err.Description)

Exit Sub

End Select

End Sub

End Class

vb.net源代碼如何生成exe格式

vb.net編譯出來(lái)的exe只有依賴(lài).net

framework才能運(yùn)行

但有一些第三方工具可以用來(lái)把exe用到的assembly和dll打包成一個(gè)exe文件，不過(guò)這樣的結(jié)果就是exe體積非常大

比如.netz工具，它的官方地址：

使用很簡(jiǎn)單，比如你的exe文件是a.exe，直接netz

a.exe就可以把a(bǔ)和它用到的.net代碼一起打包成一個(gè)exe

分享標(biāo)題：vb.net代碼生成器,VB編程器
分享URL：http://m.rwnh.cn/article10/phjodo.html

成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián)，為您提供服務(wù)器托管、自適應(yīng)網(wǎng)站、響應(yīng)式網(wǎng)站、搜索引擎優(yōu)化、軟件開(kāi)發(fā)、網(wǎng)站制作

廣告

聲明：本網(wǎng)站發(fā)布的內(nèi)容（圖片、視頻和文字）以用戶(hù)投稿、用戶(hù)轉(zhuǎn)載內(nèi)容為主，如果涉及侵權(quán)請(qǐng)盡快告知，我們將會(huì)在第一時(shí)間刪除。文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng)，如需處理請(qǐng)聯(lián)系客服。電話(huà)：028-86922220；郵箱：631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載，或轉(zhuǎn)載時(shí)需注明來(lái)源： 創(chuàng)新互聯(lián)