一个简单的代码生成“器” - 中国WEB开发者网络 (http://www.webasp.net) -- 技术教程 (http://www.webasp.net/article/) --- 一个简单的代码生成“器” (http://www.webasp.net/article/14/13615.htm) |
| -- 作者:未知 -- 发布日期: 2004-10-09 |
| '//一个简单的代码生成“器”
'//在比较大的数据库操作时,对字段操作有好多变量、属性、函数的类似的重复性的大量代码 '//如果一个个来重写,确是令人烦躁的事,因此自己弄了一个小程序作这部分工作。 Public Class FrmPropertyCode Inherits System.Windows.Forms.Form #Region " Windows 窗体设计器生成的代码 " Public Sub New() MyBase.New() '该调用是 Windows 窗体设计器所必需的。 InitializeComponent() '在 InitializeComponent() 调用之后添加任何初始化 Initialize() End Sub '窗体重写 dispose 以清理组件列表。 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 窗体设计器所必需的 Private components As System.ComponentModel.IContainer '注意: 以下过程是 Windows 窗体设计器所必需的 '可以使用 Windows 窗体设计器修改此过程。 '不要使用代码编辑器修改它。 Friend WithEvents VariableTextBox As System.Windows.Forms.TextBox Friend WithEvents CodeTextBox As System.Windows.Forms.TextBox Friend WithEvents PropertyComboBox As System.Windows.Forms.ComboBox Friend WithEvents PropertyTextBox As System.Windows.Forms.TextBox Friend WithEvents SavePropertyButton As System.Windows.Forms.Button Friend WithEvents BuildCodeButton As System.Windows.Forms.Button Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents Label2 As System.Windows.Forms.Label Friend WithEvents Label3 As System.Windows.Forms.Label Friend WithEvents Label4 As System.Windows.Forms.Label <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(FrmPropertyCode)) Me.VariableTextBox = New System.Windows.Forms.TextBox Me.CodeTextBox = New System.Windows.Forms.TextBox Me.PropertyComboBox = New System.Windows.Forms.ComboBox Me.PropertyTextBox = New System.Windows.Forms.TextBox Me.SavePropertyButton = New System.Windows.Forms.Button Me.BuildCodeButton = New System.Windows.Forms.Button Me.Label1 = New System.Windows.Forms.Label Me.Label2 = New System.Windows.Forms.Label Me.Label3 = New System.Windows.Forms.Label Me.Label4 = New System.Windows.Forms.Label Me.SuspendLayout() ' 'VariableTextBox ' Me.VariableTextBox.Anchor = CType(((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _ Or System.Windows.Forms.AnchorStyles.Left), System.Windows.Forms.AnchorStyles) Me.VariableTextBox.Location = New System.Drawing.Point(8, 48) Me.VariableTextBox.Multiline = True Me.VariableTextBox.Name = "VariableTextBox" Me.VariableTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Both Me.VariableTextBox.Size = New System.Drawing.Size(168, 176) Me.VariableTextBox.TabIndex = 0 Me.VariableTextBox.Text = "" ' 'CodeTextBox ' Me.CodeTextBox.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _ Or System.Windows.Forms.AnchorStyles.Left) _ Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.CodeTextBox.BackColor = System.Drawing.SystemColors.Info Me.CodeTextBox.Location = New System.Drawing.Point(192, 48) Me.CodeTextBox.Multiline = True Me.CodeTextBox.Name = "CodeTextBox" Me.CodeTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Both Me.CodeTextBox.Size = New System.Drawing.Size(344, 176) Me.CodeTextBox.TabIndex = 1 Me.CodeTextBox.Text = "" ' 'PropertyComboBox ' Me.PropertyComboBox.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Left), System.Windows.Forms.AnchorStyles) Me.PropertyComboBox.BackColor = System.Drawing.SystemColors.Info Me.PropertyComboBox.Location = New System.Drawing.Point(88, 240) Me.PropertyComboBox.Name = "PropertyComboBox" Me.PropertyComboBox.Size = New System.Drawing.Size(224, 20) Me.PropertyComboBox.TabIndex = 2 ' 'PropertyTextBox ' Me.PropertyTextBox.Anchor = CType(((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Left) _ Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.PropertyTextBox.BackColor = System.Drawing.SystemColors.Info Me.PropertyTextBox.Location = New System.Drawing.Point(8, 296) Me.PropertyTextBox.Multiline = True Me.PropertyTextBox.Name = "PropertyTextBox" Me.PropertyTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Both Me.PropertyTextBox.Size = New System.Drawing.Size(536, 112) Me.PropertyTextBox.TabIndex = 3 Me.PropertyTextBox.Text = "" ' 'SavePropertyButton ' Me.SavePropertyButton.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Left), System.Windows.Forms.AnchorStyles) Me.SavePropertyButton.FlatStyle = System.Windows.Forms.FlatStyle.Flat Me.SavePropertyButton.Location = New System.Drawing.Point(320, 240) Me.SavePropertyButton.Name = "SavePropertyButton" Me.SavePropertyButton.Size = New System.Drawing.Size(104, 32) Me.SavePropertyButton.TabIndex = 4 Me.SavePropertyButton.Text = "保存样式" ' 'BuildCodeButton ' Me.BuildCodeButton.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.BuildCodeButton.FlatStyle = System.Windows.Forms.FlatStyle.Flat Me.BuildCodeButton.Location = New System.Drawing.Point(432, 240) Me.BuildCodeButton.Name = "BuildCodeButton" Me.BuildCodeButton.Size = New System.Drawing.Size(104, 32) Me.BuildCodeButton.TabIndex = 5 Me.BuildCodeButton.Text = "生成代码" ' 'Label1 ' Me.Label1.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Left), System.Windows.Forms.AnchorStyles) Me.Label1.Location = New System.Drawing.Point(8, 240) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(80, 23) Me.Label1.TabIndex = 6 Me.Label1.Text = "样式选择:" ' 'Label2 ' Me.Label2.Location = New System.Drawing.Point(8, 16) Me.Label2.Name = "Label2" Me.Label2.Size = New System.Drawing.Size(88, 23) Me.Label2.TabIndex = 7 Me.Label2.Text = "变量框:" ' 'Label3 ' Me.Label3.Location = New System.Drawing.Point(192, 16) Me.Label3.Name = "Label3" Me.Label3.Size = New System.Drawing.Size(96, 23) Me.Label3.TabIndex = 8 Me.Label3.Text = "代码框:" ' 'Label4 ' Me.Label4.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Left), System.Windows.Forms.AnchorStyles) Me.Label4.Location = New System.Drawing.Point(8, 272) Me.Label4.Name = "Label4" Me.Label4.Size = New System.Drawing.Size(96, 17) Me.Label4.TabIndex = 9 Me.Label4.Text = "样式框:" ' 'FrmPropertyCode ' Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14) Me.ClientSize = New System.Drawing.Size(552, 421) Me.Controls.Add(Me.Label4) Me.Controls.Add(Me.Label3) Me.Controls.Add(Me.Label2) Me.Controls.Add(Me.Label1) Me.Controls.Add(Me.BuildCodeButton) Me.Controls.Add(Me.SavePropertyButton) Me.Controls.Add(Me.PropertyTextBox) Me.Controls.Add(Me.CodeTextBox) Me.Controls.Add(Me.VariableTextBox) Me.Controls.Add(Me.PropertyComboBox) Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon) Me.Name = "FrmPropertyCode" Me.Text = "属性代码生成器" Me.ResumeLayout(False) End Sub #End Region '//以下为添加代码 Private ds As New DataSet '//以下两个变量存放当前记录值,在SavePropertyButton函数中用来判断进行相关操作 Private CurrentName As String = "" Private CurrentText As String = "" Private WithEvents Manager As CurrencyManager Private Sub Initialize() Application.DoEvents() '//读取XML架构文件 ds.ReadXmlSchema("Property.xsd") '//读取XML数据文件 ds.ReadXml("Property.xml") Me.PropertyComboBox.DataSource = ds.Tables(0) Me.PropertyComboBox.DisplayMember = "Name" Me.PropertyTextBox.DataBindings.Add(New Binding("Text", ds.Tables(0), "Text")) Manager = CType(Me.BindingContext(ds.Tables(0)), CurrencyManager) End Sub Private Sub SavePropertyButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SavePropertyButton.Click '//改名 If Not Me.PropertyComboBox.Text.Equals(CurrentName) AndAlso Me.PropertyTextBox.Text.Equals(CurrentText) Then CType(Manager.Current, DataRowView).Row("Name") = Me.PropertyComboBox.Text End If '//改内容 If Me.PropertyComboBox.Text.Equals(CurrentName) AndAlso Not Me.PropertyTextBox.Text.Equals(CurrentText) Then CType(Manager.Current, DataRowView).Row("Text") = Me.PropertyTextBox.Text End If '//新增 If Not Me.PropertyComboBox.Text.Equals(CurrentName) AndAlso Not Me.PropertyTextBox.Text.Equals(CurrentText) Then CType(Manager.Current, DataRowView).Row("Text") = CurrentText Dim Row As DataRow = ds.Tables(0).NewRow Row("Name") = Me.PropertyComboBox.Text Row("Text") = Me.PropertyTextBox.Text ds.Tables(0).Rows.Add(Row) End If ds.Tables(0).AcceptChanges() '//保存数据 ds.WriteXml("Property.Xml") Manager.Refresh() Manager.Position = ds.Tables(0).Rows.Count - 1 End Sub Private Sub Position_Changed(ByVal sender As Object, ByVal e As EventArgs) Handles Manager.PositionChanged CurrentName = Me.PropertyComboBox.Text CurrentText = Me.PropertyTextBox.Text End Sub Private Sub BuildCodeButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BuildCodeButton.Click Me.CodeTextBox.Clear() Dim Line As String For Each Line In Me.VariableTextBox.Lines Me.CodeTextBox.AppendText(String.Format(Me.PropertyTextBox.Text, Line.Split(","c))) Me.CodeTextBox.AppendText(ControlChars.CrLf) Next End Sub End Class '//以下为架构文件Property.xsd内容 <?xml version="1.0" encoding="utf-8" ?> <xs:schema id="Property" targetNamespace="http://tempuri.org/Property.xsd" elementFormDefault="qualified" xmlns="http://tempuri.org/Property.xsd" xmlns:mstns="http://tempuri.org/Property.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:element name="PropertyCollection"> <xs:complexType> <xs:sequence> <xs:element name="Property" type="Property" /> </xs:sequence> </xs:complexType> <xs:key name="PropertyCollectionKey1"> <xs:selector xpath=".//mstns:Property" /> <xs:field xpath="mstns:Name" /> </xs:key> </xs:element> <xs:complexType name="Property"> <xs:sequence> <xs:element name="Name" type="xs:string" /> <xs:element name="Text" type="xs:string" /> </xs:sequence> </xs:complexType> </xs:schema> '//以下为数据文件Property.XML内容 <?xml version="1.0" encoding="utf-8" ?> <PropertyCollection xmlns="http://tempuri.org/Property.xsd"> <Property> <Name>声明_Private_Integer</Name> <Text>Private _{0} As Integer</Text> </Property> <Property> <Name>声明_Private_String</Name> <Text>Private _{0} As String</Text> </Property> <Property> <Name>属性_Protected_String</Name> <Text>Public ReadOnly Property {0} AS String Get Return _{0} End Get End Property</Text> </Property> </PropertyCollection> '//比较简单,反正是一时之用,使用效果见http://community.csdn.net/Expert/topic/3424/3424369.xml?temp=.4860041 |
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