一个生成数据库实体类的代码
在项目中可以很容易生成数据库实体类,提高开发的效率
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using System;
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using System.Drawing;
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using System.Collections;
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using System.Collections.Specialized;
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using System.ComponentModel;
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using System.Windows.Forms;
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using System.Data;
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using System.IO;
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using System.Text;
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using System.Data.SqlClient;
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using System.Data.SqlTypes;
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namespace WindowsApplication1
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{
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/// <summary>
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/// Form1 的摘要说明。
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/// </summary>
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public class Form1 : System.Windows.Forms.Form
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{
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private System.Windows.Forms.ListBox listBox1;
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private System.Windows.Forms.Button button1;
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private System.Windows.Forms.ListView listView1;
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private System.Windows.Forms.Button button2;
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private System.Windows.Forms.ComboBox comboBox1;
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private System.Windows.Forms.TextBox textBox1;
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private System.Windows.Forms.FolderBrowserDialog folderBrowserDialog1;
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private System.Windows.Forms.Label label1;
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private System.Windows.Forms.ComboBox comboBox2;
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private System.Windows.Forms.Label label2;
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private System.Windows.Forms.Label label3;
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/// <summary>
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/// 必需的设计器变量。
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/// </summary>
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private System.ComponentModel.Container components = null;
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public Form1()
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{
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//
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// Windows 窗体设计器支持所必需的
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//
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InitializeComponent();
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this.MaximizeBox = false;
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this.Text = "Create Tabel Class Tools";
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this.button1.Text = "Import";
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this.button2.Text = "Create";
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listView1.View = View.Details;
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listView1.GridLines = true;
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listView1.Columns.Add("NO", -2, HorizontalAlignment.Left);
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listView1.Columns.Add("ColumnName", -2, HorizontalAlignment.Left);
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listView1.Columns.Add("Type", -2, HorizontalAlignment.Left);
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listView1.Columns.Add("Length", -2, HorizontalAlignment.Left);
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this.comboBox2.Items.Add("local");
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this.comboBox2.Text = "local";
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SQLDMO.NameList strServerNames;
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SQLDMO.ApplicationClass sqldmoApp = new SQLDMO.ApplicationClass();
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try
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{
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strServerNames = sqldmoApp.ListAvailableSQLServers();
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for(int i= 0 ;i<strServerNames.Count;i++)
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this.comboBox2.Items.Add(strServerNames.Item(i));
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}
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catch
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{
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MessageBox.Show("Can not connect to other services");
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}
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finally
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{
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sqldmoApp.Quit();
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}
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ComBoxListDataLoad(this.comboBox2.Text);
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this.textBox1.Text = string.Empty;
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this.label1.Text = string.Empty;
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this.label2.Text = "Servers:";
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this.label3.Text = "DataBase:";
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this.label1.AutoSize = true;
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this.label2.AutoSize = true;
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this.label3.AutoSize = true;
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//
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// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
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//
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}
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/// <summary>
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/// 清理所有正在使用的资源。
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/// </summary>
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protected override void Dispose( bool disposing )
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{
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if( disposing )
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{
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if (components != null)
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{
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components.Dispose();
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}
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}
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base.Dispose( disposing );
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}
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Windows 窗体设计器生成的代码#region Windows 窗体设计器生成的代码
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/// <summary>
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/// 设计器支持所需的方法 - 不要使用代码编辑器修改
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/// 此方法的内容。
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/// </summary>
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private void InitializeComponent()
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{
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this.listBox1 = new System.Windows.Forms.ListBox();
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this.button1 = new System.Windows.Forms.Button();
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this.listView1 = new System.Windows.Forms.ListView();
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this.button2 = new System.Windows.Forms.Button();
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this.comboBox1 = new System.Windows.Forms.ComboBox();
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this.textBox1 = new System.Windows.Forms.TextBox();
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this.folderBrowserDialog1 = new System.Windows.Forms.FolderBrowserDialog();
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this.label1 = new System.Windows.Forms.Label();
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this.comboBox2 = new System.Windows.Forms.ComboBox();
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this.label2 = new System.Windows.Forms.Label();
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this.label3 = new System.Windows.Forms.Label();
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this.SuspendLayout();
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//
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// listBox1
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//
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this.listBox1.ItemHeight = 12;
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this.listBox1.Location = new System.Drawing.Point(8, 40);
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this.listBox1.Name = "listBox1";
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this.listBox1.Size = new System.Drawing.Size(128, 208);
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this.listBox1.TabIndex = 0;
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this.listBox1.SelectedIndexChanged += new System.EventHandler(this.listBox1_SelectedIndexChanged);
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//
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// button1
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//
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this.button1.Location = new System.Drawing.Point(424, 8);
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this.button1.Name = "button1";
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this.button1.Size = new System.Drawing.Size(64, 23);
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this.button1.TabIndex = 1;
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this.button1.Text = "button1";
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this.button1.Click += new System.EventHandler(this.button1_Click);
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//
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// listView1
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//
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this.listView1.Location = new System.Drawing.Point(144, 40);
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this.listView1.Name = "listView1";
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this.listView1.Size = new System.Drawing.Size(376, 240);
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this.listView1.TabIndex = 3;
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this.listView1.ColumnClick += new System.Windows.Forms.ColumnClickEventHandler(this.listView1_ColumnClick);
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//
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// button2
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//
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this.button2.Location = new System.Drawing.Point(8, 256);
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this.button2.Name = "button2";
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this.button2.Size = new System.Drawing.Size(56, 23);
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this.button2.TabIndex = 4;
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this.button2.Text = "button2";
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this.button2.Click += new System.EventHandler(this.button2_Click);
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//
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// comboBox1
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//
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this.comboBox1.Location = new System.Drawing.Point(288, 8);
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this.comboBox1.Name = "comboBox1";
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this.comboBox1.Size = new System.Drawing.Size(128, 20);
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this.comboBox1.TabIndex = 5;
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this.comboBox1.Text = "comboBox1";
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//
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// textBox1
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//
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this.textBox1.Location = new System.Drawing.Point(8, 312);
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this.textBox1.Multiline = true;
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this.textBox1.Name = "textBox1";
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this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Both;
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this.textBox1.Size = new System.Drawing.Size(512, 136);
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this.textBox1.TabIndex = 6;
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this.textBox1.Text = "textBox1";
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//
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// label1
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//
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this.label1.Location = new System.Drawing.Point(8, 288);
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this.label1.Name = "label1";
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this.label1.Size = new System.Drawing.Size(512, 23);
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this.label1.TabIndex = 7;
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this.label1.Text = "label1";
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//
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// comboBox2
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//
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this.comboBox2.Location = new System.Drawing.Point(80, 8);
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this.comboBox2.Name = "comboBox2";
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this.comboBox2.Size = new System.Drawing.Size(121, 20);
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this.comboBox2.TabIndex = 8;
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this.comboBox2.Text = "comboBox2";
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//
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// label2
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//
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this.label2.Location = new System.Drawing.Point(8, 8);
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this.label2.Name = "label2";
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this.label2.Size = new System.Drawing.Size(48, 23);
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this.label2.TabIndex = 9;
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this.label2.Text = "label2";
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//
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// label3
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//
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this.label3.Location = new System.Drawing.Point(216, 8);
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this.label3.Name = "label3";
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this.label3.Size = new System.Drawing.Size(48, 23);
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this.label3.TabIndex = 10;
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this.label3.Text = "label3";
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//
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// Form1
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//
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this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
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this.ClientSize = new System.Drawing.Size(552, 453);
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this.Controls.Add(this.label3);
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this.Controls.Add(this.label2);
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this.Controls.Add(this.comboBox2);
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this.Controls.Add(this.label1);
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this.Controls.Add(this.textBox1);
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this.Controls.Add(this.comboBox1);
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this.Controls.Add(this.button2);
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this.Controls.Add(this.listView1);
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this.Controls.Add(this.button1);
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this.Controls.Add(this.listBox1);
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this.Name = "Form1";
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this.Text = "Form1";
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this.Load += new System.EventHandler(this.Form1_Load);
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this.ResumeLayout(false);
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}
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#endregion
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/// <summary>
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/// 应用程序的主入口点。
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/// </summary>
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[STAThread]
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static void Main()
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{
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Application.Run(new Form1());
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}
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public void SqlConn()
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{
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SqlConnection v_SqlConnection = new SqlConnection(ConnectString());
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try
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{
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v_SqlConnection.Open();
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string strSql = "SELECT name AS tabelName FROM dbo.sysobjects WHERE (type = 'U') AND (name <> N'dtproperties') Order By tabelName";
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SqlCommand v_SqlCommand = new SqlCommand(strSql,v_SqlConnection);
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SqlDataReader v_SqlDataReader =v_SqlCommand.ExecuteReader();
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while(v_SqlDataReader.Read())
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{
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this.listBox1.Items.Add(v_SqlDataReader["tabelName"].ToString());
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}
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}
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catch(SqlException se)
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{
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MessageBox.Show(se.ToString());
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}
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finally
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{
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v_SqlConnection.Close();
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}
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}
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public string ConnectString()
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{
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return string.Format("Integrated Security=SSPI;Initial Catalog={0};Data Source=({1})",this.comboBox1.SelectedItem,this.comboBox2.Text);
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}
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private void Form1_Load(object sender, System.EventArgs e)
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{
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}
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private void button1_Click(object sender, System.EventArgs e)
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{
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this.listBox1.Items.Clear();
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SqlConn();
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}
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private void listBox1_SelectedIndexChanged(object sender, System.EventArgs e)
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{
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SqlConnection v_SqlConnection = new SqlConnection(ConnectString());
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try
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{
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v_SqlConnection.Open();
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string strSql = string.Format("SELECT dbo.syscolumns.name AS ColumnName, dbo.systypes.name AS TypeName, dbo.syscolumns.length FROM dbo.syscolumns INNER JOIN dbo.sysobjects ON dbo.syscolumns.id = dbo.sysobjects.id INNER JOIN dbo.systypes ON dbo.syscolumns.xtype = dbo.systypes.xtype WHERE (dbo.sysobjects.name = '{0}') and (dbo.systypes.name <> N'sysname') Order By ColumnName",this.listBox1.SelectedItem);
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SqlCommand v_SqlCommand = new SqlCommand(strSql,v_SqlConnection);
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SqlDataReader v_SqlDataReader =v_SqlCommand.ExecuteReader();
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int i= 0;
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this.listView1.Items.Clear();
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while(v_SqlDataReader.Read())
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{
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ListViewItem v_ListViewItem = new ListViewItem();
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v_ListViewItem.SubItems[0].Text = i.ToString();
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v_ListViewItem.SubItems.Add(v_SqlDataReader[0].ToString());
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v_ListViewItem.SubItems.Add(v_SqlDataReader[1].ToString());
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v_ListViewItem.SubItems.Add(v_SqlDataReader[2].ToString());
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this.listView1.Items.Add(v_ListViewItem);
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i++;
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}
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}
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catch(SqlException se)
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{
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MessageBox.Show(se.ToString());
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}
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finally
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{
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v_SqlConnection.Close();
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}
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}
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private void button2_Click(object sender, System.EventArgs e)
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{
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if(this.listBox1.SelectedItem == null)
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{
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MessageBox.Show("Please select one table,then try again","Opreat wrong");
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return ;
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}
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this.folderBrowserDialog1.ShowDialog();
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this.label1.Text = folderBrowserDialog1.SelectedPath +"\\" + this.listBox1.SelectedItem.ToString() + ".cs";
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StreamWriter v_StreamWriter = new StreamWriter(folderBrowserDialog1.SelectedPath +"\\" + this.listBox1.SelectedItem.ToString() + ".cs",false,Encoding.Unicode);
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string strText = "using System;\r\n using System.Data;\r\n namespace BE \r\n{ public class " + this.listBox1.SelectedItem + "\r\n {" ;
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strText += "public " + this.listBox1.SelectedItem + "(){} \r\n";
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foreach(ListViewItem v_ListViewItem in this.listView1.Items)
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{
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strText += "private " + StrSqlType(v_ListViewItem.SubItems[2].Text) + " _" + v_ListViewItem.SubItems[1].Text + ";\r\n";
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}
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strText += "\r\n\r\n";
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foreach(ListViewItem v_ListViewItem in this.listView1.Items)
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{
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strText += "/// <summary> \r\n" + "///"+ v_ListViewItem.SubItems[1].Text + " " + v_ListViewItem.SubItems[2].Text + "\r\n/// </summary>\r\n";
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strText += "public " + StrSqlType(v_ListViewItem.SubItems[2].Text) + " " + v_ListViewItem.SubItems[1].Text + "\r\n{ get{return _" + v_ListViewItem.SubItems[1].Text +";}\r\n" + "set{ _" + v_ListViewItem.SubItems[1].Text + "=value; }}\r\n" ;
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strText += "\r\n";
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}
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strText += "}\r\n}";
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v_StreamWriter.Write(strText);
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v_StreamWriter.Close();
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this.textBox1.Text = strText;
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}
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public string StrSqlType(string strType)
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{
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switch (strType)
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{
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case "bigint":
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return "long";
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case "int ":
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return "int";
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case "smallint":
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return "short";
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case "tinyint":
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return "short";
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case "bit":
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return "boolean";
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case "decimal":
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return "decimal";
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case "numeric":
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return "decimal";
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case "money":
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return "string";
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case "smallmoney":
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return "string";
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case "float":
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return "float";
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case "real":
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return "float";
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case "datetime":
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return "DateTime";
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case "smalldatetime":
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return "DateTime";
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case "char":
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return "char";
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case "varchar":
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return "string";
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case "text":
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return "string";
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case "nchar":
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return "string";
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case "nvarchar":
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return "string";
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case "ntext":
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return "string";
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case "binary":
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return "byte";
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case "varbinary":
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return "byte";
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case "image":
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return "string";
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case "uniqueidentifier":
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return "Guid";
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default :
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return "string";
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}
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}
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public void ComBoxListDataLoad(string strServerName)
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{
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SqlConnection v_SqlConnection = new SqlConnection(string.Format("Integrated Security=SSPI;Initial Catalog=Master;Data Source=({0})",strServerName));
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try
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{
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v_SqlConnection.Open();
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string strSql = "SELECT TOP 100 PERCENT name AS DBName FROM dbo.sysdatabases ORDER BY name DESC";
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SqlCommand v_SqlCommand = new SqlCommand(strSql,v_SqlConnection);
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SqlDataReader v_SqlDataReader =v_SqlCommand.ExecuteReader();
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this.comboBox1.Text = "";
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while(v_SqlDataReader.Read())
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{
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this.comboBox1.Items.Add(v_SqlDataReader["DBName"]);
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}
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}
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catch(SqlException se)
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{
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MessageBox.Show(se.ToString());
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}
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finally
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{
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v_SqlConnection.Close();
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}
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}
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private void listView1_ColumnClick(object sender, System.Windows.Forms.ColumnClickEventArgs e)
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{
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this.listView1.Sort();
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}
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}
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}
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转载于:https://www.cnblogs.com/Johson/archive/2007/08/28/database_class.html