数据库实体类生成器-优快云博客

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

using System;
2

using System.Drawing;
3

using System.Collections;
4

using System.Collections.Specialized;
5

using System.ComponentModel;
6

using System.Windows.Forms;
7

using System.Data;
8

using System.IO;
9

using System.Text;
10

using System.Data.SqlClient;
11

using System.Data.SqlTypes;
12

namespace WindowsApplication1
14

{
15

/**//// <summary>
16

/// Form1 的摘要说明。
17

/// </summary>
18

public class Form1 : System.Windows.Forms.Form
19

{
20

private System.Windows.Forms.ListBox listBox1;
21

private System.Windows.Forms.Button button1;
22

private System.Windows.Forms.ListView listView1;
23

private System.Windows.Forms.Button button2;
24

private System.Windows.Forms.ComboBox comboBox1;
25

private System.Windows.Forms.TextBox textBox1;
26

private System.Windows.Forms.FolderBrowserDialog folderBrowserDialog1;
27

private System.Windows.Forms.Label label1;
28

private System.Windows.Forms.ComboBox comboBox2;
29

private System.Windows.Forms.Label label2;
30

private System.Windows.Forms.Label label3;
31

/**//// <summary>
33

/// 必需的设计器变量。
34

/// </summary>
35

private System.ComponentModel.Container components = null;
36

public Form1()
38

{
39

//
40

// Windows 窗体设计器支持所必需的
41

//
42

InitializeComponent();
43

this.MaximizeBox = false;
44

this.Text = "Create Tabel Class Tools";
45

this.button1.Text = "Import";
46

this.button2.Text = "Create";
47

listView1.View = View.Details;
48

listView1.GridLines = true;
49

listView1.Columns.Add("NO", -2, HorizontalAlignment.Left);
50

listView1.Columns.Add("ColumnName", -2, HorizontalAlignment.Left);
51

listView1.Columns.Add("Type", -2, HorizontalAlignment.Left);
52

listView1.Columns.Add("Length", -2, HorizontalAlignment.Left);
53

this.comboBox2.Items.Add("local");
54

this.comboBox2.Text = "local";
55

SQLDMO.NameList strServerNames;
56

SQLDMO.ApplicationClass sqldmoApp = new SQLDMO.ApplicationClass();
57

try
58

{
59

strServerNames = sqldmoApp.ListAvailableSQLServers();
60

for(int i= 0 ;i<strServerNames.Count;i++)
61

this.comboBox2.Items.Add(strServerNames.Item(i));
62

}
63

catch
64

{
65

MessageBox.Show("Can not connect to other services");
66

}
67

finally
68

{
69

sqldmoApp.Quit();
70

}
71

ComBoxListDataLoad(this.comboBox2.Text);
73

this.textBox1.Text = string.Empty;
74

this.label1.Text = string.Empty;
75

this.label2.Text = "Servers:";
76

this.label3.Text = "DataBase:";
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this.label1.AutoSize = true;
78

this.label2.AutoSize = true;
79

this.label3.AutoSize = true;
80

//
82

// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
83

//
84

}
85

/**//// <summary>
87

/// 清理所有正在使用的资源。
88

/// </summary>
89

protected override void Dispose( bool disposing )
90

{
91

if( disposing )
92

{
93

if (components != null)
94

{
95

components.Dispose();
96

}
97

}
98

base.Dispose( disposing );
99

}
100

101

Windows 窗体设计器生成的代码#region Windows 窗体设计器生成的代码
102

/**//// <summary>
103

/// 设计器支持所需的方法 - 不要使用代码编辑器修改
104

/// 此方法的内容。
105

/// </summary>
106

private void InitializeComponent()
107

{
108

this.listBox1 = new System.Windows.Forms.ListBox();
109

this.button1 = new System.Windows.Forms.Button();
110

this.listView1 = new System.Windows.Forms.ListView();
111

this.button2 = new System.Windows.Forms.Button();
112

this.comboBox1 = new System.Windows.Forms.ComboBox();
113

this.textBox1 = new System.Windows.Forms.TextBox();
114

this.folderBrowserDialog1 = new System.Windows.Forms.FolderBrowserDialog();
115

this.label1 = new System.Windows.Forms.Label();
116

this.comboBox2 = new System.Windows.Forms.ComboBox();
117

this.label2 = new System.Windows.Forms.Label();
118

this.label3 = new System.Windows.Forms.Label();
119

this.SuspendLayout();
120

//
121

// listBox1
122

//
123

this.listBox1.ItemHeight = 12;
124

this.listBox1.Location = new System.Drawing.Point(8, 40);
125

this.listBox1.Name = "listBox1";
126

this.listBox1.Size = new System.Drawing.Size(128, 208);
127

this.listBox1.TabIndex = 0;
128

this.listBox1.SelectedIndexChanged += new System.EventHandler(this.listBox1_SelectedIndexChanged);
129

//
130

// button1
131

//
132

this.button1.Location = new System.Drawing.Point(424, 8);
133

this.button1.Name = "button1";
134

this.button1.Size = new System.Drawing.Size(64, 23);
135

this.button1.TabIndex = 1;
136

this.button1.Text = "button1";
137

this.button1.Click += new System.EventHandler(this.button1_Click);
138

//
139

// listView1
140

//
141

this.listView1.Location = new System.Drawing.Point(144, 40);
142

this.listView1.Name = "listView1";
143

this.listView1.Size = new System.Drawing.Size(376, 240);
144

this.listView1.TabIndex = 3;
145

this.listView1.ColumnClick += new System.Windows.Forms.ColumnClickEventHandler(this.listView1_ColumnClick);
146

//
147

// button2
148

//
149

this.button2.Location = new System.Drawing.Point(8, 256);
150

this.button2.Name = "button2";
151

this.button2.Size = new System.Drawing.Size(56, 23);
152

this.button2.TabIndex = 4;
153

this.button2.Text = "button2";
154

this.button2.Click += new System.EventHandler(this.button2_Click);
155

//
156

// comboBox1
157

//
158

this.comboBox1.Location = new System.Drawing.Point(288, 8);
159

this.comboBox1.Name = "comboBox1";
160

this.comboBox1.Size = new System.Drawing.Size(128, 20);
161

this.comboBox1.TabIndex = 5;
162

this.comboBox1.Text = "comboBox1";
163

//
164

// textBox1
165

//
166

this.textBox1.Location = new System.Drawing.Point(8, 312);
167

this.textBox1.Multiline = true;
168

this.textBox1.Name = "textBox1";
169

this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Both;
170

this.textBox1.Size = new System.Drawing.Size(512, 136);
171

this.textBox1.TabIndex = 6;
172

this.textBox1.Text = "textBox1";
173

//
174

// label1
175

//
176

this.label1.Location = new System.Drawing.Point(8, 288);
177

this.label1.Name = "label1";
178

this.label1.Size = new System.Drawing.Size(512, 23);
179

this.label1.TabIndex = 7;
180

this.label1.Text = "label1";
181

//
182

// comboBox2
183

//
184

this.comboBox2.Location = new System.Drawing.Point(80, 8);
185

this.comboBox2.Name = "comboBox2";
186

this.comboBox2.Size = new System.Drawing.Size(121, 20);
187

this.comboBox2.TabIndex = 8;
188

this.comboBox2.Text = "comboBox2";
189

//
190

// label2
191

//
192

this.label2.Location = new System.Drawing.Point(8, 8);
193

this.label2.Name = "label2";
194

this.label2.Size = new System.Drawing.Size(48, 23);
195

this.label2.TabIndex = 9;
196

this.label2.Text = "label2";
197

//
198

// label3
199

//
200

this.label3.Location = new System.Drawing.Point(216, 8);
201

this.label3.Name = "label3";
202

this.label3.Size = new System.Drawing.Size(48, 23);
203

this.label3.TabIndex = 10;
204

this.label3.Text = "label3";
205

//
206

// Form1
207

//
208

this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
209

this.ClientSize = new System.Drawing.Size(552, 453);
210

this.Controls.Add(this.label3);
211

this.Controls.Add(this.label2);
212

this.Controls.Add(this.comboBox2);
213

this.Controls.Add(this.label1);
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this.Controls.Add(this.textBox1);
215

this.Controls.Add(this.comboBox1);
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this.Controls.Add(this.button2);
217

this.Controls.Add(this.listView1);
218

this.Controls.Add(this.button1);
219

this.Controls.Add(this.listBox1);
220

this.Name = "Form1";
221

this.Text = "Form1";
222

this.Load += new System.EventHandler(this.Form1_Load);
223

this.ResumeLayout(false);
224

225

}
226

#endregion
227

228

/**//// <summary>
229

/// 应用程序的主入口点。
230

/// </summary>
231

[STAThread]
232

static void Main()
233

{
234

Application.Run(new Form1());
235

}
236

237

public void SqlConn()
238

{
239

SqlConnection v_SqlConnection = new SqlConnection(ConnectString());
240

241

try
242

{
243

v_SqlConnection.Open();
244

string strSql = "SELECT name AS tabelName FROM dbo.sysobjects WHERE (type = 'U') AND (name <> N'dtproperties') Order By tabelName";
245

SqlCommand v_SqlCommand = new SqlCommand(strSql,v_SqlConnection);
246

SqlDataReader v_SqlDataReader =v_SqlCommand.ExecuteReader();
247

while(v_SqlDataReader.Read())
248

{
249

this.listBox1.Items.Add(v_SqlDataReader["tabelName"].ToString());
250

}
251

}
252

catch(SqlException se)
253

{
254

MessageBox.Show(se.ToString());
255

}
256

finally
257

{
258

v_SqlConnection.Close();
259

}
260

}
261

262

public string ConnectString()
263

{
264

return string.Format("Integrated Security=SSPI;Initial Catalog={0};Data Source=({1})",this.comboBox1.SelectedItem,this.comboBox2.Text);
265

}
266

private void Form1_Load(object sender, System.EventArgs e)
267

{
268

}
269

270

private void button1_Click(object sender, System.EventArgs e)
271

{
272

this.listBox1.Items.Clear();
273

SqlConn();
274

}
275

276

private void listBox1_SelectedIndexChanged(object sender, System.EventArgs e)
277

{
278

SqlConnection v_SqlConnection = new SqlConnection(ConnectString());
279

try
280

{
281

v_SqlConnection.Open();
282

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);
283

SqlCommand v_SqlCommand = new SqlCommand(strSql,v_SqlConnection);
284

SqlDataReader v_SqlDataReader =v_SqlCommand.ExecuteReader();
285

int i= 0;
286

this.listView1.Items.Clear();
287

while(v_SqlDataReader.Read())
288

{
289

ListViewItem v_ListViewItem = new ListViewItem();
290

v_ListViewItem.SubItems[0].Text = i.ToString();
291

v_ListViewItem.SubItems.Add(v_SqlDataReader[0].ToString());
292

v_ListViewItem.SubItems.Add(v_SqlDataReader[1].ToString());
293

v_ListViewItem.SubItems.Add(v_SqlDataReader[2].ToString());
294

this.listView1.Items.Add(v_ListViewItem);
295

i++;
296

}
297

}
298

catch(SqlException se)
299

{
300

MessageBox.Show(se.ToString());
301

}
302

finally
303

{
304

v_SqlConnection.Close();
305

}
306

}
307

308

private void button2_Click(object sender, System.EventArgs e)
309

{
310

311

if(this.listBox1.SelectedItem == null)
312

{
313

MessageBox.Show("Please select one table,then try again","Opreat wrong");
314

return ;
315

}
316

this.folderBrowserDialog1.ShowDialog();
317

this.label1.Text = folderBrowserDialog1.SelectedPath +"\\" + this.listBox1.SelectedItem.ToString() + ".cs";
318

319

StreamWriter v_StreamWriter = new StreamWriter(folderBrowserDialog1.SelectedPath +"\\" + this.listBox1.SelectedItem.ToString() + ".cs",false,Encoding.Unicode);
320

321

string strText = "using System;\r\n using System.Data;\r\n namespace BE \r\n{ public class " + this.listBox1.SelectedItem + "\r\n {" ;
322

323

strText += "public " + this.listBox1.SelectedItem + "(){} \r\n";
324

foreach(ListViewItem v_ListViewItem in this.listView1.Items)
325

{
326

strText += "private " + StrSqlType(v_ListViewItem.SubItems[2].Text) + " _" + v_ListViewItem.SubItems[1].Text + ";\r\n";
327

}
328

strText += "\r\n\r\n";
329

330

foreach(ListViewItem v_ListViewItem in this.listView1.Items)
331

{
332

strText += "/// <summary> \r\n" + "///"+ v_ListViewItem.SubItems[1].Text + " " + v_ListViewItem.SubItems[2].Text + "\r\n/// </summary>\r\n";
333

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" ;
334

strText += "\r\n";
335

}
336

337

strText += "}\r\n}";
338

v_StreamWriter.Write(strText);
339

v_StreamWriter.Close();
340

this.textBox1.Text = strText;
341

}
342

public string StrSqlType(string strType)
343

{
344

switch (strType)
345

{
346

case "bigint":
347

return "long";
348

case "int ":
349

return "int";
350

case "smallint":
351

return "short";
352

case "tinyint":
353

return "short";
354

case "bit":
355

return "boolean";
356

case "decimal":
357

return "decimal";
358

case "numeric":
359

return "decimal";
360

case "money":
361

return "string";
362

case "smallmoney":
363

return "string";
364

case "float":
365

return "float";
366

case "real":
367

return "float";
368

case "datetime":
369

return "DateTime";
370

case "smalldatetime":
371

return "DateTime";
372

case "char":
373

return "char";
374

case "varchar":
375

return "string";
376

case "text":
377

return "string";
378

case "nchar":
379

return "string";
380

case "nvarchar":
381

return "string";
382

case "ntext":
383

return "string";
384

case "binary":
385

return "byte";
386

case "varbinary":
387

return "byte";
388

case "image":
389

return "string";
390

case "uniqueidentifier":
391

return "Guid";
392

default :
393

return "string";
394

}
395

}
396

397

public void ComBoxListDataLoad(string strServerName)
398

{
399

SqlConnection v_SqlConnection = new SqlConnection(string.Format("Integrated Security=SSPI;Initial Catalog=Master;Data Source=({0})",strServerName));
400

try
401

{
402

v_SqlConnection.Open();
403

string strSql = "SELECT TOP 100 PERCENT name AS DBName FROM dbo.sysdatabases ORDER BY name DESC";
404

SqlCommand v_SqlCommand = new SqlCommand(strSql,v_SqlConnection);
405

SqlDataReader v_SqlDataReader =v_SqlCommand.ExecuteReader();
406

this.comboBox1.Text = "";
407

while(v_SqlDataReader.Read())
408

{
409

this.comboBox1.Items.Add(v_SqlDataReader["DBName"]);
410

}
411

}
412