T4自动生成数据库C#实体类学习（1）

第一个测试的Demo

 1 <#@ template language="C#" debug="True" hostspecific="True" #>
 2 <#@ output extension=".cs" #>
 3 <#@ assembly name="System.Data" #>
 4
 5 <#@ assembly name="System.xml" #>
 6 <#@ assembly name="System.Data.OracleClient" #>
 7 <#@ import namespace="System.Collections.Generic" #>
 8 <#@ import namespace="System.Data.OracleClient" #>
 9 <#@ import namespace="System.Data" #>
10
11 using System;
12 using System.Xml;
13 using System.Data;
14 using System.Data.OracleClient;
15
16 namespace MyProject.Entities
17 {
18     <#
19         string connectionString = "Data Source=orcl;User ID=sde;PassWord=sde";
20         OracleConnection conn = new OracleConnection(connectionString);
21         conn.Open();
22         string tableName= "T_USER";
23         string selectQuery = "select * from @tableName";
24         OracleCommand command = new OracleCommand(selectQuery,conn);
25         System.Data.DataSet ds = new DataSet();
26     #>
27
28         public class <#=  tableName#>
29         {
30             <#
31                 ds.Tables.Clear();
32                 OracleDataAdapter ad=new OracleDataAdapter(command);
33                 command.CommandText = selectQuery.Replace("@tableName", tableName);
34
35                 ad.FillSchema(ds, SchemaType.Mapped, tableName);
36
37                 foreach (DataColumn dc in ds.Tables[0].Columns)
38                 {
39             #>
40
41                 private <#= dc.DataType.Name  #> _<#= dc.ColumnName.Replace(dc.ColumnName[0].ToString(), dc.ColumnName[0].ToString().ToLower())      #>;
42
43
44                 public <#= dc.DataType.Name #> <#= dc.ColumnName #>
45                 {
46                     get { return _<#= dc.ColumnName.Replace(dc.ColumnName[0].ToString(), dc.ColumnName[0].ToString().ToLower()) #>; }
47                     set { _<#= dc.ColumnName.Replace(dc.ColumnName[0].ToString(), dc.ColumnName[0].ToString().ToLower()) #> = value; }
48                 }
49
50             <#
51                 }
52             #>
53
54
55             }
56
57             <#
58              #>
59 }