T4模板_根据DB生成实体类

<#@ template language="C#" debug="True" hostspecific="True" #>

<#@ assembly name="System.Data" #> 

<#@ assembly name="System.xml" #>

<#@ import namespace="System.Collections.Generic" #>

<#@ import namespace="System.Data.SqlClient" #>

<#@ import namespace="System.Data" #>

<#@ output extension=".cs" #>

 using System;

namespace Test.T4

{     

      <#

           string connectionString="data source=(local);initial catalog=musicstore;user id=sa;password=123456;";

           SqlConnection conn = new SqlConnection(connectionString);

           conn.Open();

           DataTable schema = conn.GetSchema("TABLES");

           string strSql = "select * from @tableName";

           SqlCommand command = new SqlCommand(strSql,conn);

           SqlDataAdapter ad = new SqlDataAdapter(command);

           DataSet ds = new DataSet();        

           foreach(DataRow row in schema.Rows)

           {  #>  

           public class <#= row["TABLE_NAME"].ToString().Trim() #>                   

           {    <#                     

                   ds.Tables.Clear();

                  command.CommandText = strSql.Replace("@tableName",row["TABLE_NAME"].ToString());

                  ad.FillSchema(ds, SchemaType.Mapped, row["TABLE_NAME"].ToString());         
               
                  foreach (DataColumn dc in ds.Tables[0].Columns)

                  {    #>                    
                  public <#= dc.DataType.Name #> <#= dc.ColumnName #> { get; set; }
              <# }  #>         
           }                  

           <# 
                  
           } #>                
           <# conn.Close(); #>
}