CodeSmith生成实体类是如何实现的

<%@ CodeTemplate Language="C#" TargetLanguage="C#" ResponseEncoding="UTF-8" Debug="False" Description="生成数据库实体" %>
<%@ Property Name="SourceTable" Type="SchemaExplorer.TableSchema" Category="属性" Description="要生成实体的数据表" %>
<%@ Property Name="NameSpace" Type="System.String" Optional="False" Default="Modul" Category="属性" Description="实体类所在的命名空间" %>
<%@ Property Name="opuser" Type="System.String" Default="wlitsoft" Optional="False" Category="属性" Description="请输入您的名字" %>
<%@ Map Name="CSharpAlias" Src="System-CSharpAlias" Description="System to C# Type Map" %>
<%@ Assembly Name="SchemaExplorer" %>
<%@ Import Namespace="SchemaExplorer" %>/**本代码由代码生成器自动生成，请不要更改此文件的任何代码。
*生成时间：<%= DateTime.Now.ToLocalTime() %>
*生成者：<%= opuser %>*/using System;namespace <%= this.NameSpace %>{ ///<summary>
 ///表<%= this.SourceTable.Name %>的实体类 ///</summary>
 public class <%= this.SourceTable.Name %>
 { <%--生成私有字段.net2.0--%>
 <% foreach (ColumnSchema column in this.SourceTable.Columns) { %> private <%= CSharpAlias[column.SystemType.FullName] %> <%= StringUtil.ToCamelCase(column.Name) %>; <% } %>
 
 <% foreach(ColumnSchema column in this.SourceTable.Columns){%> 
 <%--生成get set 方法--%> /// <summary>
 /// <%= column.Description %>
 /// </summary>
 public <%= CSharpAlias[column.SystemType.FullName] %> <%= StringUtil.ToPascalCase(column.Name) %>
 { get { return <%= StringUtil.ToCamelCase(column.Name) %>; } set { <%= StringUtil.ToCamelCase(column.Name) %> = value; }
 } <%}%>
 
 }
}