lyfz_repos/经典版源码/document/动软模板/简单三层模板/BLL.cmt

<#@ template language="c#" HostSpecific="True" #>
<#@ output extension= ".cs" #>
<#
	TableHost host = (TableHost)(Host);		
	string ModelSpace = host.NameSpace+".Model."+ host.GetModelClass(host.TableName);
	string DALSpace= host.NameSpace+".DAL."+ host.GetDALClass(host.TableName);
	ColumnInfo identityKey=host.IdentityKey;
	string returnValue = "void";
    if (identityKey!=null)
    {         
         returnValue = CodeCommon.DbTypeToCS(identityKey.TypeName);              
    }
#>
using System; 
using System.Text;
using System.Collections.Generic; 
using System.Data;
using Maticsoft.Common;
using Maticsoft.Model;
namespace <#= host.NameSpace #>.BLL <# if( host.Folder.Length > 0){ #>.<#= host.Folder #><# } #>
{
	<# if( host.TableDescription.Length > 0) {#>
 	//<#= host.TableDescription #>
	<# } #>
	public partial class <#= host.GetBLLClass(host.TableName) #>
	{
   		     
		private readonly <#= DALSpace #> dal=new <#= DALSpace #>();
		public <#= host.GetBLLClass(host.TableName) #>()
		{}
		
		#region  Method
		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(<#= CodeCommon.GetInParameter(host.Keys, false) #>)
		{
			return dal.Exists(<#= CodeCommon.GetFieldstrlist(host.Keys, false)#>);
		}

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public <#= returnValue #>  Add(<#= ModelSpace #> model)
		{
			<#if (identityKey!=null) {#>
			return dal.Add(model);
			<#} else {#>
			dal.Add(model);
			<#}#>			
		}

		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(<#= ModelSpace #> model)
		{
			return dal.Update(model);
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(<#=CodeCommon.GetInParameter(host.Keys, true)#>)
		{
			
			return dal.Delete(<#=CodeCommon.GetFieldstrlist(host.Keys, true)#>);
		}
		<#if (identityKey!=null) {#>
		/// <summary>
		/// 批量删除一批数据
		/// </summary>
		public bool DeleteList(string <#=identityKey.ColumnName#>list )
		{
			return dal.DeleteList(<#=identityKey.ColumnName#>list );
		}
		<#}#>

		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public <#= ModelSpace #> GetModel(<#= CodeCommon.GetInParameter(host.Keys,true) #>)
		{
			
			return dal.GetModel(<#=CodeCommon.GetFieldstrlist(host.Keys, true)#>);
		}

		/// <summary>
		/// 得到一个对象实体，从缓存中
		/// </summary>
		public <#= ModelSpace #> GetModelByCache(<#= CodeCommon.GetInParameter(host.Keys,true) #>)
		{
			
			string CacheKey = "<#= host.TableName #>Model-" + <#=CodeCommon.GetFieldstrlistAdd(host.Keys, true)#>;
			object objModel = Maticsoft.Common.DataCache.GetCache(CacheKey);
			if (objModel == null)
			{
				try
				{
					objModel = dal.GetModel(<#=CodeCommon.GetFieldstrlist(host.Keys, true)#>);
					if (objModel != null)
					{
						int ModelCache = Maticsoft.Common.ConfigHelper.GetConfigInt("ModelCache");
						Maticsoft.Common.DataCache.SetCache(CacheKey, objModel, DateTime.Now.AddMinutes(ModelCache), TimeSpan.Zero);
					}
				}
				catch{}
			}
			return (<#= ModelSpace #>)objModel;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			return dal.GetList(strWhere);
		}
		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			return dal.GetList(Top,strWhere,filedOrder);
		}
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public List<<#= ModelSpace #>> GetModelList(string strWhere)
		{
			DataSet ds = dal.GetList(strWhere);
			return DataTableToList(ds.Tables[0]);
		}
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public List<<#= ModelSpace #>> DataTableToList(DataTable dt)
		{
			List<<#= ModelSpace #>> modelList = new List<<#= ModelSpace #>>();
			int rowsCount = dt.Rows.Count;
			if (rowsCount > 0)
			{
				<#= ModelSpace #> model;
				for (int n = 0; n < rowsCount; n++)
				{
					model = new <#= ModelSpace #>();					
					<# foreach (ColumnInfo c in host.Fieldlist) { #>
				<# if(CodeCommon.DbTypeToCS(c.TypeName)=="int"||
				CodeCommon.DbTypeToCS(c.TypeName)=="long"||
				CodeCommon.DbTypeToCS(c.TypeName)=="float"||
				CodeCommon.DbTypeToCS(c.TypeName)=="DateTime"||
				CodeCommon.DbTypeToCS(c.TypeName)=="decimal")
				{#>
				if(dt.Rows[n]["<#=c.ColumnName#>"].ToString()!="")
				{
					model.<#=c.ColumnName#>=<#=CodeCommon.DbTypeToCS(c.TypeName)#>.Parse(dt.Rows[n]["<#=c.ColumnName#>"].ToString());
				}
				<# } #>
				<# if(CodeCommon.DbTypeToCS(c.TypeName)=="string") {#>
				model.<#=c.ColumnName#>= dt.Rows[n]["<#=c.ColumnName#>"].ToString();
				<# } #>
				<# if(CodeCommon.DbTypeToCS(c.TypeName)=="byte[]") {#>
				if(dt.Rows[n]["<#=c.ColumnName#>"].ToString()!="")
				{
					model.<#=c.ColumnName#>= (byte[])dt.Rows[n]["<#=c.ColumnName#>"];
				}
				<# } #>
				<# if(CodeCommon.DbTypeToCS(c.TypeName)=="Guid") {#>
				if(dt.Rows[n]["<#=c.ColumnName#>"].ToString()!="")
				{
					model.<#=c.ColumnName#>= dt.Rows[n]["<#=c.ColumnName#>"].ToString();
				}
				<# } #>
				<# if(CodeCommon.DbTypeToCS(c.TypeName)=="bool") {#>
				if(dt.Rows[n]["<#=c.ColumnName#>"].ToString()!="")
				{
					if((dt.Rows[n]["<#=c.ColumnName#>"].ToString()=="1")||(dt.Rows[n]["<#=c.ColumnName#>"].ToString().ToLower()=="true"))
					{
					model.<#=c.ColumnName#>= true;
					}
					else
					{
					model.<#=c.ColumnName#>= false;
					}
				}
				<# } #>
				<# } #>		
				
					modelList.Add(model);
				}
			}
			return modelList;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetAllList()
		{
			return GetList("");
		}
#endregion
   
	}
}