codesmith 数据层 模板 让操作更简单
<%@ CodeTemplate Language="C#" TargetLanguage="Text" Src="" Inherits="" Debug="False" Description="Template description here." %>
<%@ Assembly Name="SchemaExplorer" %>
<%@ Assembly Name="System.Data" %>
<%@ Property Name="TargetTable" Type="SchemaExplorer.TableSchema" Category="Context" Description="TargetTable that the object is based on." %>
<%@ Property Name="Author" Type="System.String" Default="Xiao ChangJian" Category="Context" Description="The author for this procedure." %>
<%@ Property Name="NameSpace" Type="System.String" Default="MySpace" Category="Context" Description="TargetTable that the object is based on." %>
<%@ Property Name="Description" Type="System.String" Default="" Category="Context" Description="The description for this procedure."%>
<%@ Map Name="CSharpAlias" Src="System-CSharpAlias" Description="System to C# Type Map" %>
<%@ Import Namespace="SchemaExplorer" %>
<%@ Import Namespace="System.Data" %>
/* ----------------------------------------------------------------------
* File Name: <%= GetTableName(TargetTable) %>Dal.cs
*
* Create Author: <%= Author %>
*
* Create DateTime: <%=DateTime.Now.ToShortDateString() %>
*
* Description: <%= Description %>
*----------------------------------------------------------------------*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using DBUtilitys;
namespace <%= NameSpace %>
{
public class <%= GetTableName(TargetTable) %>Dal
{
private static readonly <%= GetTableName(TargetTable) %>Dal _classinstance = new <%= GetTableName(TargetTable) %>Dal();
public static <%= GetTableName(TargetTable) %>Dal ClassInstance {get{return _classinstance; }}
/// <summary>
/// Add Record
/// </summary>
public int Insert_<%= GetTableName(TargetTable) %>(<%= GetTableName(TargetTable) %>Model instance)
{
string executesqlstr = "INSERT INTO <%= TargetTable.Name %> (<%= GetColumnNameNoPK(TargetTable) %> ) VALUES (<%= EvaluateColumnValueNoPK(TargetTable) %>)";
SqlParameter[] para = new SqlParameter[] {
<% int i = 0; foreach(ColumnSchema column in TargetTable.NonPrimaryKeyColumns){ %>
new SqlParameter("@<%= column.Name %>",instance.<%= column.Name %>)<% if(i < TargetTable.Columns.Count-2){%>,<%} %>
<% i++; } %>
};
return SqlHelper.ExecuteNonQuery(SqlHelper.SqlConnectionString, CommandType.Text, executesqlstr, para);
}
/// <summary>
/// Delete Record
/// </summary>
public int Delete_<%= GetTableName(TargetTable) %>(String pkid)
{
string executesqlstr = "DELETE <%= TargetTable.Name %> WHERE <%= GetPrimaryKeyName(TargetTable) %> = @<%= GetPrimaryKeyName(TargetTable) %>";
SqlParameter[] para = new SqlParameter[] {
new SqlParameter("@<%= GetPrimaryKeyName(TargetTable) %>",pkid)
};
return SqlHelper.ExecuteNonQuery(SqlHelper.SqlConnectionString, CommandType.Text, executesqlstr, para);
}
/// <summary>
/// Update Record
/// </summary>
public int Update_<%= GetTableName(TargetTable) %>(<%= GetTableName(TargetTable) %>Model instance)
{
string executesqlstr = "UPDATE <%= TargetTable.Name %> SET <%= UpdateColumn(TargetTable) %> WHERE <%= GetPrimaryKeyName(TargetTable) %> = @<%= GetPrimaryKeyName(TargetTable) %>";
SqlParameter[] para = new SqlParameter[] {
<% int j = 0; foreach(ColumnSchema column in TargetTable.Columns){ %>
new SqlParameter("@<%= column.Name %>",instance.<%= column.Name %>)<% if(j < TargetTable.Columns.Count-1){%>,<%} %>
<% j++; } %>
};
return SqlHelper.ExecuteNonQuery(SqlHelper.SqlConnectionString, CommandType.Text, executesqlstr, para);
}
/// <summary>
/// Get Record By Primary Key
/// </summary>
public <%= GetTableName(TargetTable) %>Model Get_<%= GetTableName(TargetTable) %>ByPKID(String pkid)
{
string executesqlstr = "SELECT <%= GetColumnName(TargetTable) %> FROM <%= GetTableName(TargetTable) %> WHERE <%= GetPrimaryKeyName(TargetTable) %> = @<%= GetPrimaryKeyName(TargetTable) %>";
SqlParameter[] para = new SqlParameter[] {
new SqlParameter("@<%= GetPrimaryKeyName(TargetTable) %>",pkid)
};
<%= GetTableName(TargetTable) %>Model modelinstance = new <%= GetTableName(TargetTable) %>Model();
using (SqlDataReader sdr = SqlHelper.ExecuteReader(SqlHelper.SqlConnectionString, CommandType.Text, executesqlstr, para))
{
if (sdr.Read())
{
modelinstance = EvaluateModel(sdr);
}
}
return modelinstance;
}