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EasyFastCMS系列教学课程——1、三层框架的搭建

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    在本系列教程中,我们以一个大型CMS系统的完整开发流程为例,和大家一起探讨net开发的经验和教训。在本程序中,我们采用了流行的三层/N层框架+仓储模式的架构模式。项目分层示意图:

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各层的主要用途:
  • EasyFast.Web ——UI展示层,系统的操作界面。
  • EasyFast.BLL ——业务逻辑层,用于处理程序中的业务逻辑。
  • EasyFast.Model  ——用于在各层之间传递数据。
  • EasyFast.Utility ——公共类库
  • EasyFast.Repository ——数据操作(数据仓储层)
  • EasyFast.DBContext ——ORM工具层
基本框架代码:
 
 
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data;
using System.Data.SqlClient;
 
namespace EasyFast.Repository.Interface
{
    public interface IRepository<T> where T : class
    {
        T GetById(int id);
        T Find(string where, string orderColumn, List<SqlParameter> parameters);
 
        int Add(T model);
        int Delete(int id);
        int Update(T model);
 
        int GetPageCount(string tableName, string where, List<SqlParameter> parameters);
        DataTable GetPageList(string tableName, string fieldNames, string where, string orderColumn, int startRecordIndex, int endRecordIndex, List<SqlParameter> parameters);
        DataTable GetDataTable(string tableName, string fieldNames, string where, string orderColumn, List<SqlParameter> parameters);
    }
}
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——目录结构:EasyFast.Repository.Interface.IRepository
 
 
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using EasyFast.Repository.Interface;
using System.Data;
using System.Data.SqlClient;
 
namespace EasyFast.Repository
{
    public class Repository<T> : IRepository<T> where T : class
    {
        public T GetById(int id)
        {
            T model = default(T);
            return model;
        }
        public T Find(string where, string orderColumn, List<SqlParameter> parameters)
        {
            T model = default(T);
            return model;
        }
 
        public int Add(T model)
        {
            int _result = 0;
            return _result;
        }
        public int Delete(int id)
        {
            int _result = 0;
            return _result;
        }
        public int Update(T model)
        {
            int _result = 0;
            return _result;
        }
 
        public int GetPageCount(string tableName, string where, List<SqlParameter> parameters)
        {
            int _result = 0;
            return _result;
        }
        public DataTable GetPageList(string tableName, string fieldNames, string where, string orderColumn, int startRecordIndex, int endRecordIndex, List<SqlParameter> parameters)
        {
            DataTable dt = new DataTable();
            return dt;
        }
        public DataTable GetDataTable(string tableName, string fieldNames, string where, string orderColumn, List<SqlParameter> parameters)
        {
            DataTable dt = new DataTable();
            return dt;
        }
    }
}
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——目录结构:EasyFast.Repository.Repository
 
 
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data;
using System.Data.SqlClient;
using EasyFast.Repository;
using EasyFast.Repository.Interface;
  
namespace EasyFast.BLL
{
    public class BaseBLL<T> where T : class
    {
  
        IRepository<T> repository = new Repository<T>();
        protected readonly Object lockHelper = new object();
  
        #region 获取model
        public T GetById(int id)
        {
            return repository.GetById(id);
        }
        public T Find(string where)
        {
            return repository.Find(where,"", null);
        }
        public T Find(string where, List<SqlParameter> parameters)
        {
            return repository.Find(where,"", parameters);
        }
  
        public T Find(string where, string orderColumn, List<SqlParameter> parameters)
        {
            return repository.Find(where, orderColumn, parameters);
        }
        #endregion
  
        #region 新增一条记录
        public int Add(T model)
        {
            return repository.Add(model);
        }
        #endregion
  
        #region 删除一条记录
        public int Delete(int id)
        {
            return repository.Delete(id);
        }
        #endregion
  
        #region 更新一条记录
  
        public int Update(T model)
        {
            return repository.Update(model);
        }
        #endregion
  
        #region 获取指定条件的记录集
        public virtual DataTable GetDataTable(string tableName, string fieldNames, string where, string orderColumn, List<SqlParameter> parameters)
        {
            return repository.GetDataTable(tableName, fieldNames, where, orderColumn, parameters);
        }
  
        public virtual DataTable GetDataTable(string fieldNames, string where, string orderColumn, List<SqlParameter> parameters)
        {
            return repository.GetDataTable("", fieldNames, where, orderColumn, parameters);
        }
  
        public virtual DataTable GetDataTable(string fieldNames, string where, List<SqlParameter> parameters)
        {
            return repository.GetDataTable("", fieldNames, where, "", parameters);
        }
  
        public virtual DataTable GetDataTable(string where, List<SqlParameter> parameters)
        {
            return repository.GetDataTable("", "*", where, "", parameters);
        }
  
        public virtual DataTable GetDataTable(string where)
        {
            return repository.GetDataTable("", "*", where, "", null);
        }
  
        public virtual DataTable GetDataTable()
        {
            return repository.GetDataTable("", "*", "", "", null);
        }
        #endregion
  
        #region 获取指定条件的记录数
        public virtual int GetPageCount(string tableName, string where, List<SqlParameter> parameters)
        {
            return repository.GetPageCount(tableName, where, parameters);
        }
  
        public virtual int GetPageCount(string where, List<SqlParameter> parameters)
        {
            return repository.GetPageCount("", where, parameters);
        }
  
        public virtual int GetPageCount(string where)
        {
            return repository.GetPageCount("", where, null);
        }
  
        public virtual int GetPageCount()
        {
            return repository.GetPageCount("", "", null);
        }
        #endregion
  
        #region 分页获取指定条件的记录
        public virtual DataTable GetPageList(string tableName, string fieldNames, string where, string orderColumn, int startRecordIndex, int endRecordIndex, List<SqlParameter> parameters)
        {
            return repository.GetPageList(tableName, fieldNames, where, orderColumn, startRecordIndex, endRecordIndex, parameters);
        }
  
        public virtual DataTable GetPageList(string tableName, string fieldNames, string where, int startRecordIndex, int endRecordIndex, List<SqlParameter> parameters)
        {
            return repository.GetPageList(tableName, fieldNames, where, "", startRecordIndex, endRecordIndex, parameters);
        }
  
        public virtual DataTable GetPageList(string fieldNames, string where, int startRecordIndex, int endRecordIndex, List<SqlParameter> parameters)
        {
            return repository.GetPageList("", fieldNames, where, "", startRecordIndex, endRecordIndex, parameters);
        }
  
        public virtual DataTable GetPageList(string where, int startRecordIndex, int endRecordIndex, List<SqlParameter> parameters)
        {
            return repository.GetPageList("", "*", where, "", startRecordIndex, endRecordIndex, parameters);
        }
  
        public virtual DataTable GetPageList(string where, int startRecordIndex, int endRecordIndex)
        {
            return repository.GetPageList("", "*", where, "", startRecordIndex, endRecordIndex, null);
        }
  
        public virtual DataTable GetPageList(int startRecordIndex, int endRecordIndex)
        {
            return repository.GetPageList("", "*", "", "", startRecordIndex, endRecordIndex, null);
        }
        #endregion
    }
}
——目录结构:EasyFast.BLL.BaseBLL

 

示例代码下载: EasyFastCMS-2014.05.28.zip

 

 

EasyFastCMS系列教学课程——1、三层框架的搭建,布布扣,bubuko.com

EasyFastCMS系列教学课程——1、三层框架的搭建

标签:c   style   class   blog   code   java   

原文地址:http://www.cnblogs.com/cnuusw/p/EasyFast_1.html

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