onlinepc.cs

接入网络时的绑定管理系统

using System;
using System.Data;
using System.Text;
using System.Data.SQLite;//请先添加引用
using NETManage.IDAL;
using NETManage.DBUtility;//请先添加引用
namespace NETManage.SQLServerDAL
{
	/// <summary>
	/// 数据访问类OnlinePC。
	/// </summary>
	public class OnlinePC:IOnlinePC
	{
		public OnlinePC()
		{}
		#region  成员方法


		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(string MAC)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from OnlinePC");
			strSql.Append(" where MAC='"+MAC+"' ");
			return DbHelperSQLite.Exists(strSql.ToString());
		}

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public void Add(NETManage.Model.OnlinePC model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into OnlinePC(");
			strSql.Append("MAC,IP,RoomNum,State,HouseMaster,Telephone,Email,Other");
			strSql.Append(")");
			strSql.Append(" values (");
			strSql.Append("'"+model.MAC+"',");
			strSql.Append("'"+model.IP+"',");
			strSql.Append("'"+model.RoomNum+"',");
			strSql.Append("'"+model.State+"',");
			strSql.Append("'"+model.HouseMaster+"',");
			strSql.Append("'"+model.Telephone+"',");
			strSql.Append("'"+model.Email+"',");
			strSql.Append("'"+model.Other+"'");
			strSql.Append(")");
			DbHelperSQLite.ExecuteSql(strSql.ToString());
		}

		/// <summary>
		/// 更新一条数据
		/// </summary>
		public void Update(NETManage.Model.OnlinePC model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update OnlinePC set ");
			strSql.Append("IP='"+model.IP+"',");
			strSql.Append("RoomNum='"+model.RoomNum+"',");
			strSql.Append("State='"+model.State+"',");
			strSql.Append("HouseMaster='"+model.HouseMaster+"',");
			strSql.Append("Telephone='"+model.Telephone+"',");
			strSql.Append("Email='"+model.Email+"',");
			strSql.Append("Other='"+model.Other+"'");
			strSql.Append(" where MAC='"+ model.MAC+"' ");
			DbHelperSQLite.ExecuteSql(strSql.ToString());
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public void Delete(string MAC)
		{
			StringBuilder strSql=new StringBuilder();
            strSql.Append("delete From OnlinePC ");
			strSql.Append(" where MAC='"+MAC+"' " );
			DbHelperSQLite.ExecuteSql(strSql.ToString());
		}

		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public NETManage.Model.OnlinePC GetModel(string MAC)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select   ");
			strSql.Append(" MAC,IP,RoomNum,State,HouseMaster,Telephone,Email,Other ");
			strSql.Append(" from OnlinePC ");
			strSql.Append(" where MAC='"+MAC+"' " );
			NETManage.Model.OnlinePC model=new NETManage.Model.OnlinePC();
			DataSet ds=DbHelperSQLite.Query(strSql.ToString());
			if(ds.Tables[0].Rows.Count>0)
			{
				model.MAC=ds.Tables[0].Rows[0]["MAC"].ToString();
				model.IP=ds.Tables[0].Rows[0]["IP"].ToString();
				model.RoomNum=ds.Tables[0].Rows[0]["RoomNum"].ToString();
				model.State=ds.Tables[0].Rows[0]["State"].ToString();
				model.HouseMaster=ds.Tables[0].Rows[0]["HouseMaster"].ToString();
				model.Telephone=ds.Tables[0].Rows[0]["Telephone"].ToString();
				model.Email=ds.Tables[0].Rows[0]["Email"].ToString();
				model.Other=ds.Tables[0].Rows[0]["Other"].ToString();
				return model;
			}
			else
			{
				return null;
			}
		}
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select MAC,IP,RoomNum,State,HouseMaster,Telephone,Email,Other ");
			strSql.Append(" FROM OnlinePC ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQLite.Query(strSql.ToString());
		}

		/*
		*/

		#endregion  成员方法
	}
}