city.cs.svn-base

走吧旅游网站前后台源代码

using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//请先添加引用
namespace Maticsoft.DAL
{
	/// <summary>
	/// 数据访问类City。
	/// </summary>
	public class City
	{
		public City()
		{}
		#region  成员方法

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(string nvtCityID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from City");
			strSql.Append(" where nvtCityID=@nvtCityID ");
			SqlParameter[] parameters = {
					new SqlParameter("@nvtCityID", SqlDbType.NVarChar,50)};
			parameters[0].Value = nvtCityID;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public void Add(Maticsoft.Model.City model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into City(");
			strSql.Append("nvtCityID,nvrProvinceID,nvrCityName,nvrSpellCode,nvrProvince)");
			strSql.Append(" values (");
			strSql.Append("@nvtCityID,@nvrProvinceID,@nvrCityName,@nvrSpellCode,@nvrProvince)");
			SqlParameter[] parameters = {
					new SqlParameter("@nvtCityID", SqlDbType.NVarChar,12),
					new SqlParameter("@nvrProvinceID", SqlDbType.NVarChar,12),
					new SqlParameter("@nvrCityName", SqlDbType.NVarChar,30),
					new SqlParameter("@nvrSpellCode", SqlDbType.NVarChar,30),
					new SqlParameter("@nvrProvince", SqlDbType.NVarChar,12)};
			parameters[0].Value = model.nvtCityID;
			parameters[1].Value = model.nvrProvinceID;
			parameters[2].Value = model.nvrCityName;
			parameters[3].Value = model.nvrSpellCode;
			parameters[4].Value = model.nvrProvince;

			DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public void Update(Maticsoft.Model.City model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update City set ");
			strSql.Append("nvrProvinceID=@nvrProvinceID,");
			strSql.Append("nvrCityName=@nvrCityName,");
			strSql.Append("nvrSpellCode=@nvrSpellCode,");
			strSql.Append("nvrProvince=@nvrProvince");
			strSql.Append(" where nvtCityID=@nvtCityID ");
			SqlParameter[] parameters = {
					new SqlParameter("@nvtCityID", SqlDbType.NVarChar,12),
					new SqlParameter("@nvrProvinceID", SqlDbType.NVarChar,12),
					new SqlParameter("@nvrCityName", SqlDbType.NVarChar,30),
					new SqlParameter("@nvrSpellCode", SqlDbType.NVarChar,30),
					new SqlParameter("@nvrProvince", SqlDbType.NVarChar,12)};
			parameters[0].Value = model.nvtCityID;
			parameters[1].Value = model.nvrProvinceID;
			parameters[2].Value = model.nvrCityName;
			parameters[3].Value = model.nvrSpellCode;
			parameters[4].Value = model.nvrProvince;

			DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public void Delete(string nvtCityID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete City ");
			strSql.Append(" where nvtCityID=@nvtCityID ");
			SqlParameter[] parameters = {
					new SqlParameter("@nvtCityID", SqlDbType.NVarChar,50)};
			parameters[0].Value = nvtCityID;

			DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public Maticsoft.Model.City GetModel(string nvtCityID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select nvtCityID,nvrProvinceID,nvrCityName,nvrSpellCode,nvrProvince from City ");
			strSql.Append(" where nvtCityID=@nvtCityID ");
			SqlParameter[] parameters = {
					new SqlParameter("@nvtCityID", SqlDbType.NVarChar,50)};
			parameters[0].Value = nvtCityID;

			Maticsoft.Model.City model=new Maticsoft.Model.City();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				model.nvtCityID=ds.Tables[0].Rows[0]["nvtCityID"].ToString();
				model.nvrProvinceID=ds.Tables[0].Rows[0]["nvrProvinceID"].ToString();
				model.nvrCityName=ds.Tables[0].Rows[0]["nvrCityName"].ToString();
				model.nvrSpellCode=ds.Tables[0].Rows[0]["nvrSpellCode"].ToString();
				model.nvrProvince=ds.Tables[0].Rows[0]["nvrProvince"].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 nvtCityID,nvrProvinceID,nvrCityName,nvrSpellCode,nvrProvince ");
			strSql.Append(" FROM City ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "City";
			parameters[1].Value = "ID";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  成员方法
	}
}