CloudComputingFinalProject/App.code/DAL/manager.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Text;
using System.Data.SqlClient;

/// <summary>
/// 管理员
/// </summary>
namespace Basic.DAL
{
    public class manager
    {

        /// <summary>
        /// 获得查询分页数据
        /// </summary>
        public DataSet GetList(int pageSize, int pageIndex, string strWhere, string filedOrder, out int recordCount)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select * from tb_manager");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            recordCount = Convert.ToInt32(DbHelperSQL.GetSingle(PagingHelper.CreateCountingSql(strSql.ToString())));
            return DbHelperSQL.Query(PagingHelper.CreatePagingSql(recordCount, pageSize, pageIndex, strSql.ToString(), filedOrder));
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Model.manager model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into tb_manager(");
            strSql.Append("role_id,role_type,shop_id,user_name,user_pwd,real_name,telephone,email,is_lock,add_time)");
            strSql.Append(" values (");
            strSql.Append("@role_id,@role_type,@shop_id,@user_name,@user_pwd,@real_name,@telephone,@email,@is_lock,@add_time)");
            strSql.Append(";select @@IDENTITY");

            SqlParameter[] parameters = { 
                new SqlParameter("@role_id", SqlDbType.Int,10),
                new SqlParameter("@role_type", SqlDbType.Int,10),
                new SqlParameter("@shop_id", SqlDbType.Int,10),
                new SqlParameter("@user_name", SqlDbType.NVarChar,100),
                new SqlParameter("@user_pwd", SqlDbType.NVarChar,100),
                new SqlParameter("@real_name", SqlDbType.NVarChar,50),
                new SqlParameter("@telephone", SqlDbType.NVarChar,30),
                new SqlParameter("@email", SqlDbType.NVarChar,30),
                new SqlParameter("@is_lock", SqlDbType.Int,10),
                new SqlParameter("@add_time", SqlDbType.DateTime,23)};
            parameters[0].Value = model.role_id;
            parameters[1].Value = model.role_type;
            parameters[2].Value = model.shop_id;
            parameters[3].Value = model.user_name;
            parameters[4].Value = model.user_pwd;
            parameters[5].Value = model.real_name;
            parameters[6].Value = model.telephone;
            parameters[7].Value = model.email;
            parameters[8].Value = model.is_lock;
            parameters[9].Value = model.add_time;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Model.manager GetModel(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select top 1 id,role_id,role_type,shop_id,user_name,user_pwd,real_name,telephone,email,is_lock,add_time from tb_manager");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = { 
                new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;
            Model.manager model = new Model.manager();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["id"].ToString()))
                {
                    model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["role_id"].ToString()))
                {
                    model.role_id = int.Parse(ds.Tables[0].Rows[0]["role_id"].ToString());
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["role_type"].ToString()))
                {
                    model.role_type = int.Parse(ds.Tables[0].Rows[0]["role_type"].ToString());
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["shop_id"].ToString()))
                {
                    model.shop_id = int.Parse(ds.Tables[0].Rows[0]["shop_id"].ToString());
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["user_name"].ToString()))
                {
                    model.user_name = ds.Tables[0].Rows[0]["user_name"].ToString();
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["user_pwd"].ToString()))
                {
                    model.user_pwd = ds.Tables[0].Rows[0]["user_pwd"].ToString();
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["real_name"].ToString()))
                {
                    model.real_name = ds.Tables[0].Rows[0]["real_name"].ToString();
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["telephone"].ToString()))
                {
                    model.telephone = ds.Tables[0].Rows[0]["telephone"].ToString();
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["email"].ToString()))
                {
                    model.email = ds.Tables[0].Rows[0]["email"].ToString();
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["is_lock"].ToString()))
                {
                    model.is_lock = int.Parse(ds.Tables[0].Rows[0]["is_lock"].ToString());
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["add_time"].ToString()))
                {
                    model.add_time = DateTime.Parse(ds.Tables[0].Rows[0]["add_time"].ToString());
                }
                return model;
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from tb_manager");
            strSql.Append(" where id=@id ");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;
            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(Model.manager model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update  tb_manager set ");
            strSql.Append("role_id=@role_id,");
            strSql.Append("role_type=@role_type,");
            strSql.Append("shop_id=@shop_id,");
            strSql.Append("user_name=@user_name,");
            strSql.Append("user_pwd=@user_pwd,");
            strSql.Append("real_name=@real_name,");
            strSql.Append("telephone=@telephone,");
            strSql.Append("email=@email,");
            strSql.Append("is_lock=@is_lock,");
            strSql.Append("add_time=@add_time");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = { 
                new SqlParameter("@role_id", SqlDbType.Int,10),
                new SqlParameter("@role_type", SqlDbType.Int,10),
                new SqlParameter("@shop_id", SqlDbType.Int,10),
                new SqlParameter("@user_name", SqlDbType.NVarChar,100),
                new SqlParameter("@user_pwd", SqlDbType.NVarChar,100),
                new SqlParameter("@real_name", SqlDbType.NVarChar,50),
                new SqlParameter("@telephone", SqlDbType.NVarChar,30),
                new SqlParameter("@email", SqlDbType.NVarChar,30),
                new SqlParameter("@is_lock", SqlDbType.Int,10),
                new SqlParameter("@add_time", SqlDbType.DateTime,23),
                new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = model.role_id;
            parameters[1].Value = model.role_type;
            parameters[2].Value = model.shop_id;
            parameters[3].Value = model.user_name;
            parameters[4].Value = model.user_pwd;
            parameters[5].Value = model.real_name;
            parameters[6].Value = model.telephone;
            parameters[7].Value = model.email;
            parameters[8].Value = model.is_lock;
            parameters[9].Value = model.add_time;
            parameters[10].Value = model.id;
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int id)
        {
            List<CommandInfo> sqllist = new List<CommandInfo>();

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from tb_manager_log ");
            strSql.Append(" where user_id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;
            CommandInfo cmd = new CommandInfo(strSql.ToString(), parameters);
            sqllist.Add(cmd);

            StringBuilder strSql1 = new StringBuilder();
            strSql1.Append("delete from tb_manager ");
            strSql1.Append(" where id=@id");
            SqlParameter[] parameters1 = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters1[0].Value = id;
            cmd = new CommandInfo(strSql1.ToString(), parameters1);
            sqllist.Add(cmd);

            int rowsAffected = DbHelperSQL.ExecuteSqlTran(sqllist);
            if (rowsAffected > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 根据用户名密码返回一个实体
        /// </summary>
        public Model.manager GetModel(string user_name, string user_pwd)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select id from tb_manager");
            strSql.Append(" where user_name=@user_name and user_pwd=@user_pwd and is_lock=0");
            SqlParameter[] parameters = {
					new SqlParameter("@user_name", SqlDbType.NVarChar,100),
                    new SqlParameter("@user_pwd", SqlDbType.NVarChar,100)};
            parameters[0].Value = user_name;
            parameters[1].Value = user_pwd;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj != null)
            {
                return GetModel(Convert.ToInt32(obj));
            }
            return null;
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Model.manager GetModel(string username)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select top 1 id,role_id,role_type,shop_id,user_name,user_pwd,real_name,telephone,email,is_lock,add_time from tb_manager");
            strSql.Append(" where user_name=@user_name");
            SqlParameter[] parameters = { 
                new SqlParameter("@user_name", SqlDbType.NVarChar,255)};
            parameters[0].Value = username;
            Model.manager model = new Model.manager();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["id"].ToString()))
                {
                    model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["role_id"].ToString()))
                {
                    model.role_id = int.Parse(ds.Tables[0].Rows[0]["role_id"].ToString());
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["role_type"].ToString()))
                {
                    model.role_type = int.Parse(ds.Tables[0].Rows[0]["role_type"].ToString());
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["shop_id"].ToString()))
                {
                    model.shop_id = int.Parse(ds.Tables[0].Rows[0]["shop_id"].ToString());
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["user_name"].ToString()))
                {
                    model.user_name = ds.Tables[0].Rows[0]["user_name"].ToString();
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["user_pwd"].ToString()))
                {
                    model.user_pwd = ds.Tables[0].Rows[0]["user_pwd"].ToString();
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["real_name"].ToString()))
                {
                    model.real_name = ds.Tables[0].Rows[0]["real_name"].ToString();
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["telephone"].ToString()))
                {
                    model.telephone = ds.Tables[0].Rows[0]["telephone"].ToString();
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["email"].ToString()))
                {
                    model.email = ds.Tables[0].Rows[0]["email"].ToString();
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["is_lock"].ToString()))
                {
                    model.is_lock = int.Parse(ds.Tables[0].Rows[0]["is_lock"].ToString());
                }
                if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["add_time"].ToString()))
                {
                    model.add_time = DateTime.Parse(ds.Tables[0].Rows[0]["add_time"].ToString());
                }
                return model;
            }
            else
            {
                return null;
            }
        }

        #region
        /// <summary>
        /// 获得查询分页数据
        /// </summary>
        public DataSet GetList(string _strWhere, string _orderby, int _pageSize, int _page, out int recordCount)
        {
            BasicPage bp = new BasicPage();
            StringBuilder str_Sql = new StringBuilder();
            str_Sql.Append("select top " + _pageSize + " id,user_name,role_id,real_name,shop_id,telephone,email,add_time,is_lock from tb_manager");
            str_Sql.Append(" where  ");
            str_Sql.Append(_strWhere);
            str_Sql.Append(" and id not in ");
            str_Sql.Append(" ( ");
            str_Sql.Append(" select top " + (_page - 1) * _pageSize + " id from tb_manager ");
            str_Sql.Append(" where  ");
            str_Sql.Append(_strWhere);
            str_Sql.Append(" order by  ");
            str_Sql.Append(_orderby);
            str_Sql.Append(" ) ");
            str_Sql.Append(" order by  ");
            str_Sql.Append(_orderby);
            DataSet dst = bp.SelectDataBase("tb_manager", str_Sql.ToString());
            //
            recordCount = totlePage(showTotal(_strWhere), _pageSize);
            return dst;
        }

        //总页数
        public int totlePage(int Total, int PageSize)
        {
            if (Total % PageSize == 0)
            {
                return Total / PageSize;
            }
            else
            {
                return Total / PageSize + 1;
            }
        }

        //总条数
        protected int showTotal(string strSql)
        {
            BasicPage bp = new BasicPage();
            int intTotal = 0;
            SqlDataReader myread = bp.getRead("select count(id) as CountId from tb_manager where " + strSql);
            if (myread.Read())
            {
                intTotal = Convert.ToInt32(myread["CountId"].ToString());
            }
            myread.Close();
            return intTotal;
        }
        #endregion
    }
}