role_menuitemdal.cs

CRM管理系统 CRM管理系统

//------------------------------------
//版权所有：杭州商易信息技术有限公司
//功能描述：角色菜单功能控制类
//    作者：沈伟
//    日期：2008/08/20
//------------------------------------/
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using SystemFrameworks;

namespace Itsv.DAL.SystemManage
{
    public class Role_MenuItemDAL
    {
        #region  成员方法

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int rm_id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from Role_MenuItem where rm_id=" + rm_id + "");
            object obj = DbHelperSQL.GetSingle(strSql.ToString());
            int cmdresult;
            if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
            {
                cmdresult = 0;
            }
            else
            {
                cmdresult = int.Parse(obj.ToString());
            }
            if (cmdresult == 0)
            {
                return false;
            }
            else
            {
                return true;
            }
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public void Add(Itsv.Model.Role_MenuItem model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("declare @c int ");
            strSql.Append(" select @c=count(1) from Role_MenuItem where role_id =");
            strSql.Append(model.role_id);
            strSql.Append(" and ");
            strSql.Append(" menu_id =");
            strSql.Append(model.menu_id);
            strSql.Append("if @c=0  ");
            strSql.Append(" Begin ");//判断父
            strSql.Append("insert into Role_MenuItem(");
            strSql.Append("role_id,menu_id");
            strSql.Append(")");
            strSql.Append(" values (");
            strSql.Append("" + model.role_id + ",");
            strSql.Append("" + model.menu_id + "");
            strSql.Append(")");
            strSql.Append(" end ");
            DbHelperSQL.ExecuteSql(strSql.ToString());
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public void Update(Itsv.Model.Role_MenuItem model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update Role_MenuItem set ");
            strSql.Append("role_id=" + model.role_id + ",");
            strSql.Append("menu_id=" + model.menu_id + "");
            strSql.Append(" where rm_id=" + model.rm_id + "");
            DbHelperSQL.ExecuteSql(strSql.ToString());
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public void Delete(int role_id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete Role_MenuItem ");
            strSql.Append(" where role_id=" + role_id);
            DbHelperSQL.ExecuteSql(strSql.ToString());
        }
        /// <summary>
        /// 删除一条数据
        /// </summary>
        public void Delete(int role_id,string menus)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete Role_MenuItem ");
            strSql.Append(" where role_id=" + role_id);
            strSql.Append(" and ");
            strSql.Append(" menu_id not in (");
            strSql.Append(menus);
            strSql.Append(")");
            DbHelperSQL.ExecuteSql(strSql.ToString());
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Itsv.Model.Role_MenuItem GetModel(int rm_id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select * from Role_MenuItem ");
            strSql.Append(" where rm_id=" + rm_id);
            Itsv.Model.Role_MenuItem model = new Itsv.Model.Role_MenuItem();
            DataSet ds = DbHelperSQL.Query(strSql.ToString());
            model.rm_id = rm_id;
            if (ds.Tables[0].Rows.Count > 0)
            {
                if (ds.Tables[0].Rows[0]["role_id"].ToString() != "")
                {
                    model.role_id = int.Parse(ds.Tables[0].Rows[0]["role_id"].ToString());
                }
                if (ds.Tables[0].Rows[0]["menu_id"].ToString() != "")
                {
                    model.menu_id = int.Parse(ds.Tables[0].Rows[0]["menu_id"].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 * from Role_MenuItem ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by rm_id ");
            return DbHelperSQL.Query(strSql.ToString());
        }
        #endregion  成员方法
    }
}