DAL/OALevelService.cs

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

namespace DAL
{
	/// <summary>
	/// 数据访问类OALevelService。
	/// </summary>
	public class OALevelService
	{
		public OALevelService()
		{}
		#region  成员方法
        /// <summary>
        /// 查询一级权限的最大权限ID
        /// </summary>
        /// <returns></returns>
        public static int GetMaxLevelNo(int parentLevelNo) 
        {
            string sql = "select top 1 levelNo from OALevel where parentLevelNo = " + parentLevelNo + " order by id desc";
            object obj = DBHelperSQL.GetSingle(sql);
            if(obj != null)
            {
                return Convert.ToInt32(obj) + 1;
            }
            return Convert.ToInt32(parentLevelNo.ToString() + "01");
        }

        /// <summary>
        /// 根据条件获取对象列表
        /// </summary>
        /// <param name="strWhere"></param>
        /// <returns></returns>
        public static List<OALevel> GetListModel(string strWhere)
        {
            List<OALevel> list = null;
            OALevel model = null;
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select id,levelName,levelNO,isParent,parentLevelNo,url,status,remark ");
            strSql.Append(" FROM OALevel ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by id desc");
            DataSet ds = DBHelperSQL.Query(strSql.ToString());
            if(ds.Tables[0].Rows.Count > 0)
            {
                list = new List<OALevel>();
                foreach(DataRow dr in ds.Tables[0].Rows)
                {
                    model = new OALevel();
                    if (dr["id"].ToString() != "")
                    {
                        model.id = int.Parse(dr["id"].ToString());
                    }