コード例 #1
0
ファイル: Common.cs プロジェクト: Sun-Kevin/Csharp-demo
        internal static string Collections(string fromDate, string endDate, string wherePart)
        {
            string sql        = "with v_t as({0}) select count(myselectid) from v_t";
            var    sqlBuilder = new StringBuilder();

            for (int i = 0; i < 10; i++)
            {
                sqlBuilder.Append("(SELECT MySelectID FROM [mysoufun].[dbo].[MySelect_" + i + @"]
                                    WHERE " + wherePart + @" 
	                                AND (createtime BETWEEN @fromDate AND @endDate)
	                                 )
                                UNION ALL ");
            }
            var chars = "UNION ALL".ToCharArray();

            sql = string.Format(sql, sqlBuilder.ToString().TrimEnd(chars));
            var sqlparam = new List <SqlParameter>();

            sqlparam.Add(new SqlParameter()
            {
                ParameterName = "@fromDate", Value = fromDate
            });
            sqlparam.Add(new SqlParameter()
            {
                ParameterName = "@endDate", Value = endDate
            });

            return(SlDatabase.ExecuteScalar(connection, sql, sqlparam.ToArray()).ToString());
        }
コード例 #2
0
ファイル: NewHouse.cs プロジェクト: Sun-Kevin/Csharp-demo
        internal static string Total(string fromDate, string endDate)
        {
            string sql        = @"declare @date datetime
                            declare @sum int
                            set @sum=0
                            set @date=@fromDate
                            while @date<@endDate
                            begin
                            with v_b as(({0}) union ({1}) union ({2}))
                            select @sum=@sum+COUNT(userid) from v_b
                            set @date=@date+1
                            end
                            select @sum/7";
            var    sqlBuilder = new StringBuilder();

            for (int i = 0; i < 10; i++)
            {
                sqlBuilder.Append("(SELECT userid FROM [mysoufun].[dbo].[MySelect_" + i + @"]
		                                with (nolock) where type='new' AND roomid !=''
		                                AND (createtime BETWEEN @date and @date+1)
		                                 )
	                                UNION ALL "    );
            }
            var sqlBuilder1 = new StringBuilder();

            for (int i = 0; i < 10; i++)
            {
                sqlBuilder1.Append("(SELECT userid FROM [mysoufun].[dbo].[MySelect_" + i + @"]
		                                with (nolock) where type='new' AND FangYuanID!=''
		                                AND (createtime BETWEEN @date and @date+1)
		                                 )
	                                UNION ALL "    );
            }
            var sqlBuilder2 = new StringBuilder();

            for (int i = 0; i < 10; i++)
            {
                sqlBuilder2.Append("(SELECT userid FROM [mysoufun].[dbo].[MySelect_" + i + @"]
		                                with (nolock) where type='new' AND houseid!='' AND (FangYuanID='' OR FangYuanID IS NULL) AND (roomid ='' OR roomid IS NULL)
		                                AND (createtime BETWEEN @date and @date+1)
		                                 )
	                                UNION ALL "    );
            }
            var chars = "UNION ALL".ToCharArray();

            sql = string.Format(sql, sqlBuilder.ToString().TrimEnd(chars), sqlBuilder1.ToString().TrimEnd(chars), sqlBuilder2.ToString().TrimEnd(chars));
            var sqlparam = new List <SqlParameter>();

            sqlparam.Add(new SqlParameter()
            {
                ParameterName = "@fromDate", Value = fromDate
            });
            sqlparam.Add(new SqlParameter()
            {
                ParameterName = "@endDate", Value = endDate
            });

            return(SlDatabase.ExecuteScalar(connection, sql, sqlparam.ToArray()).ToString());
        }
コード例 #3
0
ファイル: Program.cs プロジェクト: Sun-Kevin/Csharp-demo
        static void Main(string[] args)
        {
            string myfang_test = ConfigurationManager.ConnectionStrings["myfang_test"].ConnectionString;

            /*
             * string myfang_w = ConfigurationManager.ConnectionStrings["myfang_w"].ConnectionString;
             * try
             * {
             *  List<MySelect> list = HandleData.GetData(myfang_test);
             *  Console.WriteLine("导入" + list.Count);
             *  int i = 0;
             *  list.ForEach(en => { if (HandleData.Insert(myfang_w, en)) { Console.WriteLine(++i); } });
             *  Console.Write("完成");
             *
             *  Console.ReadKey();
             * }
             * catch (Exception e)
             * {
             *  Console.WriteLine("error:" + e.ToString());
             * }*/
            string sql   = @"select count(*) from myselect_0
                            where city in (@city1,@city2) and type in (@t1,@t2,@t3)";
            var    param = new List <SqlParameter>();

            param.Add(new SqlParameter {
                ParameterName = "@city1", Value = "北京"
            });
            param.Add(new SqlParameter {
                ParameterName = "@city2", Value = "上海"
            });
            param.Add(new SqlParameter {
                ParameterName = "@t1", Value = "esf"
            });
            param.Add(new SqlParameter {
                ParameterName = "@t2", Value = "new"
            });
            param.Add(new SqlParameter {
                ParameterName = "@t3", Value = "rent"
            });
            var count = SlDatabase.ExecuteScalar(myfang_test, sql, param.ToArray());

            Console.WriteLine(count);
            Console.ReadKey();
        }
コード例 #4
0
ファイル: Common.cs プロジェクト: Sun-Kevin/Csharp-demo
        internal static string NewUser(string fromDate, string endDate, string wherePart)
        {
            string sql        = @"declare @date datetime
                            declare @sum int
                            set @sum=0
                            set @date=@fromDate
                            while @date<@endDate
                            begin
                            with v_b as({0})
                            select @sum=@sum+COUNT(userid) from v_b
                            set @date=@date+1
                            end
                            select @sum/7";
            var    sqlBuilder = new StringBuilder();

            for (int i = 0; i < 10; i++)
            {
                sqlBuilder.Append("(SELECT  userid FROM [mysoufun].[dbo].[MySelect_" + i + @"]
		                                with (nolock) where "         + wherePart + @" 
		                                AND (createtime BETWEEN @date and @date+1)
		                                 )
	                                UNION "    );
            }
            var chars = "UNION ".ToCharArray();

            sql = string.Format(sql, sqlBuilder.ToString().TrimEnd(chars));
            var sqlparam = new List <SqlParameter>();

            sqlparam.Add(new SqlParameter()
            {
                ParameterName = "@fromDate", Value = fromDate
            });
            sqlparam.Add(new SqlParameter()
            {
                ParameterName = "@endDate", Value = endDate
            });

            return(SlDatabase.ExecuteScalar(connection, sql, sqlparam.ToArray()).ToString());
        }