(SQL语句)按指定时间段分组统计
来源：互联网 发布：泰国自由行攻略 知乎 编辑：程序博客网 时间：2024/05/18 22:15
我现在有一张表：
列名1 时间
03174190188 2009-11-01 07:17:39.217
015224486575 2009-11-01 08:01:17.153
013593006926 2009-11-12 08:04:46.560
013599584239 2009-11-22 08:53:27.763
013911693526 2009-11-23 08:53:51.683
013846472440 2009-11-23 08:54:57.233
013990353697 2009-11-24 08:55:25.077
013990353697 2009-11-25 08:56:01.327
013945594843 2009-11-26 08:57:02.233
013990353697 2009-11-27 08:57:29.700
013916597421 2009-11-28 08:59:49.390
03916995857 2009-11-29 09:11:05.607
015097712001 2009-11-30 09:13:50.293
现在想要做一个报表：
时段 2009-11-1 2009-11-2 2009-11-3 合计
00:00-01:00 0 0 0 0
01:00-02:00 0 0 0 0
02:00-03:00 0 0 0 0
03:00-04:00 0 0 0 0
04:00-05:00 0 0 0 0
05:00-06:00 0 0 0 0
06:00-07:00 0 1 1 2
07:00-08:00 1 4 4 9
08:00-09:00 11 16 13 .
09:00-10:00 11 26 13 .
10:00-11:00 12 29 25 .
11:00-12:00 6 7 11 .
12:00-13:00 4 9 2
13:00-14:00 5 10 11
14:00-15:00 13 16 23
15:00-16:00 14 5 17
16:00-17:00 10 5 18
17:00-18:00 7 3 6
18:00-19:00 7 2 5
19:00-20:00 4 0 5
20:00-21:00 5 3 0
21:00-22:00 2 0 0
22:00-23:00 2 1 0
23:00-24:00 0 0 0
合计 114 137 154 405
用户输入一个时间段 ，比如开始时间 2009-12-1 结束时间 2009-12-30 这样。
方法1:
代码
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->--参考这个
--> 测试数据：@table
declare @table table([id] int,[day] varchar(10),[starttime] varchar(10),[overtime] varchar(10),[name] varchar(10))
insert @table
select 1,'20091202', '09:00','16:00','张三'
declare @begdate datetime,@enddate datetime
select @begdate = '20091129',@enddate = '20091205'
select t.[date],t.[time],u.[name] into #temp from
(
select convert(varchar(10),dateadd(hour,number,@begdate),112) as [date],
convert(varchar(10),dateadd(hour,number,@begdate),108) + '-'
+convert(varchar(10),dateadd(hour,number+1,@begdate),108) as [time],
null as [name]
from master.dbo.spt_values
where type = 'P'
and dateadd(hour,number,@begdate) <= dateadd(hour,18,@enddate)
and convert(varchar(10),dateadd(hour,number,@begdate),108) >= '08:00'
and convert(varchar(10),dateadd(hour,number,@enddate),108) <= '18:00'
) t left join
(
select convert(varchar(10),dateadd(hour,r.number,@begdate),112) as [date],
convert(varchar(10),dateadd(hour,number,@begdate),108) + '-'
+convert(varchar(10),dateadd(hour,number+1,@begdate),108) as [time],
h.name
from master.dbo.spt_values r ,@table h
where type = 'P'
and convert(varchar(10),dateadd(hour,number,@begdate),108) >= h.[starttime]
and convert(varchar(10),dateadd(hour,number,@enddate),108) <= h.[overtime]
and convert(varchar(10),dateadd(hour,r.number,@begdate),112) = h.[day]
) u
on t.[date] = u.[date] and t.[time] = u.[time]
--select * from #temp
declare @sql varchar(8000)
select @sql = ''
select @sql = @sql + ',max(case [date] when '+[date]+' then name else null end) as ['+ltrim(datename(weekday,[date]))+']'
from (select distinct [date] from #temp) t
select @sql = 'select [time] '+ @sql + ' from #temp group by [time]'
--print @sql
exec(@sql)
drop table #temp
方法二:
代码
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->-------------------------------------
-- Author : liangCK 梁爱兰
-- Comment: 小梁 爱 兰儿
-- Date : 2010-01-02 16:47:10
-------------------------------------
--> 生成测试数据: #tb
CREATE TABLE #tb(列名1 varchar(12),时间 datetime)
INSERT INTO #tb
SELECT '03174190188','2009-11-01 07:17:39.217' UNION ALL
SELECT '015224486575','2009-11-01 08:01:17.153' UNION ALL
SELECT '013593006926','2009-11-12 08:04:46.560' UNION ALL
SELECT '013599584239','2009-11-22 08:53:27.763' UNION ALL
SELECT '013911693526','2009-11-23 08:53:51.683' UNION ALL
SELECT '013846472440','2009-11-23 08:54:57.233' UNION ALL
SELECT '013990353697','2009-11-24 08:55:25.077' UNION ALL
SELECT '013990353697','2009-11-25 08:56:01.327' UNION ALL
SELECT '013945594843','2009-11-26 08:57:02.233' UNION ALL
SELECT '013990353697','2009-11-27 08:57:29.700' UNION ALL
SELECT '013916597421','2009-11-28 08:59:49.390' UNION ALL
SELECT '03916995857','2009-11-29 09:11:05.607' UNION ALL
SELECT '015097712001','2009-11-30 09:13:50.293'
--SQL查询如下:
DECLARE @minDate datetime,@maxDate datetime;
SELECT @minDate = '2009-11-1',@maxDate = '2009-12-01';
DECLARE @sql varchar(8000);
SET @sql = '';
SELECT @sql=@sql+',SUM(CASE WHEN DATEDIFF(day,B.时间,'''
+CONVERT(varchar(10),DATEADD(day,number,@minDate),120)
+''')=0 THEN 1 ELSE 0 END) AS ['
+CONVERT(varchar(10),DATEADD(day,number,@minDate),120)+']'
FROM master.dbo.spt_values
WHERE type = 'P' AND DATEADD(day,number,@minDate)<=@maxDate;
DECLARE @cmd nvarchar(4000);
SET @cmd = N'
SELECT ISNULL(A.时段,''合计'') AS 时段'+@sql+',
COUNT(列名1) AS 合计
FROM(
SELECT 时段=RIGHT(100+number,2)+'':00~''+RIGHT(100+number+1,2)+'':00'',
MinDate = RIGHT(100+number,2)+'':00:00'',
MaxDate = RIGHT(100+number+1,2)+'':00:00''
FROM master.dbo.spt_values
WHERE type = ''P'' AND number < 24
) AS A
LEFT JOIN (SELECT * FROM #tb
WHERE 时间 BETWEEN @minDate AND @maxDate) AS B
ON CONVERT(varchar(8),B.时间,108) >= A.MinDate
AND CONVERT(varchar(8),B.时间,108) < A.MaxDate
GROUP BY A.时段 WITH ROLLUP;'
EXEC sp_executesql @cmd,N'@minDate datetime,@maxDate datetime',@minDate,@maxDate;
DROP TABLE #tb;
结果:
- 时段 2009-11-01 2009-11-02 2009-11-03 2009-11-04 2009-11-05 2009-11-06 2009-11-07 2009-11-08 2009-11-09 2009-11-10 2009-11-11 2009-11-12 2009-11-13 2009-11-14 2009-11-15 2009-11-16 2009-11-17 2009-11-18 2009-11-19 2009-11-20 2009-11-21 2009-11-22 2009-11-23 2009-11-24 2009-11-25 2009-11-26 2009-11-27 2009-11-28 2009-11-29 2009-11-30 2009-12-01 合计00:00~01:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 001:00~02:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 002:00~03:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 003:00~04:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 004:00~05:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 005:00~06:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 006:00~07:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 007:00~08:00 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 108:00~09:00 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 2 1 1 1 1 1 0 0 0 1009:00~10:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 210:00~11:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 011:00~12:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 012:00~13:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 013:00~14:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 014:00~15:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 015:00~16:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 016:00~17:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 017:00~18:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 018:00~19:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 019:00~20:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 020:00~21:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 021:00~22:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 022:00~23:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 023:00~24:00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0合计 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 2 1 1 1 1 1 1 1 0 13
代码
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->-------------------------------------
-- Author : liangCK 梁爱兰
-- Comment: 小梁 爱 兰儿
-- Date : 2010-01-02 16:47:10
-------------------------------------
--> 生成测试数据: #tb
CREATE TABLE #tb(列名1 varchar(12),时间 datetime)
INSERT INTO #tb
SELECT '03174190188','2009-11-01 07:17:39.217' UNION ALL
SELECT '015224486575','2009-11-01 08:01:17.153' UNION ALL
SELECT '013593006926','2009-11-12 08:04:46.560' UNION ALL
SELECT '013599584239','2009-11-22 08:53:27.763' UNION ALL
SELECT '013911693526','2009-11-23 08:53:51.683' UNION ALL
SELECT '013846472440','2009-11-23 08:54:57.233' UNION ALL
SELECT '013990353697','2009-11-24 08:55:25.077' UNION ALL
SELECT '013990353697','2009-11-25 08:56:01.327' UNION ALL
SELECT '013945594843','2009-11-26 08:57:02.233' UNION ALL
SELECT '013990353697','2009-11-27 08:57:29.700' UNION ALL
SELECT '013916597421','2009-11-28 08:59:49.390' UNION ALL
SELECT '03916995857','2009-11-29 09:11:05.607' UNION ALL
SELECT '015097712001','2009-11-30 09:13:50.293'
--SQL查询如下:
DECLARE @minDate datetime,@maxDate datetime;
SELECT @minDate = '2009-11-1',@maxDate = '2009-12-01';
DECLARE @sql varchar(8000);
SET @sql = '';
SELECT @sql=@sql+',SUM(CASE WHEN CONVERT(varchar(8),时间,108) >='''
+RIGHT(100+number,2)
+':00:00'' AND CONVERT(varchar(8),时间,108) < '''
+RIGHT(100+number+1,2)+':00:00''THEN 1 ELSE 0 END) AS ['
+RIGHT(100+number,2)+':00-'+RIGHT(100+number+1,2)+':00]'
FROM master.dbo.spt_values
WHERE type = 'P' AND number < 24;
DECLARE @cmd nvarchar(4000);
SET @cmd = N'SELECT ISNULL(CONVERT(varchar(10),时间,120),''合计'') AS 时段'+@sql+',
COUNT(列名1) AS 合计
FROM #tb
WHERE 时间 BETWEEN @minDate AND @maxDate
GROUP BY CONVERT(varchar(10),时间,120) WITH ROLLUP;';
EXEC sp_executesql @cmd,N'@minDate datetime,@maxDate datetime',@minDate,@maxDate;
DROP TABLE #tb;
代码
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->-------------------------------------
-- Author : liangCK 梁爱兰
-- Comment: 小梁 爱 兰儿
-- Date : 2010-01-02 16:47:10
-------------------------------------
--> 生成测试数据: #tb
CREATE TABLE #tb(列名1 varchar(12),时间 datetime)
INSERT INTO #tb
SELECT '03174190188','2009-11-01 07:17:39.217' UNION ALL
SELECT '015224486575','2009-11-01 08:01:17.153' UNION ALL
SELECT '013593006926','2009-11-12 08:04:46.560' UNION ALL
SELECT '013599584239','2009-11-22 08:53:27.763' UNION ALL
SELECT '013911693526','2009-11-23 08:53:51.683' UNION ALL
SELECT '013846472440','2009-11-23 08:54:57.233' UNION ALL
SELECT '013990353697','2009-11-24 08:55:25.077' UNION ALL
SELECT '013990353697','2009-11-25 08:56:01.327' UNION ALL
SELECT '013945594843','2009-11-26 08:57:02.233' UNION ALL
SELECT '013990353697','2009-11-27 08:57:29.700' UNION ALL
SELECT '013916597421','2009-11-28 08:59:49.390' UNION ALL
SELECT '03916995857','2009-11-29 09:11:05.607' UNION ALL
SELECT '015097712001','2009-11-30 09:13:50.293'
--SQL查询如下:
DECLARE @minDate datetime,@maxDate datetime;
SELECT @minDate = '2009-11-1',@maxDate = '2009-12-01';
select convert(char(10),dateadd(d,number,@minDate),120),
sum(case when convert(char(8),时间,108) between '00:00' and '01:00' then 1 else 0 end) as '00:00~01:00',
sum(case when convert(char(8),时间,108) between '01:00' and '02:00' then 1 else 0 end) as '01:00~02:00',
sum(case when convert(char(8),时间,108) between '02:00' and '03:00' then 1 else 0 end) as '02:00~03:00',
sum(case when convert(char(8),时间,108) between '03:00' and '04:00' then 1 else 0 end) as '03:00~04:00',
sum(case when convert(char(8),时间,108) between '04:00' and '05:00' then 1 else 0 end) as '04:00~05:00',
sum(case when convert(char(8),时间,108) between '05:00' and '06:00' then 1 else 0 end) as '05:00~06:00',
sum(case when convert(char(8),时间,108) between '06:00' and '07:00' then 1 else 0 end) as '06:00~07:00',
sum(case when convert(char(8),时间,108) between '07:00' and '08:00' then 1 else 0 end) as '07:00~08:00',
sum(case when convert(char(8),时间,108) between '08:00' and '09:00' then 1 else 0 end) as '08:00~09:00',count(a.列名1) as 'sum'
from #tb a right join
master..spt_values b on datediff(d,时间,dateadd(d,number,@minDate)) = 0
where dateadd(d,number,@minDate) <= @maxDate and b.type = 'p' and b.number >= 0
group by convert(char(10),dateadd(d,number,@minDate),120)
order by 1
drop table #tb
(13 行受影响)
:00~01:00 01:00~02:00 02:00~03:00 03:00~04:00 04:00~05:00 05:00~06:00 06:00~07:00 07:00~08:00 08:00~09:00 sum
---------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- -----------
-11-01 0 0 0 0 0 0 0 1 1 2
-11-02 0 0 0 0 0 0 0 0 0 0
-11-03 0 0 0 0 0 0 0 0 0 0
-11-04 0 0 0 0 0 0 0 0 0 0
-11-05 0 0 0 0 0 0 0 0 0 0
-11-06 0 0 0 0 0 0 0 0 0 0
-11-07 0 0 0 0 0 0 0 0 0 0
-11-08 0 0 0 0 0 0 0 0 0 0
-11-09 0 0 0 0 0 0 0 0 0 0
-11-10 0 0 0 0 0 0 0 0 0 0
-11-11 0 0 0 0 0 0 0 0 0 0
-11-12 0 0 0 0 0 0 0 0 1 1
-11-13 0 0 0 0 0 0 0 0 0 0
-11-14 0 0 0 0 0 0 0 0 0 0
-11-15 0 0 0 0 0 0 0 0 0 0
-11-16 0 0 0 0 0 0 0 0 0 0
-11-17 0 0 0 0 0 0 0 0 0 0
-11-18 0 0 0 0 0 0 0 0 0 0
-11-19 0 0 0 0 0 0 0 0 0 0
-11-20 0 0 0 0 0 0 0 0 0 0
-11-21 0 0 0 0 0 0 0 0 0 0
-11-22 0 0 0 0 0 0 0 0 1 1
-11-23 0 0 0 0 0 0 0 0 2 2
-11-24 0 0 0 0 0 0 0 0 1 1
-11-25 0 0 0 0 0 0 0 0 1 1
-11-26 0 0 0 0 0 0 0 0 1 1
-11-27 0 0 0 0 0 0 0 0 1 1
-11-28 0 0 0 0 0 0 0 0 1 1
-11-29 0 0 0 0 0 0 0 0 0 1
-11-30 0 0 0 0 0 0 0 0 0 1
-12-01 0 0 0 0 0 0 0 0 0 0
警告: 聚合或其他 SET 操作消除了空值。
(31 行受影响)
代码
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->-------------------------------------
-- Author : liangCK 梁爱兰
-- Comment: 小梁 爱 兰儿
-- Date : 2010-01-02 16:47:10
-------------------------------------
--> 生成测试数据: #tb
CREATE TABLE #tb(列名1 varchar(12),时间 datetime)
INSERT INTO #tb
SELECT '03174190188','2009-11-01 07:17:39.217' UNION ALL
SELECT '015224486575','2009-11-01 08:01:17.153' UNION ALL
SELECT '013593006926','2009-11-12 08:04:46.560' UNION ALL
SELECT '013599584239','2009-11-22 08:53:27.763' UNION ALL
SELECT '013911693526','2009-11-23 08:53:51.683' UNION ALL
SELECT '013846472440','2009-11-23 08:54:57.233' UNION ALL
SELECT '013990353697','2009-11-24 08:55:25.077' UNION ALL
SELECT '013990353697','2009-11-25 08:56:01.327' UNION ALL
SELECT '013945594843','2009-11-26 08:57:02.233' UNION ALL
SELECT '013990353697','2009-11-27 08:57:29.700' UNION ALL
SELECT '013916597421','2009-11-28 08:59:49.390' UNION ALL
SELECT '03916995857','2009-11-29 09:11:05.607' UNION ALL
SELECT '015097712001','2009-11-30 09:13:50.293'
--SQL查询如下:
DECLARE @minDate datetime,@maxDate datetime;
SELECT @minDate = '2009-11-1',@maxDate = '2009-12-01';
select isnull(convert(char(10),dateadd(d,number,@minDate),120),'sum'),
sum(case when convert(char(8),时间,108) between '00:00' and '01:00' then 1 else 0 end) as '00:00~01:00',
sum(case when convert(char(8),时间,108) between '01:00' and '02:00' then 1 else 0 end) as '01:00~02:00',
sum(case when convert(char(8),时间,108) between '02:00' and '03:00' then 1 else 0 end) as '02:00~03:00',
sum(case when convert(char(8),时间,108) between '03:00' and '04:00' then 1 else 0 end) as '03:00~04:00',
sum(case when convert(char(8),时间,108) between '04:00' and '05:00' then 1 else 0 end) as '04:00~05:00',
sum(case when convert(char(8),时间,108) between '05:00' and '06:00' then 1 else 0 end) as '05:00~06:00',
sum(case when convert(char(8),时间,108) between '06:00' and '07:00' then 1 else 0 end) as '06:00~07:00',
sum(case when convert(char(8),时间,108) between '07:00' and '08:00' then 1 else 0 end) as '07:00~08:00',
sum(case when convert(char(8),时间,108) between '08:00' and '09:00' then 1 else 0 end) as '08:00~09:00',count(a.列名1) as 'sum'
from #tb a right join
master..spt_values b on datediff(d,时间,dateadd(d,number,@minDate)) = 0
where dateadd(d,number,@minDate) <= @maxDate and b.type = 'p' and b.number >= 0
group by convert(char(10),dateadd(d,number,@minDate),120)
with rollup
order by 1
drop table #tb
:00~01:00 01:00~02:00 02:00~03:00 03:00~04:00 04:00~05:00 05:00~06:00 06:00~07:00 07:00~08:00 08:00~09:00 sum
---------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- -----------
-11-01 0 0 0 0 0 0 0 1 1 2
-11-02 0 0 0 0 0 0 0 0 0 0
-11-03 0 0 0 0 0 0 0 0 0 0
-11-04 0 0 0 0 0 0 0 0 0 0
-11-05 0 0 0 0 0 0 0 0 0 0
......
-11-28 0 0 0 0 0 0 0 0 1 1
-11-29 0 0 0 0 0 0 0 0 0 1
-11-30 0 0 0 0 0 0 0 0 0 1
-12-01 0 0 0 0 0 0 0 0 0 0
sum 0 0 0 0 0 0 0 1 10 13
(32 行受影响)
- (SQL语句)按指定时间段分组统计
- sql分组统计语句
- 时间段 分组 统计
- group by分组统计SQL语句
- 按时间分组统计的SQL语句
- ORACLE 统计分组语句
- ORACLE 统计分组语句
- SQL中FOR XML PATH 语句[可用于分组统计]
- SQL语句 按年龄段分组统计人数
- 一条sql语句分组、升序、指定条数查询
- mybatis查询时间段sql语句
- mybatis查询时间段sql语句
- mybatis查询时间段sql语句
- mybatis查询时间段sql语句
- mybatis查询时间段sql语句
- mybatis查询时间段sql语句
- SQL中获取指定两个日期时间点或者时间段内所有记录语句
- mybatis分页多条件查询指定时间段数据的sql语句
- spinner组件的使用
- Struts2中使用GET方式传递中文参数出现乱码的解决方案
- SqlMapClient对象-iBatis操作数据库的接口
- 求和的问题ACM
- 当乐网CEO肖永泉：手机游戏赚钱已经不成问题
- (SQL语句)按指定时间段分组统计
- ios开发点滴－信号强弱检测方法
- 高通：增强现实技术即将走入生活
- 2013年互联网格局的十大趋势
- servlet/filter/listener/interceptor区别与联系
- 初学试试看cocos2dx的TestCPP框架(11)---MenuTestScene
- Redis 设计与实现
- MfgTool 烧写内存为256M的板
- App 热潮，谁的机会？——图解九种APP商业模式
