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Ê×ÏȲåÈëÒ»¸öDataTime¸ñʽµÄÊý¾Ý:
string sql="insert into [table] (date_time) values('" + date_time.ToString() + "'";
Ö´ÐÐÈçÉÏÃüÁî.²åÈëûÓб¨¸æ´íÎó.
µ«ÊÇ,ÎÒÓÖÓÃÒ»ÌõÃüÁî¶Áȡʱ:
string sql="select * from [table];
.....
IDataReader dr=cmd.ExecuteReader();
...
object obj=dr["data_time"];//ÔÚÕâÀï³ö´íÁË,˵ÊÇÎÞ·¨×ª»»ÎªDataTime¸ñʽ,×Ö·û´®²»ÕýÈ·
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´ð°¸ÊÇ:sqliteÓõÄÈ«Çòʱ¼äUTC,ÒªÓÃdatetime()º¯Êýת»»Èô¸É.
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ʵÔÚû°ì·¨,À´Ó²µÄ°É,Ó²×ÅͷƤ¿´Ô´´úÂë°É.
ËûµÄ¼Ì³Ð¸ñʽ´óÖÂÈçÏÂ:
SqliteConvert-->SqliteBase-->Sqlite3
ÔÚSqliteConvertÖж¨ÒåÁËת»»¸ñʽ,ÉÏÃæËµµÄºÜÃ÷°×,ĬÈÏDataTime¸ñʽΪ ISO8601
È»ºó,SqliteConnection Óõ½ÁËSqlite3.
ÎÒ¾ÍÑо¿ÁËSqliteConnectionµÄÔ´´úÂë,·¢ÏÖSqlite²»ÊÇÓõÄʲôȫÇòµÄUTCʱ¼ä.
Æäʵ¾ÍÊÇÓõĹú¼Ê±ê×¼ISO 8601±ê×¼.
ÄÇÎÒ¾Í×ÅÊÖ¿´Ôõô²ÅÄÜÈÃÎҵijÌÐòºÍsqlite¼æÈÝ.
ÎÒÉú³ÉµÄ×Ö·û´®ºÍsqliteµÄÓÐʲô²»Í¬.
×îºó¿´ÁËmsdnÉ϶Ôiso 8601µÄÃèÊö:(http://msdn.microsoft.com/zh-cn/library/ms187819.aspx)
¸ø³öÁË×Ö·û´®Ê¾Àý:
* 2004-05-23T14:25:10
* 2004-05-23T14:25:10.487
¶øÎÒÉú³ÉµÄ×Ö·û´® data_time.ToString()ºÍËûµÄÓÐÒ»¸ö²»Í¬µÄµØ·½.
¾ÍÊÇûÓÐÄǸöT....(ÆäʵÎÒÒ²²»Ã÷°×ÄǸöTÓÐʲô¹Ø¼ü×÷ÓÃ,·´ÕýAccess,MySql,MsSql¶¼Ã»ÕâÎÊÌâµÄ)
ÎÒÓÖÔÚÏë,Èç¹ûÎÒÓÃÒ»¸öT»áÈçºÎ?
¾Í³¢ÊÔ.ÓÃdata_time.ToString("s");ÕâÖÖ·½·¨×ª»»³É iso 8601±ê×¼×Ö·û´®¸ñʽ
½á¹ûÎÒ³Ôʺ³ÔÁ˸ö½´°åÍ·(ÎÞÎý»°,Òâ˼ÊÇÔËÆøºÃ),¾¹È»³É¹¦ÁË.
ÈçÏÂ:
string sql="insert into [table] (date_time)" values('" + date_time.ToString("s") + "'";
ÕâÑù,ÎÊÌâ¾Í½â¾öÁË,Ï£Íû´ó¼ÒÄܹ»¿´µ½´ËÌù,²¢·¢Ñï¹â´ó,µ½´¦Á÷´«,ÕâÑù²ÅÄÜ·¢Õ¹SqliteµÄÆÕ¼°ÂÊ.
¸½×¢:
ÎÒÆðÏÈÑо¿ÁËBBSMAXµÄSqliteÊý¾Ý¿â.ÎÒÈÏΪÕâ¸öÂÛ̳»áÓкõĽâ¾ö·½·¨.
µ«ÎÒ´íÁË.ÆäʵûÓÐ.bbsMaxÓÃÁËvarchar´úÌæDateTime¸ñʽ.
ÎÒÒ²ÕÕ×öÁË,µ«Êǵ±ÎÒÓõ½ select * from [table] where date_time > '2006-1-1' and date_time< '2008-1-1'
ÀàËÆÕâÑùµÄÓï¾ä,Ïë²éѯһ¸öÖмäµÄʱ¼äÀàÐÍʱ,Óï·¨´íÎó.


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