Ngaba ixesha le-Unix linama-milliseconds?
Ixesha le-unix limele inani lemizuzwana ziphelile ukususela ngowe-1970-01-01T00:00:00Z (NgoJanuwari 1, 1970, ngo-12: 00 AM UTC). Ayithatheli ngqalelo imizuzwana. Le ndlela ibuyisela inani le-millisecond kwixesha le-Unix.
Ngaba isitampu sexesha yi-milliseconds?
Ngaba isitampu sexesha ngemizuzwana okanye iimillisecond? Isitampu sexesha seUNIX yinani elipheleleyo elimele inani lemizuzwana edlulileyo ukususela ngoJanuwari 1 1970. isitampu sexesha kwiJavaScript ivezwa ngeemilliseconds.
Ndizifumana njani iimillisecond kwisitampu sexesha?
Imillisecond yiwaka lesekondi. I-microsecond sisisigidi esinye sesekondi. Ibali elide elifutshane, ukufumana ixesha kwii-milliseconds ezipheleleyo, sebenzisa oku: $ millisecond = intval (microtime (yinyaniso) * 1000);
Ngaba isitampu sexesha kufuneka sibe yimizuzwana okanye imilliseconds?
Umntu akaqhelekanga ukuba azikhathaze ngale nto, nangona kunjalo. Ngokwemveli, izitampu zexesha ze-Unix zichazwe ngokwemigaqo yemizuzwana epheleleyo. Nangona kunjalo, iilwimi ezininzi zanamhlanje (ezifana neJavaScript kunye nezinye) zinika ixabiso ngokwemiqathango yemilliseconds.
Yintoni elandelayo emva kweemilliseconds?
Imillisecond sisisigidi esinye iinanoseconds. Umzuzwana omnye yibhiliyoni yeenanoseconds. Umzuzu ngamashumi amathandathu eebhiliyoni zeenanoseconds. Imizuzu elishumi elinesihlanu ilingana namakhulu alithoba eebhiliyoni zeenanoseconds.
Ndisifunda njani isitampu sexesha se-Unix?
Ukufumana isitampu sexesha sangoku se-unix sebenzisa i-%s ukhetho kumyalelo womhla. Ukhetho lwe-%s lubala isitampu sexesha esisi-unix ngokufumana inani lemizuzwana phakathi komhla wangoku kunye ne-unix epoch. Uya kufumana imveliso eyahlukileyo ukuba usebenzisa lo myalelo ungentla.
Yintoni umzekelo wesitampu sexesha?
Isitampu sexesha sicazululwe mhlawumbi kusetyenziswa imimiselo yokwahlulwa kwesitampu sexesha esimiyo, okanye ifomati yesiko oyibalulayo, ukuquka umda wexesha.
...
Isitampu sexesha esizihambelayo.
| Ubume besitampu sexesha | umzekelo |
|---|---|
| MM/dd/yyyy HH:mm:ss ZZZZ | 10/03/2017 07:29:46 -0700 |
| HH:mm:ss | 11:42:35 |
| HH:mm:ss.SSS | 11:42:35.173 |
| HH:mm:ss,SSS | 11:42:35,173 |
Yeyiphi ifomathi esi sitampu sexesha?
Ifomati emiselweyo yesitampu sexesha esiqulethwe kumtya yi yyy-mm-dd hh:mm:ss. Nangona kunjalo, ungakhankanya umtya wefomati ozikhethelayo echaza ifomathi yedatha yendawo yomtya.
Yintoni uZ kwisitampu sexesha?
U-Z umile yezowuni yexesha elingu-Zero, njengoko ihlanjululwe ngu-0 ukusuka kwi-Coordinated Universal Time (UTC). Bobabini abalinganiswa ngoonobumba abangatshintshiyo kwifomathi, yiyo loo nto bengabhalwanga lixesha.
Yintoni isitampu sexesha seFFFF?
ffff zi ishumi lamawaka kwisekondi. Isicacisi sefomathi yesiko "FF" imele awona manani mabini abalulekileyo kwiqhezu lemizuzwana; oko kukuthi, imele ikhulu lesibini kwixabiso lomhla kunye nexesha. I-MySQL ifumana kwakhona kwaye ibonisa DATETIME amaxabiso kwi- ' YYYY-MM-DD hh:mm:ss ' ifomathi. …
Ndisiguqula njani isitampu sexesha?
Kweli nqaku, siza kukubonisa indlela yokuguqula isitampu se-UNIX sibe ngoku.
...
Guqula isitampu sexesha sibe nguMhla.
| 1. | Kwiseli engenanto ecaleni koluhlu lwakho lwesitampu sexesha kwaye uchwetheze le fomula =R2/86400000+UMHLA(1970,1,1), cofa iqhosha elithi Enter. |
|---|---|
| 3. | Ngoku iseli ikwixesha elifundekayo. |
Yintoni isitampu sangoku?
I-CURRENT TIMESTAMP (okanye CURRENT_TIMESTAMP) irejista eyodwa iyabalula isitampu sexesha esekwe kufundo lwewotshi yexesha lemini xa ingxelo yeSQL isenziwa kumncedisi wesicelo..
Ndisidlula njani isitampu sexesha kwi-API?
Endaweni yoko sebenzisa isicelo esinemiqathango yeGET. Oku kuya kukuxelela kwakhona ukuba isitampu sexesha esigqithiselwa kwinkonzo siya kufuneka sibe kwifomathi echazwe kuMhla kunye necandelo leNgcaciso yeXesha le-RFC 2822. Lonke ulwimi lwenkqubo luya kuba nomsebenzi okanye ithala leencwadi elikhoyo lokucazulula le fomati ibe ngumhla/ixesha. into.
Ngaba isitampu sexesha se-Unix kwi-GMT?
Ngokobuchwephesha, akukho. Nangona ixesha le-epoch liyindlela edlulileyo imizuzwana ukususela ngo-1/1/70 00:00:00 eyona "GMT" (UTC) ayikho. Ixesha le-UTC kwakufuneka litshintshwe amaxesha ambalwa ukuze lithathelwe ingqalelo kwisantya esicothayo somhlaba ojikelezayo.
Uyiphatha njani imihla kwi-API?
Ngoko ke, iindlela ezahlukeneyo ze-ISO-8601 ezinokusetyenziswa kwii-URL zilungile YYYY-MM-DDThhmmssZ kwaye YYYY-MM-DDThhmmss.
...
Jonga eli nqaku ngemithetho ye-5 yemihla ye-API kunye namaxesha APHA:
- Umthetho #1: Sebenzisa i-ISO-8601 ngemihla yakho.
- Umthetho #2: Yamkela nayiphi na indawo yexesha.
- Umthetho #3: Yigcine kwi-UTC.
- Umthetho #4: Yibuyisele kwi-UTC.
- Umthetho #5: Musa ukusebenzisa ixesha ukuba awuyifuni.