Ƙirƙira & Duba cron

Ƙirƙira da bincika cron

Fasaloli

Goyon bayan tsarin Quartz

Za a iya tantance ƙwararrun masu aiki kamar daƙiƙa, shekara da L, W, #

Gina tsari ta zaɓin maɓalli

Aiki mai sauƙi na zaɓar yanayi kawai kamar kowane, tazara ko kewayo

Lissafa lokacin gudanarwa na gaba ta atomatik

Nuna jeri na gudanarwa biyar na ƙarshe na tsarin da aka samar ko aka bincika

Bayyana ma'anar tsarin cron a cikin rubutu

Nuna ma'anar har da hadaddun tsari a cikin bayani mai sauƙin fahimta

Yadda ake amfani

Canza aiki ta tab

Zaɓi tab "Ƙirƙira" don gina tsari, ko "Bincika" don bincika ma'ana

Saita sharuɗɗan kowane filin

Tantance lokacin gudanarwa ta maɓallin yanayi da ƙima ga kowane daƙiƙa, minti, awa, kwana, wata, ranar mako da shekara

Samu tsari ta maɓallin ƙirƙira

Danna ƙirƙira don nuna tsarin cron, sannan ka kwafa shi zuwa allon kwafa da maɓallin kwafa

Tabbatar ma'ana a tab na bincika

Shigar da tsarin cron naka sannan ka danna bincika don nuna bayani da lokacin gudanarwa na gaba

Misalan amfani

Saita gudanarwa na lokaci-lokaci a Linux

Samar da daidaitaccen tsari don rajista a crontab don hana kuskuren saiti

Karanta saitin da aka mika maka

Fahimci ayyukan tsarin da ke cikin fayil ɗin saiti na wanda ya gabace ka da sauri

Saita ayyukan lokaci-lokaci na CI/CD

Ayyana jadawalin gudanarwa na ayyukan lokaci-lokaci kamar masu jawo gininsu na Jenkins

Koyo da motsa jiki na rubutun cron

Koyi rubutu yayin da kake tabbatar lokacin da tsarin da ka rubuta zai gudana ta jadawalin gudanarwa

Ilimin Asali

Yadda ake rubuta kalmar cron

Kalmar cron ita ce hanyar da ake amfani da ita a Linux da sauransu don tsara lokacin gudanar da ayyuka akai-akai, ta amfani da filayen 5: 'minti sa'a rana wata ranar mako', misali '*/5 * * * *' yana nufin gudanarwa kowace minti 5.

Tauraro (Asterisk)：'*' alama ce da ke wakiltar dukkan ƙimomi na wannan filin, misali '0 9 * * *' yana nufin gudanarwa kowace rana da karfe 9:00.
Kewayon da Jerin Ƙimomi：A cikin filayen, ana amfani da karan haɗi (-) don bayyana kewayo da waƙafi (,) don ƙimomi da yawa, kuma "0 9 * * 1-5" na nufin gudanarwa da ƙarfe 9 na safe daga Litinin zuwa Jumma'a.

Bambanci da Tsarin Quartz

Tsarin Quartz wani tsari ne na faɗaɗawa da ake amfani da shi a masu tsara ayyuka na Java, wanda ke ƙara filin daƙiƙa a farko da filin shekara a ƙarshe, yana da filayen 6 zuwa 7, kuma yana iya amfani da alamomin musamman kamar '?' da 'L'.

Alamomin Musamman kamar L, W, da #

A filayen rana da ranar mako na tsarin Quartz, ana iya amfani da alamomi na musamman waɗanda babu su a cikin cron na ƙa'ida, wanda ke ba da damar bayyana jadawali mai rikitarwa a cikin furuci ɗaya.

L (Ƙarshe)：'L' alama ce da ke wakiltar ƙarshen wata ko ranar mako ta ƙarshe; 'L' a filin rana yana nufin ranar ƙarshe ta wata, yayin da '6L' a filin ranar mako yana nufin Jumma'a ta ƙarshe.
W (Ranar Aiki)：'W' alama ce da ke wakiltar ranar aiki mafi kusa da ranar da aka ƙayyade; misali '15W' yana nufin ranar aiki mafi kusa da rana ta 15 (idan rana ta 15 ta faɗi Asabar, to za a yi Jumma'a ta 14).
# (Ranar Mako ta N)：'#' alama ce da ke nuna ranar mako ta nawa a cikin wata; misali '6#3' yana nufin Jumma'a ta uku, wanda ke ba da damar ƙayyade ranar mako ta nawa a cikin wata.