Inkinga enkulu ngokwengeza ku-manytomany ukuthi kungaba nzima ukugcina umkhondo walokho okungeziwe futhi lapho kufanelana khona nesakhiwo sonke sephrojekthi. Lokhu kungaholela ekudidekeni nobunzima bokuthola nokusebenzisa ikhodi.
.com I have a model with a manytomany key. I want to add an object to the manytomany key, but it doesn't work. class MyModel(models.Model): name = models.CharField(max_length=255) other_models = models.ManyToManyField(OtherModel) def add_othermodel(self, othermodel): self ...
2. Django - How do you get the ID of an object in a ManyToMany relationship? stackoverflow.com I have two models: class Category(models.Model): name = models.CharField(max_length=100) slug = models.SlugField() description = models.TextField() parent = TreeForeignKey('self', null=True, blank=True, related_name='children') ...
3. Django - How do you get the ID of an object in a ManyToMany relationship? stackoverflow.com I have two models: class Category(models.Model): name = models.CharField(max_length=100) slug = models.SlugField() description = models.TextField() parent = TreeForeignKey('self', null=True, blank=True, related_name='children') ...
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. I-Django - Uyithola kanjani i-ID yento ebudlelwaneni be-ManyToMany? stackoverflow.com Nginamamodeli amabili: Isigaba sekilasi(amamodeli.Imodeli): igama = amamodeli.CharField(max_length=100) slug = amamodeli.SlugField() incazelo = amamodeli.TextField() umzali = TreeForeignKey('self', null= Iqiniso, akunalutho=Iqiniso, igama_elihlobene='izingane') ...
5. I-Django: Uzithola kanjani zonke izinto ebudlelwaneni be-ManyToMany? stackoverflow.com Nginamamodeli amakilasi alandelayo: ikilasi Umuntu(amamodeli.Model): igama = amamodeli.CharField(max_length=255) ikilasi Iqembu(amamodeli.Model): igama = amamodeli ...
6. kanjani ukuthola i-id yento kubudlelwane be-manytomany django stackoverflow.com nginesigaba semodeli i-MyClass1 (amamodeli . Imodeli ): title1=amamodeli . I-CharField ( max_length = 50 ) incazelo1=amamodeli . I-TextField () image1=amamodeli . I-ImageField ( upload_to=”izithombe” ) def __unicode__ ( self ): zibuyisele ngokwakho . isihloko1 class MyClass2 (amamodeli ...
7. I-Django – Thola zonke izinto ezingeyona ingxenye yobudlelwano bokuningi kuya kwabaningi. kodwa angiboni ukuthi ungakwenza kanjani ngaphandle ...
Inkundla yeManyToMany
Inkambu ye-ManyToMany iyinkambu yemodeli ye-Django ekuvumela ukuthi ugcine idatha emayelana nezinto eziningi. Le nkambu ingasetshenziswa ukugcina ulwazi mayelana nobudlelwano phakathi kwezinto ezahlukene.
Isibonelo, ungasebenzisa inkambu ye-ManyToMany ukuze ugcine ulwazi mayelana nobudlelwano phakathi kwamakhasimende nama-oda. Kulokhu, ikhasimende ngalinye lizoba ne-oda elilodwa noma amaningi ahlotshaniswa nawo, futhi i-oda ngalinye lizoba nekhasimende elilodwa noma ngaphezulu elihlotshaniswa nalo.
Ungasebenzisa inkambu ye-ManyToMany kumamodeli wakho ukuze uphathe lobu budlelwano kalula. Isibonelo, ungakha imodeli ebizwa ngokuthi i-oda egcina imininingwane ye-oda ngalinye, njenge-ID yekhasimende, i-ID ye-oda, kanye nesamba senani elikhokhiwe. Ungabe usudala imodeli ebizwa ngokuthi Ikhasimende egcina imininingwane yekhasimende elilodwa, njenge-ID yekhasimende kanye negama. Ungabe usudala inkambu ye-ManyToMany ebizwa ngokuthi, Orders_Customer exhumanisa ndawonye wonke ama-oda ekhasimende elinikeziwe nawo wonke amakhasimende ahlobene nalawo ma-oda.
Iyini i-Stackoverflow
I-Stackoverflow yiwebhusayithi ye-Q&A yonjiniyela ehlanganisa izihloko ezahlukahlukene zokuhlela. Idumile phakathi konjiniyela ngokuqukethwe kwayo okukhiqizwa umsebenzisi, okuhlelwe kwaba “amathegi” kanye “nemibuzo.”
