from django.shortcuts import render, get_object_or_404 from django.contrib.auth.decorators import login_required from .forms import Createform from django.contrib import messages @login_required def editpost(request, id): obj= get_object_or_404(Post, id=id) form = Createform(request.POST...
我知道Django中有一个函数; get_or_create这样做但是表格有类似的东西吗?或者我必须做些什么 if form.is_valid(): f = form.save(commit=false) id = get_or_create(name=f.name, author=f.author, price=f.price) 谢谢
Constructing a good form by hand is a lot of work. Popular frameworks like Ruby on Rails and Django contain code to make this process less painful. This module is an attempt to provide the same sort of helpers for node.js. $ npm install forms ...
这些通用的视图将自动创建一个ModelForm,只要它们能知道使用哪一个模型类:如果给出model属性,则使用该模型类。如果get_object() 返回一个对象,则使用该对象的类。...如果你想使用一个自定义的ModelForm(例如添加额外的验证),只需简单地在你的视图上设置form_class
modelformset_factory的使用 fromdjango.forms import modelformset_factory def studyrecordlst(request, course_rec_id):# 生成一个modelformset的类 Formset= modelformset_factory(models.StudyRecord, form=StudyRecordForm, extra=0) # 实例化formset,得到的对象就是类似于form_obj的东西,后面循环直接取对象....
Django 学习3--CreateView 1. 表单 表单有两种:Form和ModelForm Form是普通的表单,需要我们自己定义一些字段,跟model无关,跟前端有关 ModelForm是跟model有关联的,跟前端也有关,利用后端对model的定义,会对前端的数据进行校验 2.示例 在first_project/personal_info路径下,新建forms.py文件(这是约定俗成的)...
此处必须使用模板标记{% cripy form_name %} 注意：易碎过滤器在此处不起作用，因此只需更换{{ form|...
So next we create the ModelForm in the forms.py file. The ModelForm in Django is a form based off of the database table that we have just created. We create a ModelForm called FileForm. This is shown in the code below. class FileForm(forms.ModelForm): class Meta: model= File fiel...
DJANGOCMS_FORMS_PLUGIN_MODULE = _('Generic') Name of the plugin: DJANGOCMS_FORMS_PLUGIN_NAME = _('Form') The path to the default template used to render the template: DJANGOCMS_FORMS_DEFAULT_TEMPLATE = 'djangocms_forms/form_template/default.html' ...
使用get_or_create() 使用方式 user, b = User.objects.get_or_create(u_id=1, name="张三", ...