Django 中利用ModelForm 可以快速地利用数据库对应的Model 子类来自动创建对应表单. 例如: from django.db import models from django.forms import ModelForm class Book(models.Model): name = models.CharField(max_length=100) authors = models.ManyToManyField(Author) class BookForm(ModelFor
在stackoverflow上看到一个问题,正好是我疑惑很久的相关问题. [原问题地址]https://stackoverflow.com/questions/18265023/self-instance-in-django-modelform What does self.instance in Django ModelForm constructor mean and where can I find a documentation about it? class MyModelForm(M
关闭使用条款确认: 在/portal-master/portal-impl/src/portal.properties配置文件中,有如下配置: # # Set this to true if all users are required to agree to the terms of use. # terms.of.use.required=true 修改为: # # Set this to true if all users are required to agree to the term
可以以三种不同的方式修改属性的值:直接通过实例进行修改:通过方法进行设置:通过方法进行递增(增加特定的值).下面依次介绍这些方法. class Car(): def __init__(self, make, model, year): """初始化描述汽车的属性""" self.make = make self.model = model self.year = year self.odometer_reading = 0 #修改这个属性的值 d