摘要：
使用get_or_create() 使用方式 user, b = User.objects.get_or_create(u_id=1, name="张三", defaults={'address':'上海'}) print(user) 等同于 users = User.objects.get(u_i 阅读全文
摘要：
Django forms are an advanced set of HTML forms that can be created using python and support all features of HTML forms in a pythonic way. Rendering Dj 阅读全文