1、进入页面，提示Creating a ModelForm without either the ‘fields‘ attribute or the ‘exclude‘时
解决方法：打开forms.py文件，修改如下:
class TestModelForm(forms.ModelForm):
class Meta:
model = User
#model = Author
fields = "__all__"
原文：http://www.cnblogs.com/jinjiangongzuoshi/p/4818916.html