from django.db import models

# Create your models here.

class userinfo(models.Model):

    uname = models.CharField(max_length=32,db_column="用户名")

    pwd = models.CharField(max_length=32,db_column="密码")

    email = models.EmailField(null=True,db_column="邮箱")

def leixing(request):

    #第一种方式：Querset类型

    v1 = models.tablename.objects.all()

    #第二种方式：字典类型

    v2 = models.tablename.objects.all().values("id",)

    #第三种方式：元组类型

    v3 = models.tablesname.objects.all().values_list('id',)