ORM数据库的增删改查

数据库可视化工具：

https://sqlitestudio.pl/index.rvt

from app01 import models
def orm(request):
    #增加数据
    # 方法1：
    # models.UserInfo.objects.create(username=‘root‘,password=‘root123‘)
    # 方法2：
    # obj = models.UserInfo(username=‘zte‘,password=‘zte‘)
    # obj.save()
    # 方法三：
    # dict1={‘username‘:‘zte1‘,"password":‘zte1‘ }
    # obj = models.UserInfo(**dict1)
    # obj.save()
    #查找数据
    # result=models.UserInfo.objects.all()
    # # print result
    # for row in result:
    #     print row.id,row.username,row.password
    # result = models.UserInfo.objects.filter(username=‘root‘)
    # result = models.UserInfo.objects.filter(username=‘root‘,password=‘root123‘)
    # for row in result:
    #     print row.id,row.username,row.password
    #删除
    # models.UserInfo.objects.filter(id=‘4‘).delete()
    #更新
    models.UserInfo.objects.all().update(password=45678)
    return HttpResponse(‘adasd‘)

# -*- coding: utf-8 -*-
from __future__ import unicode_literals

from django.db import models

# Create your models here.
class UserInfo(models.Model):
    username=models.CharField(max_length=32)
    password=models.CharField(max_length=64)

class zte(models.Model):
    id=models.AutoField(primary_key=True)  #主键，自增
    username=models.CharField(max_length=32)
    password=models.CharField(max_length=64)
    email=models.CharField(max_length=64,null=True)

原文地址：https://www.cnblogs.com/qiangayz/p/8972673.html