“Django入库”的版本间的差异
跳到导航
跳到搜索
(→查询) |
|||
第105行: | 第105行: | ||
=see also= | =see also= | ||
+ | |||
+ | [https://blog.csdn.net/yanpenggong/article/details/82316514 good Django的数据库详细操作] | ||
+ | |||
[https://blog.csdn.net/fishermanmax/article/details/53233277 python-django的数据简单入库] | [https://blog.csdn.net/fishermanmax/article/details/53233277 python-django的数据简单入库] | ||
2021年7月3日 (六) 06:07的版本
django数据入库
1、声明类
1、声明类: e = Employee() e.name = '入库数据' e.save()即可存入
2、直接类中使用:
ee = Employee(name='aa') ee.save()
3、自带返回值:
Employee.objects.create(name='字段值') eg: Django是在views.py文件中,通过导入models.py文件来创建数据的: from django.shortcuts import render # Create your views here. from blog import models #导入blog模块 from django.shortcuts import HttpResponse def db_handle(request): models.UserInfo.objects.create(username='andy',password='123456',age=33) return HttpResponse('OK') 上面就是创建表数据,也可以通过字典的格式来创建表数据: def db_handle(request): # models.UserInfo.objects.create(username='andy',password='123456',age=33) dic = {"username":"bruce","password":"123456","age":23} models.UserInfo.objects.create(**dic) return HttpResponse('OK')
数据的查询
result = Employee.objects.all() 返回数据对象 直接在页面中输出: from blog.models import Employee from django.shortcuts import render_to_response def index(req): a= Employee.objects.all() return render_to_response('index.html',{'items':a}) 页面视图: {% for i in items%} <div>{{i}}</div> {% endfor %}
修改表数据
复制代码 from django.shortcuts import render # Create your views here. from blog import models from django.shortcuts import HttpResponse def db_handle(request): models.UserInfo.objects.filter(id=1).update(age=18) #找到id=1的数据,将age改为18 return HttpResponse('OK') 复制代码
删除表数据
删除表数据: views.py文件如下: from django.shortcuts import render # Create your views here. from blog import models from django.shortcuts import HttpResponse def db_handle(request): # models.UserInfo.objects.create(username='andy',password='123456',age=33) # dic = {"username":"bruce","password":"123456","age":23} # models.UserInfo.objects.create(**dic) models.UserInfo.objects.filter(id=2).delete() return HttpResponse('OK') 操作方法同上,在浏览器中执行一遍,数据中的id=2的数据即被删除: