django开发

url

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from django.views.decorators.csrf import csrf_exempt

path('api/xxx/xxx',csrf_exempt(xxxView.as_view()))

admin

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from django.contrib import admin
from .models import xxx
from django.utils.safestring import mark_safe
#导入需要管理的数据库表
admin.site.site_header = 'xxx管理后台'  # 设置header
admin.site.site_title = 'xxx管理后台'  # 设置title
admin.site.index_title = 'xxx管理后台'


@admin.register(xxx)
class xxxAdmin(admin.ModelAdmin):
    list_display = ('id', 'name',,'created_time')
    # 文章列表里显示想要显示的字段
    list_per_page = 10
    # 满50条数据就自动分页
    ordering = ('-created_time',)
    #后台数据列表排序方式
    list_display_links = ('id', 'name')
    # 设置哪些字段可以点击进入编辑界面

view

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import json
from django.http import JsonResponse
from django.shortcuts import render
from rest_framework.response import Response
from rest_framework.views import APIView

class xxxView(APIView):
    def post(self,request):
         # （1）默认数据请求
        # name = request.POST.get('username')
        # psd = request.POST.get('password')

        # （2）JSON数据请求
        request_dict = json.loads(request_data.decode('utf-8'))
        engine = request_dict.get('username')
        prompt = request_dict.get('password')#获取对应的值
        ......
        if not xxx:
            return JsonResponse({
                'code': 404,
                'message': 'No place now',
            })
        
        return JsonResponse({
            'code':200,
            'message':'success',
            'data':{
                'name':name,
                'password':password
            }
        })

增删改查

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from django.core import serializers
import xxxModel
from apps.xxxmodels import xxxModel

data = serializers.serialize("json", xxxModel.objects.all()) # 将django对象转化为json
create = xxxModel.objects.create(name='xxx',password='xxx') # 创建
filter_one =  xxxModel.objects.filter(username='xxx').first() # 查找一个
filter_all =  xxxModel.objects.all() # 查找所以有
delete =  xxxModel.objects.filter(username='xxx').delete() # 删除
update = xxxModel.objects.filter(username='xxx').update(name='xxxx') # 修改


# 范围查询
# in:是否包含在范围内
xxxModel.objects.filter(id__in=[1,3,5])
# 查询编号为1或3或5的图书

# gt 大于 (greater then)
# gte 大于等于 (greater then equal)
# lt 小于 (less then)
# lte 小于等于 (less then equal)
xxxModel.objects.filter(id__gt=3)

# 不等于的运算符，使用exclude()过滤器
xxxModel.objects.exclude(id=3)

路由跳转

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url:
    path('analysis/', views.analysis, name='analysis')
html:
    <a href="{% url 'analysis' %}"></a>
view:
    def analysis(request):
    return render(request,'analysis.html')