python manage.py startapp mgr 

path('customers/', 'app.views.list_customer', method='get'),
path('customers/', 'app.views.add_customer',  method='post'),

def dispatcher(request):
    # 將請(qǐng)求參數(shù)統(tǒng)一放入request 的 params 屬性中，方便后續(xù)處理

    # GET請(qǐng)求 參數(shù)在url中，同過(guò)request 對(duì)象的 GET屬性獲取
    if request.method == 'GET':
        request.params = request.GET

    # POST/PUT/DELETE 請(qǐng)求 參數(shù) 從 request 對(duì)象的 body 屬性中獲取
    elif request.method in ['POST','PUT','DELETE']:
        # 根據(jù)接口，POST/PUT/DELETE 請(qǐng)求的消息體都是 json格式
        request.params = json.loads(request.body)


    # 根據(jù)不同的action分派給不同的函數(shù)進(jìn)行處理
    action = request.params['action']
    if action == 'list_customer':
        return listcustomers(request)
    elif action == 'add_customer':
        return addcustomer(request)
    elif action == 'modify_customer':
        return modifycustomer(request)
    elif action == 'del_customer':
        return deletecustomer(request)

    else:
        return JsonResponse({'ret': 1, 'msg': '不支持該類型http請(qǐng)求'})

from django.http import JsonResponse
import json

    # 凡是 url 以 api/mgr  開頭的，
    # 都根據(jù) mgr.urls 里面的 子路由表進(jìn)行路由
    path('api/mgr/', include('mgr.urls')),

from django.urls import path
from mgr import customer
urlpatterns = [
    path('customers', customer.dispatcher),
]

{
    "ret": 0,
    "retlist": [
        {
            "address": "江蘇省常州武進(jìn)市白云街44號(hào)",
            "id": 1,
            "name": "武進(jìn)市 袁騰飛",
            "phonenumber": "13886666666"
        },

        {
            "address": "北京海淀區(qū)",
            "id": 4,
            "name": "北京海淀區(qū)代理 蔡國(guó)慶",
            "phonenumber": "13990123456"
        }
    ]
}

def listcustomers(request):
    # 返回一個(gè) QuerySet 對(duì)象 ，包含所有的表記錄
    qs = Customer.objects.values()

    # 將 QuerySet 對(duì)象 轉(zhuǎn)化為 list 類型
    # 否則不能 被 轉(zhuǎn)化為 JSON 字符串
    retlist = list(qs)

    return JsonResponse({'ret': 0, 'retlist': retlist})

# 導(dǎo)入 Customer 
from common.models import Customer

{
    "action":"add_customer",
    "data":{
        "name":"武漢市橋西醫(yī)院",
        "phonenumber":"13345679934",
        "address":"武漢市橋西醫(yī)院北路"
    }
}

def addcustomer(request):

    info    = request.params['data']

    # 從請(qǐng)求消息中 獲取要添加客戶的信息
    # 并且插入到數(shù)據(jù)庫(kù)中
    # 返回值 就是對(duì)應(yīng)插入記錄的對(duì)象 
    record = Customer.objects.create(name=info['name'] ,
                            phonenumber=info['phonenumber'] ,
                            address=info['address'])

    return JsonResponse({'ret': 0, 'id':record.id})

POST /網(wǎng)站名/api/mgr/signin  HTTP/1.1
Content-Type:   application/x-www-form-urlencoded

{
    "action":"modify_customer",
    "id": 6,
    "newdata":{
        "name":"武漢市橋北醫(yī)院",
        "phonenumber":"13345678888",
        "address":"武漢市橋北醫(yī)院北路"
    }
}

def modifycustomer(request):

    # 從請(qǐng)求消息中 獲取修改客戶的信息
    # 找到該客戶，并且進(jìn)行修改操作
    
    customerid = request.params['id']
    newdata    = request.params['newdata']

    try:
        # 根據(jù) id 從數(shù)據(jù)庫(kù)中找到相應(yīng)的客戶記錄
        customer = Customer.objects.get(id=customerid)
    except Customer.DoesNotExist:
        return  {
                'ret': 1,
                'msg': f'id 為`{customerid}`的客戶不存在'
        }


    if 'name' in  newdata:
        customer.name = newdata['name']
    if 'phonenumber' in  newdata:
        customer.phonenumber = newdata['phonenumber']
    if 'address' in  newdata:
        customer.address = newdata['address']

    # 注意，一定要執(zhí)行save才能將修改信息保存到數(shù)據(jù)庫(kù)
    customer.save()

    return JsonResponse({'ret': 0})

{
    "action":"del_customer",
    "id": 6
}

def deletecustomer(request):

    customerid = request.params['id']

    try:
        # 根據(jù) id 從數(shù)據(jù)庫(kù)中找到相應(yīng)的客戶記錄
        customer = Customer.objects.get(id=customerid)
    except Customer.DoesNotExist:
        return  {
                'ret': 1,
                'msg': f'id 為`{customerid}`的客戶不存在'
        }

    # delete 方法就將該記錄從數(shù)據(jù)庫(kù)中刪除了
    customer.delete()
    return JsonResponse({'ret': 0})

+  static("/", document_root="./z_dist")

# 靜態(tài)文件服務(wù)
from django.conf.urls.static import static

from django.contrib import admin

# 導(dǎo)入一個(gè)include函數(shù)
from django.urls import path, include

# 靜態(tài)文件服務(wù)
from django.conf.urls.static import static

urlpatterns = [
    path('admin/', admin.site.urls),

    # 凡是 url 以 sales/  開頭的，
    # 都根據(jù) sales.urls 里面的 子路由表進(jìn)行路由
    path('sales/', include('sales.urls')),
    # 凡是 url 以 api/mgr  開頭的，
    # 都根據(jù) mgr.urls 里面的 子路由表進(jìn)行路由
    path('api/mgr/', include('mgr.urls')),
]  +  static("/", document_root="./z_dist")

python manage.py runserver 0.0.0.0:8080

http://127.0.0.1:8080/mgr/index.html#/