Django学习第六天

 启动项目命令

python manage.py runserver

取消模态框功能

js实现列表数据删除

第二种实现思路

使用jquery修改模态框标题

编辑页面拿到数据库数据显示默认数据功能实现

想要去数据库中获取数据时：对象/字典

三种不同的数据类型

使用Ajax传入数据实现表单编辑，删除，修改功能

order1.py

import json
import random
from django.shortcuts import render
from django.http import JsonResponse, HttpResponse
from app01 import models
from app01.utils.bootstrap import BootStrapModelForm
from django.views.decorators.csrf import csrf_exempt
from datetime import datetime
from app01.utils.pagination import Pagination
class OrderModelForm(BootStrapModelForm):
    class Meta:
        model = models.Order
        # field = "__all__"
        # fields = [""]
        exclude = ["oid", "admin"]
def order_list(request):
    queryset = models.Order.objects.all().order_by('-id')
    page_object = Pagination(request, queryset)
    form = OrderModelForm()
    context = {
        'form': form,
        'queryset': page_object.page_queryset,
        'page_string': page_object.html()
    }
    return render(request, 'order_list.html', context)
@csrf_exempt
def order_add(request):
    """ 新建订单 （Ajax请求）"""
    form = OrderModelForm(data=request.POST)
    if form.is_valid():
        # 额外增加一些不是用户输入的值（自己计算值）
        form.instance.oid = datetime.now().strftime("%Y%m%d%H%M%S") + str(random.randint(1000, 9999))
        # 固定设置管理员ID
        # form.instance.admin = 当前登录系统管理员的ID
        # keys = list(request.session.keys())
        # print(keys)
        form.instance.admin_id = request.session["info"]["id"]
        # 保存到数据库中
        form.save()
        return JsonResponse({"status": True})
        # return HttpResponse(json.dumps({"status": True}))
    return JsonResponse({"status": False, 'error':  form.errors})
def order_delete(request):
    """ 删除订单 """
    uid = request.GET.get("uid")
    exists = models.Order.objects.filter(id=uid).exists()
    if not exists:
        return JsonResponse({"status": True, 'error': "删除失败，数据不存在"})
    models.Order.objects.filter(id=uid).delete()
    return JsonResponse({"status": True})
def order_detail(request):
    """ 根据ID获取订单明细 """
    # 方式1
    # uid = request.GET.get("uid")
    # row_object = models.Order.objects.filter(id=uid).first()
    # if not row_object:
    #     return JsonResponse({"status": False, 'error': "数据不存在，"})
    #
    # # 从数据库中获取到一个对象 row_object
    # result = {
    #     "status": True,
    #     "data": {
    #         "title": row_object.title,
    #         "price": row_object.price,
    #         "status": row_object.status,
    #     }
    # }
    # return JsonResponse({"status": True, "data": result})
    # 方式2
    uid = request.GET.get("uid")
    row_dict = models.Order.objects.filter(id=uid).values("title", "price", "status").first()
    if not row_dict:
        return JsonResponse({"status": False, "error": "数据不存在。"})
    # 从数据库中获取到一个对象 row_object
    result = {
        "status": True,
        "data": row_dict
    }
    return JsonResponse(result)
@csrf_exempt
def order_edit(request):
    """ 编辑订单 """
    uid = request.GET.get("uid")
    row_object = models.Order.objects.filter(id=uid).first()
    if not row_object:
        return JsonResponse({"status": False, "tips": "数据不存在。"})
    form = OrderModelForm(data=request.POST, instance=row_object)
    if form.is_valid():
        form.save()
        return JsonResponse({"status": True})
    return JsonResponse({"status": False, "error": form.errors})

order_list.html

{% extends 'layout.html' %}
{% block content %}
    
        
        
    
    
        
        
            
            订单列表