完成cate相关代码

apps/goods/forms.py

@@ -9,7 +9,7 @@ class GoodsCateForm(forms.Form):
     name = forms.CharField(label='分类名称', min_length=2, widget=forms.widgets.TextInput(
         attrs={'class': 'form-control', 'placeholder': '请输入分类名称'}),
                            error_messages={'required': '分类名称不能为空！', 'min_length': '长度最小2位'})
-    parent_id = forms.CharField(label='选择父类', max_length=20, required=True,
+    parent_id = forms.CharField(label='选择父类', max_length=20, required=False,
                                 widget=forms.widgets.Select(
                                     attrs={'class': 'form-control custom-select', 'placeholder': '选择父类'}),
                                 error_messages={'required': '请选择父类'})
@@ -24,15 +24,20 @@ class GoodsCateForm(forms.Form):
         self.alist = [('', '请选择...')]
         self.fields['parent_id'].widget.choices = self.bind_data(cate_all, 0, 1)
 
-    def bind_data(self, datas, _id, n):
+    def bind_data(self, datas_all, _id, n):
         if _id == 0:
-            datas = datas.filter(parent__isnull=True)
+            print(111111111111)
+            datas = datas_all.filter(parent__isnull=True)
+            print(datas)
         else:
-            datas = datas.filter(parent_id=id)
+            print(222222222222)
+            datas = datas_all.filter(parent_id=_id)
+            print(datas)
         for data in datas:
+            print(data)
             self.alist.append((data.id, self.space_length(n) + data.name))
 
-            self.bind_data(datas, data.id, n+2)
+            self.bind_data(datas_all, data.id, n+2)
             print(self.alist)
         return self.alist
 

apps/goods/urls.py

@@ -0,0 +1,24 @@
+"""
+URL configuration for myshop_back project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/4.2/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path
+from apps.goods import views
+
+urlpatterns = [
+    path('cate_index/', views.GoodCateView.as_view(), name='cate_index'),
+    path('cate_add/', views.GoodCateAddView.as_view(), name='cate_add'),
+]

apps/goods/views.py

@@ -1,3 +1,57 @@
-from django.shortcuts import render
+from django.shortcuts import render, redirect
+from django.views.generic.base import View
+
+from apps.goods.models import *
+from apps.goods.forms import *
+
 
 # Create your views here.
+class GoodCateView(View):
+    def get(self, request):
+        cates = GoodsCategory.objects.all()
+        return render(request, 'goods/cate_index.html', {'cates': cates})
+
+    def post(self, request):
+        pass
+
+
+class GoodCateAddView(View):
+    def __init__(self):
+        self.alist = []
+
+    def bind_data(self, data, _id, n):
+        if id == 0:
+            data = data.filter(parent__isnull=True)
+        else:
+            data = data.filter(parent=_id)
+        for d in data:
+            print(d)
+            self.alist[d.id] = self.space_length(n) + d.name
+            self.bind_data(d, d.id, n + 2)
+        return self.alist
+
+    def space_length(self, i):
+        space = ''
+        for j in range(1, i):
+            space += "  "
+        return space + "|--"
+
+    def get(self, request):
+        form_obj = GoodsCateForm()
+        return render(request, 'goods/cate_add.html', {'form_obj': form_obj})
+
+    def post(self, request):
+        form_obj = GoodsCateForm(request.POST, request.FILES)
+        if form_obj.is_valid():
+            name = request.POST.get('name', '')
+            cates = GoodsCategory.objects.filter(name=name)
+            if cates:
+                info = '分类已经存在'
+            else:
+                cate = GoodsCategory.objects.create(**form_obj.cleaned_data)
+                return redirect('cate_index')
+            return render(request, 'goods/cate_add.html', {'form_obj': form_obj, 'info': info})
+        else:
+            errors = form_obj.errors
+            print(errors)
+            return render(request, 'goods/cate_add.html', {'form_obj': form_obj, 'info': errors})

myshop_back/urls.py

@@ -17,9 +17,9 @@ Including another URLconf
 from django.contrib import admin
 from django.urls import path, re_path, include
 
-
 urlpatterns = [
     path('admin/', admin.site.urls),
     path('user/', include('apps.user.urls')),
-    path('basic/', include('apps.basic.urls'))
+    path('basic/', include('apps.basic.urls')),
+    path('goods/', include('apps.goods.urls'))
 ]

templates/goods/cate_add.html

@@ -1,7 +1,64 @@
-{% extends 'shop/base.html' %}
 {% load static %}
-{% block ext_css %}
+<!DOCTYPE html>
-{% endblock %}
+<html lang="en">
-{% block content %}
+<head>
-    
+    <title>新增商品分类</title>
-{% endblock %}
+    <link rel="stylesheet" href="{% static '/dist/css/adminlte.min.css' %}">
+</head>
+<body>
+<div class="wrapper">
+    <section class="content-header">
+        <div class="container-fluid">
+            <div class="row mb-2">
+                <div class="row-sm-12">
+                    <ol class="breadcrumb float-sm-left">
+                        <li class="breadcrumb-item"><a href="#">商品分类</a></li>
+                        <li class="breadcrumb-item active">商品分类增加</li>
+                    </ol>
+                </div>
+            </div>
+        </div>
+    </section>
+    <section class="content">
+        <div class="row">
+            <div class="col-md-12">
+                <form novalidate enctype="multipart/form-data" action="" method="post" class="form-horizontal">
+                    {% csrf_token %}
+                    <div class="card card-primary">
+                        <div class="card-header">
+                            <h3 class="card-title">添加商品分类</h3>
+                        </div>
+                        <div class="card-body">
+                            <div class="form-group">
+                                <label for="{{ form_obj.name.if_for_label }}">{{ form_obj.name.label }}</label>
+                                {{ form_obj.name }}
+                            </div>
+                            <div class="form-group">
+                                <label for="{{ form_obj.parent_id.id_for_label }}">{{ form_obj.parent_id.label }}</label>
+                                {{ form_obj.parent_id }}
+                            </div>
+                            <div class="form-group">
+                                <label for="{{ form_obj.sort.id_for_label }}">{{ form_obj.sort.label }}</label>
+                                {{ form_obj.sort }}
+                            </div>
+                            <div class="form-group">
+                                <label for="{{ form_obj.logo.id_for_label }}">{{ form_obj.logo.label }}</label>
+                                <div class="custom-file">
+                                    {{ form_obj.logo }}
+                                    <label class="custom-file-label" for="customFile">选择图片</label>
+                                </div>
+                            </div>
+                            <div class="card-footer">
+                                <a href="#" class="btn btn-success">取消</a>
+                                <button type="submit" class="btn btn-primary">提交</button>
+                                {{ info }}
+                            </div>
+                        </div>
+                    </div>
+                </form>
+            </div>
+        </div>
+    </section>
+</div>
+</body>
+</html>