csv

backend/shop/admin.py

@@ -7,6 +7,7 @@ from django.shortcuts import redirect
 from unfold.admin import ModelAdmin, TabularInline
 from unfold.decorators import display
 from .models import ESP32Config, Order, Salesperson, WeChatPayConfig, Service, VCCourse, ProductFeature, CommissionLog, WeChatUser, Distributor, Withdrawal, ServiceOrder, CourseEnrollment, AdminPhoneNumber
+from .admin_actions import export_orders_excel
 import qrcode
 from io import BytesIO
 import base64
@@ -402,6 +403,7 @@ class OrderAdmin(ModelAdmin):
     list_filter = ('status', 'salesperson', 'distributor', 'created_at')
     search_fields = ('id', 'customer_name', 'phone_number', 'wechat_trade_no')
     readonly_fields = ('total_price', 'created_at', 'wechat_trade_no')
+    actions = [export_orders_excel]
     
     def get_item_name(self, obj):
         if obj.config:

backend/shop/admin_actions.py

@@ -0,0 +1,170 @@
+import csv
+import json
+import datetime
+from django.http import HttpResponse
+from django.utils.encoding import escape_uri_path
+
+def flatten_json(y):
+    """
+    Flatten a nested json object
+    """
+    out = {}
+
+    def flatten(x, name=''):
+        if type(x) is dict:
+            for a in x:
+                flatten(x[a], name + a + '_')
+        elif type(x) is list:
+            i = 0
+            for a in x:
+                flatten(a, name + str(i) + '_')
+                i += 1
+        else:
+            out[name[:-1]] = x
+
+    flatten(y)
+    return out
+
+def get_order_signup_keys(queryset):
+    """
+    Collect all unique keys from the signup_info JSON of ActivitySignups related to the Order queryset
+    """
+    keys = set()
+    for order in queryset:
+        # Check if order has related activity signups
+        # Assuming reverse relation name is 'activity_signups' based on ActivitySignup model
+        signups = order.activity_signups.all()
+        for signup in signups:
+            if signup.signup_info and isinstance(signup.signup_info, dict):
+                flat_info = flatten_json(signup.signup_info)
+                keys.update(flat_info.keys())
+    return sorted(list(keys))
+
+def get_order_row_data(order):
+    """
+    Build a dictionary of all exportable data for a single Order object
+    """
+    data = {}
+    
+    # 1. 订单基础信息
+    data['订单ID'] = str(order.id)
+    data['商户订单号'] = order.out_trade_no or ''
+    data['微信支付单号'] = order.wechat_trade_no or ''
+    data['订单状态'] = order.get_status_display()
+    data['订单总价'] = str(order.total_price)
+    data['购买数量'] = str(order.quantity)
+    data['创建时间'] = order.created_at.strftime('%Y-%m-%d %H:%M:%S')
+    
+    # 商品信息
+    if order.config:
+        data['商品类型'] = '硬件'
+        data['商品名称'] = order.config.name
+    elif order.course:
+        data['商品类型'] = '课程'
+        data['商品名称'] = order.course.title
+    elif order.activity:
+        data['商品类型'] = '活动'
+        data['商品名称'] = order.activity.title
+    else:
+        data['商品类型'] = '未知'
+        data['商品名称'] = '未知'
+
+    # 2. 发货/收货信息
+    data['收货人姓名'] = order.customer_name
+    data['收货电话'] = order.phone_number
+    data['收货地址'] = order.shipping_address
+    data['快递公司'] = order.courier_name or ''
+    data['快递单号'] = order.tracking_number or ''
+
+    # 3. 下单用户信息
+    if order.wechat_user:
+        data['用户昵称'] = order.wechat_user.nickname
+        data['用户ID'] = str(order.wechat_user.id)
+        data['用户OpenID'] = order.wechat_user.openid
+        data['用户绑定手机'] = order.wechat_user.phone_number or ''
+    else:
+        data['用户昵称'] = 'Unknown'
+        data['用户ID'] = ''
+        data['用户OpenID'] = ''
+        data['用户绑定手机'] = ''
+
+    # 4. 销售/分销信息
+    data['销售员'] = order.salesperson.name if order.salesperson else ''
+    data['分销员'] = order.distributor.user.nickname if order.distributor else ''
+
+    return data
+
+def get_order_signup_data(order):
+    """
+    Get flattened signup info for the order.
+    If multiple signups exist, we only take the first one for simplicity in flat export,
+    or we could try to merge them but keys might conflict.
+    Given the context, usually 1 order -> 1 signup for activity.
+    """
+    flat_info = {}
+    signup = order.activity_signups.first()
+    if signup and signup.signup_info and isinstance(signup.signup_info, dict):
+        flat_info = flatten_json(signup.signup_info)
+    return flat_info
+
+def export_orders_excel(modeladmin, request, queryset):
+    """
+    Export selected orders to Excel, including related Activity Signup JSON info
+    """
+    try:
+        from openpyxl import Workbook
+    except ImportError:
+        modeladmin.message_user(request, "请先安装 openpyxl 库以使用 Excel 导出功能", level='error')
+        return
+
+    opts = modeladmin.model._meta
+    filename = f"Orders_{datetime.datetime.now().strftime('%Y%m%d_%H%M%S')}.xlsx"
+    
+    response = HttpResponse(
+        content_type='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+    )
+    response['Content-Disposition'] = f'attachment; filename={escape_uri_path(filename)}'
+    
+    wb = Workbook()
+    ws = wb.active
+    ws.title = "订单导出"
+    
+    # Fixed headers
+    fixed_headers = [
+        '订单ID', '商户订单号', '微信支付单号', '订单状态', '订单总价', '购买数量', '创建时间',
+        '商品类型', '商品名称',
+        '收货人姓名', '收货电话', '收货地址', '快递公司', '快递单号',
+        '用户ID', '用户昵称', '用户OpenID', '用户绑定手机',
+        '销售员', '分销员'
+    ]
+    
+    # Dynamic headers from ActivitySignup (only if orders contain activity orders)
+    json_keys = get_order_signup_keys(queryset)
+    
+    # Write header
+    # Add a prefix to json keys to distinguish them? Or keep as is.
+    # Let's keep as is but maybe add a note in header if needed.
+    ws.append(fixed_headers + json_keys)
+    
+    # Write data
+    for order in queryset:
+        row_data = get_order_row_data(order)
+        signup_data = get_order_signup_data(order)
+        
+        row = []
+        for header in fixed_headers:
+            val = row_data.get(header, '')
+            row.append(str(val)) # Convert everything to string for safety
+            
+        for key in json_keys:
+            val = signup_data.get(key, '')
+            if val is None:
+                val = ''
+            row.append(str(val))
+            
+        ws.append(row)
+        
+    wb.save(response)
+    return response
+
+export_orders_excel.short_description = "导出选中订单为 Excel (含报名信息)"