def orders_group(request, columnName): if request.method in ["POST", "GET"]: msg = {"code": normal_code, "msg": "成功", "data": {}} where = ' where 1 = 1 ' sql = "SELECT COUNT(*) AS total, " + columnName + " FROM orders " + where + " GROUP BY " + columnName + " LIMIT 10" L = [] cursor = connection.cursor() cursor.execute(sql) desc = cursor.description data_dict = [dict(zip([col[0] for col in desc], row)) for row in cursor.fetchall()] for online_dict in data_dict: for key in online_dict: if 'datetime.datetime' in str(type(online_dict[key])): online_dict[key] = online_dict[key].strftime("%Y-%m-%d") else: pass L.append(online_dict) msg['data'] = L return JsonResponse(msg)是什么意思
时间: 2024-02-14 08:24:09 浏览: 102
Python中if __name__ == '__main__'作用解析
这是一个 Django 中的视图函数,用于处理关于订单信息的请求。它接收两个参数:request 和 columnName。如果请求的方法是 POST 或 GET,那么它会查询数据库中的订单表 orders,并按照 columnName 分组后返回前 10 条数据。其中,columnName 是一个字符串参数,表示按照哪个字段进行分组。返回的数据以 JSON 格式封装在 msg 字典中,并通过 JsonResponse 方法返回。最后,视图函数返回 msg 字典。
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