修改get_record_dict函数返回值

Controller/SensorGateway/SubDeviceController.py

@@ -243,7 +243,7 @@ class GatewaySubDeviceView(View):
                                                            created_time__range=(start_time, now_time)). \
                 values('alarm', 'created_time').order_by('created_time')
             if not sensor_record_qs.exists():
-                return []
+                return record_dict
 
             for sensor_record in sensor_record_qs:
                 created_time = time.strftime('%m/%d %H:%M %w', time.localtime(sensor_record['created_time']))
@@ -265,7 +265,7 @@ class GatewaySubDeviceView(View):
                                                            created_time__range=(start_time, now_time)). \
                 values('alarm', 'created_time').order_by('created_time')
             if not sensor_record_qs.exists():
-                return []
+                return record_dict
 
             for sensor_record in sensor_record_qs:
                 created_time = time.strftime('%m/%d %H:%M %w', time.localtime(sensor_record['created_time']))
@@ -284,7 +284,7 @@ class GatewaySubDeviceView(View):
                                                            created_time__range=(start_time, now_time)). \
                 values('alarm', 'created_time').order_by('created_time')
             if not sensor_record_qs.exists():
-                return []
+                return record_dict
 
             for sensor_record in sensor_record_qs:
                 created_time = time.strftime('%m/%d %H:%M %w', time.localtime(sensor_record['created_time']))
@@ -292,7 +292,7 @@ class GatewaySubDeviceView(View):
                 day = int(created_time[3:5])
                 date = str(month) + '/' + str(day)
                 alarm = float(sensor_record['alarm'])
-                # 组织数据,record_dict:{"0": [1.0, 2.0, 3.0], "1": [1.0, 2.0, 3.0]...}
+                # 组织数据,record_dict:{"1/1": [1.0, 2.0, 3.0], "1/2": [1.0, 2.0, 3.0]...}
                 if date in record_dict:
                     record_dict[date].append(alarm)
                 else: