Python中怎么获取OneNet数据,相信很多没有经验的人对此束手无策,为此本文总结了问题出现的原因和解决方法,通过这篇文章希望你能解决这个问题。
使用python脚本文件对OneNet服务器数据进行上传、获取的操作
上传数据
#!/usr/bin/env python # -*- coding: utf-8 -*- # @Time : 2021/2/24 23:01 # @Author : LiShan # @Email : lishan_1997@126.com # @File : OneNet_Post.py # @Note : https://blog.csdn.net/lishan132/article/details/114044902 import urllib.request import json # 设备ID、Key deviceId = "591972034" APIKey = "ROsfgvwqy2jxn2x93TdDCCbFmL8=" # 上传函数 def OneNet_post_data(info): url = "https://api.heclouds.com/devices/" + deviceId + '/datapoints' streams = [] for index, element in enumerate(info): streams.append({"id": element[0], "datapoints": [{"value": element[1]}]}) values = {"datastreams": streams} data = json.dumps(values).encode("utf-8") request = urllib.request.Request(url, data) request.add_header('api-key', APIKey) request.get_method = lambda: 'POST' request = urllib.request.urlopen(request) print(json.loads(request.read())) if __name__ == '__main__': upload_data = [ ["road1", 10], ["road2", 20], ["road3", 30], ["road4", 40], ["road5", 50], ["road6", 60], ["road7", 70], ["road8", 80], ["road9", 90], ["road10", 100], ["road11", 110], ["road12", 120], ] OneNet_post_data(upload_data)
获取数据
#!/usr/bin/env python # -*- coding: utf-8 -*- # @Time : 2021/2/24 23:01 # @Author : LiShan # @Email : lishan_1997@126.com # @File : OneNet_Get.py # @Note : https://blog.csdn.net/lishan132/article/details/114044902 import urllib.request import json # 设备ID、Key deviceId = "591972034" APIKey = "ROsfgvwqy2jxn2x93TdDCCbFmL8=" # 获取函数 def OneNet_get_data(): url = "http://api.heclouds.com/devices/" + deviceId + "/datastreams" request = urllib.request.Request(url) request.add_header('api-key', APIKey) request.get_method = lambda: 'GET' request = urllib.request.urlopen(request) r = json.loads(request.read()) data = r.pop('data') print(r) return data if __name__ == '__main__': load_data = OneNet_get_data() print('参数' + '\t\t\t\t\t' + '更新时间' + '\t\t\t\t\t\t' + '数值') for index, element in enumerate(load_data): a = str(element.get('update_at', '')) b = str(element.get('current_value', '')) if a != "" and b != "": print(str(element['id']) + '\t\t\t\t' + a + '\t\t\t' + b)
整合为一个文件
#!/usr/bin/env python # -*- coding: utf-8 -*- # pip install prettytable import urllib.request as req import json # 设备ID、Key deviceId = "591972034" APIKey = "ROsfgvwqy2jxn2x93TdDCCbFmL8=" # 上传函数 def OneNet_post_data(info): url = "https://api.heclouds.com/devices/" + info[0] + '/datapoints' headers = {'api-key': info[1]} streams = [] for i, e in enumerate(info[2]): streams.append({"id": e[0], "datapoints": [{"value": e[1]}]}) data = json.dumps({"datastreams": streams}).encode("utf-8") request = json.loads((req.urlopen(req.Request(url, data, headers=headers))).read()) print(request) # 获取函数 def OneNet_get_data(info): url = "http://api.heclouds.com/devices/" + info[0] + "/datastreams" headers = {'api-key': info[1]} request = json.loads((req.urlopen(req.Request(url, headers=headers))).read()) data = request.pop('data') print(request) return data if __name__ == '__main__': # 准备待上传数据 upload_data = [ ["road1", 10], ["road2", 20], ["road3", 30], ["road4", 40], ["road5", 50], ["road6", 60], ["road7", 70], ["road8", 80], ["road9", 90], ["road10", 100], ["road11", 110], ["road12", 120], ] # 上传数据 OneNet_post_data([deviceId, APIKey, upload_data]) # 获取数据 get_data = OneNet_get_data([deviceId, APIKey]) # noinspection PyBroadException try: # 使用表格美化显示数据 import prettytable as pt tb = pt.PrettyTable() tb.field_names = ["id", "update_at", "current_value"] for index, element in enumerate(get_data): ID = str(element.get('id', '')) update_at = str(element.get('update_at', '')) current_value = str(element.get('current_value', '')) tb.add_row([ID, update_at, current_value]) print(tb) except Exception: # 直接显示数据 for index, element in enumerate(get_data): ID = str(element.get('id', '')) update_at = str(element.get('update_at', '')) current_value = str(element.get('current_value', '')) print(ID, update_at, current_value)
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