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。
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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)
看完上述内容，你们掌握Python中怎么获取OneNet数据的方法了吗？如果还想学到更多技能或想了解更多相关内容，欢迎关注创新互联行业资讯频道，感谢各位的阅读！
