我想知道如何在以下 API 调用中使用变量:
response=requests.get('https://api.darksky.net/forecast/f3bc3bd870812cc013666f2bfb75b45d/50,1,2019-11-18T22:05:45+00:00')
我想将纬度和经度变量集成在 for 循环中,而不是本示例中的随机值 50 和 1。当我尝试时,这不起作用并且发生 400 错误。这是语法错误还是不可能?我阅读了该 API 的整个文档,没有任何迹象表明这是不可能的。
[编辑]尝试示例:
for i in range(0,precision):
response=requests.get('https://api.darksky.net/forecast/f3bc3bd870812cc013666f2bfb75b45d/latitude[i],longitude[i],2019-11-18T22:05:45+00:00')
json_data = json.loads(response.text)
wind_speed[i]=json_data["currently"]["windSpeed"]
wind_dir[i]=json_data["currently"]["windBearing"]
在此示例中,i=0,纬度[i]=51.4888,经度[i]=-3.16657
这是错误消息
File "C:/Users/ab79/Documents/GPX WEATHER/test.py", line 8, in <module>
print(json_data["currently"]["windSpeed"])
KeyError: 'currently'
我会做这样的事情:
base_url = 'https://api.darksky.net/forecast/f3bc3bd870812cc013666f2bfb75b45d/{},{},2019-11-18T22:05:45+00:00'
url = base_url.format(latitude[i],longitude[i])
r = requests.get(url)
data = r.json()
您遇到了问题,因为您试图将变量直接注入 url 字符串。尝试使用
.format()
(上图)或 f-string,如下所示:
url = f'https://api.darksky.net/forecast/f3bc3bd870812cc013666f2bfb75b45d/{latitude[i]},{longitude[i]},2019-11-18T22:05:45+00:00'
r = requests.get(url)
data = r.json()