关于天气
## 关于天气接口
https://openweathermap.org/guide
#### 1. 使用openWeather API接口

- api_key:
```a9e95b29c785688b2623e05c2568e27e```
#### 2. 根据城市名称获取当前天气
http://api.openweathermap.org/data/2.5/weather?q=Sydney,AU&appid={{api_key}}
```
{
"coord": {
"lon": 151.21,
"lat": -33.87
},
"weather": [
{
"id": 803,
"main": "Clouds",
"description": "broken clouds",
"icon": "04n"
}
],
"base": "stations",
"main": {
"temp": 285.81,
"feels_like": 280.97,
"temp_min": 284.82,
"temp_max": 287.15,
"pressure": 1027,
"humidity": 87
},
"visibility": 9000,
"wind": {
"speed": 7.2,
"deg": 170
},
"clouds": {
"all": 75
},
"dt": 1599639491,
"sys": {
"type": 1,
"id": 9600,
"country": "AU",
"sunrise": 1599595378,
"sunset": 1599637347
},
"timezone": 36000,
"id": 2147714,
"name": "Sydney",
"cod": 200
}
```


#### 3. 通过 位置坐标 获取天气
http://api.openweathermap.org/data/2.5/weather?lat={lat}&lon={lon}&appid={API key}