The free interface provided by the aggregated data used by the weather forecast interface service can be called 100 times per day for free. You can register and activate through https://www.juhe.cn/docs/api/id/73
Interface address: http://apis.juhe.cn/simpleWeather/query
Return format: json
Request method: http get/post
request example: http://apis.juhe.cn/simpleWeather/query?city=%E8%8B %8F%E5%B7%9E&key=
Interface note: Query the weather forecast by city name or city ID
city string 要查询的城市名称/id，城市名称如：温州、上海、北京，需要utf8 urlencode
key string 在个人中心->我的数据,接口名称上方查看
| name | type | illustrate |
|---|---|---|
| error_code | int | Return code, 0 means the query is successful |
| reason | string | Return instructions |
| result | string | Return result set |
| realtime | - | Current weather details |
| info | string | Weather conditions, such as: sunny, cloudy |
| wid | string | Weather identification id, please refer to small interface 2 |
| temperature | string | Temperature, may be empty |
| humidity | string | Humidity, may be empty |
| direct | string | Wind direction, may be empty |
| power | string | Wind power, possibly empty |
| aqi | string | Air quality index, may be empty |
| future | - | Weather conditions in the past 5 days |
| date | string | date |
| temperature | string | Temperature, min/max |
| weather | string | weather conditions |
| direct | string | wind direction |
{
"reason": "查询成功",
"result": {
"city": "苏州",
"realtime": {
"temperature": "4",
"humidity": "82",
"info": "阴",
"wid": "02",
"direct": "西北风",
"power": "3级",
"aqi": "80"
},
"future": [
{
"date": "2019-02-22",
"temperature": "1/7℃",
"weather": "小雨转多云",
"wid": {
"day": "07",
"night": "01"
},
"direct": "北风转西北风"
},
{
"date": "2019-02-23",
"temperature": "2/11℃",
"weather": "多云转阴",
"wid": {
"day": "01",
"night": "02"
},
"direct": "北风转东北风"
},
{
"date": "2019-02-24",
"temperature": "6/12℃",
"weather": "多云",
"wid": {
"day": "01",
"night": "01"
},
"direct": "东北风转北风"
},
{
"date": "2019-02-25",
"temperature": "5/12℃",
"weather": "小雨转多云",
"wid": {
"day": "07",
"night": "01"
},
"direct": "东北风"
},
{
"date": "2019-02-26",
"temperature": "5/11℃",
"weather": "多云转小雨",
"wid": {
"day": "01",
"night": "07"
},
"direct": "东北风"
}
]
},
"error_code": 0
}
For example:
// 连接中央气象台的API
Object weather = redisTemplate.opsForValue().get("weather");
if (weather == null) {
URL url = null;
try {
url = new URL(
"http://apis.juhe.cn/simpleWeather/query?city=%E6%9E%A3%E5%BA%84&key=----------------------");
}
catch (MalformedURLException e) {
e.printStackTrace();
}
URLConnection connectionData = null;
try {
connectionData = url.openConnection();
}
catch (IOException e) {
e.printStackTrace();
}
connectionData.setConnectTimeout(1000);
Map<String, Object> map = new HashMap<String, Object>();
try {
BufferedReader br = new BufferedReader(new InputStreamReader(connectionData.getInputStream(), "UTF-8"));
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = br.readLine()) != null) {
sb.append(line);
}
String datas = sb.toString();
JSONObject jsonData = JSON.parseObject(datas);
String result = jsonData.getString("result");
HashMap map1 = JSON.parseObject(result, HashMap.class);
redisTemplate.opsForValue().setIfAbsent("weather", map1, 3600, TimeUnit.SECONDS);
return map1;
}
catch (SocketTimeoutException e) {
System.out.println("连接超时");
}
catch (FileNotFoundException e) {
System.out.println("加载文件出错");
}
catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
catch (Exception e) {
e.printStackTrace();
}
return map;