[學習筆記]如何調用百度天氣api,學習自百度api

2019-11-11 07:34:32

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使用的是struts框架，調用結果返回出weatherResult【json格式】，再傳到前臺

public String getWeather() {

System.out.PRintln("hello weather");BufferedReader reader = null;StringBuffer sbf = new StringBuffer();String httpUrl = "http://apis.baidu.com/apix/idauth/idauth" + "?" + "name=刘坤&cardno=320921199108025071";try {URL url = new URL(httpUrl);HttpURLConnection connection = (HttpURLConnection) url.openConnection();connection.setRequestMethod("GET");// 填入apikey到HTTP headerconnection.setRequestProperty("apikey","3286167d75112ab25de8936c7a270b35");connection.connect();InputStream is = connection.getInputStream();reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));String strRead = null;while ((strRead = reader.readLine()) != null) {sbf.append(strRead);sbf.append("/r/n");}reader.close();weatherResult = sbf.toString();} catch (Exception e) {e.printStackTrace();}System.out.println(weatherResult);return SUCCESS;

}

json數據示例：

{    "HeWeather data service 3.0": [{        "status": "ok",    //接口狀態，參考http://www.heweather.com/documents/api         "basic": { //基本信息            "city": "故宮博物院",  //景點名稱            "cnty": "中國",  //國家            "id": "CN10101010018A",  //景點ID，參見http://www.heweather.com/documents/cn-attractions-list            "lat": "116.39",  //城市維度            "lon": "39.91",  //城市經度            "update": { //更新時間，景點天氣每天更新三次，分別為8、15、18點                "loc": "2015-07-02 08:10",  //當地時間，如無特殊說明，以下時間均為當地時間                "utc": "2015-07-02 00:10" //UTC時間            }        },        "daily_forecast": [ //7天預報        {            "date": "2015-10-10",  //預報日期，第一天            "astro": { //天文數值                  "sr": "06:19",  //日出時間                "ss": "17:43" //日落時間            },            "cond": { //天氣狀況，天氣狀況代碼和圖標，參考http://www.heweather.com/documents/condition-code                "code_d": "101",  //白天天氣狀況代碼                "code_n": "101",  //夜間天氣狀況代碼                "txt_d": "多云",  //白天天氣狀況描述                "txt_n": "多云" //夜間天氣狀況描述            },            "tmp": { //溫度                "max": "16",  //最高溫度                "min": "10" //最低溫度            },            "wind": {   //風力風向                "dir": "北風",  //風向                "sc": "3-4"  //風力            }        },       {......}//第二到第七天重復以上內容，略        ]    }  ]}本本參考http://apistore.baidu.com/apiworks/servicedetail/880.html，勿噴

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