根据经纬度获取所在城市以及根据地点获取经纬度

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根据经纬度获取所在城市
public staticString getCity(Stringlongitude,String latitude) {
        HttpURLConnectionconnection = null;
        BufferedReaderreader = null;
        try {
            URL getUrl = newURL("http://api.map.baidu.com/geocoder?output=json&location="+latitude+",%20"+longitude+"&key=sO6GQc18t1BZrY1gWbMhgOOa");
            connection= (HttpURLConnection) getUrl.openConnection();
            connection.setConnectTimeout(5000);
            connection.setReadTimeout(5000);
            connection.connect();
            reader= newBufferedReader(newInputStreamReader(connection.getInputStream()));
            StringBuilderbuilder = newStringBuilder();
            Stringline;
            while ((line =reader.readLine()) !=null) {
                builder.append(line);
            }
            if (log.isDebugEnabled())
                log.debug(builder.toString());
            //net.sf.json.JSONObject jsonObj =net.sf.json.JSONObject.fromObject(builder.toString());
            net.sf.json.JSONArray newArray =net.sf.json.JSONArray.fromObject("["+builder.toString()+"]");
            net.sf.json.JSONObjectobj = (net.sf.json.JSONObject)newArray.get(0);
           //System.out.println("newArray:"+newArray);
            //System.out.println("obj:"+obj);
            net.sf.json.JSONObjectresult = (net.sf.json.JSONObject)obj.get("result");
            net.sf.json.JSONObjectaddressComponent =(net.sf.json.JSONObject)result.get("addressComponent");
             String city =(String)addressComponent.get("city");
            return city;
           
        }catch(Exception e) {
            e.printStackTrace();
            log.error(e.getMessage());
        }finally{
            try {
                reader.close();
            }catch(IOException e) {
                e.printStackTrace();
            }finally{
                connection.disconnect();
            }
        }
        return null;
    }
 
 
/**
     * 根据地点获取经纬度
     *
     * @param address:地址 
     * @param city:城市名如： 北京市
     * @return
     */
    //http://api.map.baidu.com/geocoder?address=%E4%B8%8A%E5%9C%B0%E5%8D%81%E8%A1%9710%E5%8F%B7&output=json&key=37492c0ee6f924cb5e934fa08c6b1676&city=%E5%8C%97%E4%BA%AC%E5%B8%82
    public staticString getLonandLat(String address,String city) {
        HttpURLConnection connection= null;
        BufferedReader reader = null;
        try {
            //URL getUrl = newURL("http://api.map.baidu.com/geocoder?output=json&location="+latitude+",%20"+longitude+"&key=sO6GQc18t1BZrY1gWbMhgOOa");
            URL getUrl = newURL("http://api.map.baidu.com/geocoder?address="+address+"&output=json&key=sO6GQc18t1BZrY1gWbMhgOOa&city="+city);
            connection =(HttpURLConnection) getUrl.openConnection();
            connection.setConnectTimeout(5000);
            connection.setReadTimeout(5000);
            connection.connect();
            reader = new BufferedReader(newInputStreamReader(connection.getInputStream()));
            StringBuilder builder = new StringBuilder();
            String line;
            while ((line = reader.readLine()) != null) {
                builder.append(line);
            }
            if (log.isDebugEnabled())
                log.debug(builder.toString());
            //net.sf.json.JSONObjectjsonObj = net.sf.json.JSONObject.fromObject(builder.toString());
            net.sf.json.JSONArray  newArray =net.sf.json.JSONArray.fromObject("["+builder.toString()+"]");
            net.sf.json.JSONObjectobj = (net.sf.json.JSONObject)newArray.get(0);
            System.out.println("newArray:"+newArray);
            System.out.println("obj:"+obj);
            net.sf.json.JSONObjectresult = (net.sf.json.JSONObject)obj.get("result");
            net.sf.json.JSONObjectlocation = (net.sf.json.JSONObject)result.get("location");
            Double Lon =(Double)location.get("lng");
            Double Lat =(Double)location.get("lat");
            System.out.println("result:"+result);
            System.out.println("location:"+location);
            System.out.println("Lon:"+ Lon);
            System.out.println("Lat:"+Lat);
            return Lon + "," + Lat;
           
        }catch(Exception e) {
            e.printStackTrace();
            log.error(e.getMessage());
        }finally{
            try {
                reader.close();
            }catch(IOException e) {
                e.printStackTrace();
            }finally{
                connection.disconnect();
            }
        }
        return null;
    }
   
    @Test
    public static void main(String args[]){
        /*
        Stringcity=WeixinUtil.getCity("116.322987","39.983424");
        System.out.println("city="+city);
        */
        //String lonlat=WeixinUtil.getLonandLat("北京市海淀区中关村大街27号1101-08室", "北京市");
        Stringlonlat=WeixinUtil.getLonandLat("北京市海淀区西土城路10号北京邮电大学学29","北京市");
        System.out.println("hello lulu lonlat="+lonlat);
    }