根据经纬度获取地区名称，根据地区名称获取经纬度

刺骨的言语ヽ痛彻心扉 2023-03-01 10:30 217阅读 0赞

import org.codehaus.jettison.json.JSONException;
    import org.codehaus.jettison.json.JSONObject;
    
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.UnsupportedEncodingException;
    import java.net.MalformedURLException;
    import java.net.URL;
    import java.net.URLConnection;
    
    /**
     * @author xrj
     * @date 2020/6/8
     */
    public class GpsUtil {
    
    
    //    public static void main(String[] args) {
    //        System.out.println(reverseInt(376419585468736L)+"");
    //    }
    
    
    
    
        public static long reverseInt(long i){
            long s,j=0;
            s=i;
            while (s!=0){
                j = j*10 + s%10;
                s = s/10;
            }
            return j;
        }
    
    
        /**
         * https://lbs.amap.com/console/show/picker?spm=a2c4g.11186623.2.25.1efd56f7y6ENFy
         * @param args
         * @throws IOException
         */
        public static void main(String[] args) throws IOException {
            Object[] o = getCoordinate("成都市天府四街");
            //经度
            System.out.println(o[0]);
            //纬度
            System.out.println(o[1]);
            getCityFromLngAndlat("104.052288,30.546999");
        }
    
        /**
         * @param addr
         * 查询的地址
         * @return
         * @throws IOException
         */
        public  static Object[] getCoordinate(String addr) throws IOException {
            //经度
            String lng = null;
            //纬度
            String lat = null;
            String address = null;
            try {
                address = java.net.URLEncoder.encode(addr, "UTF-8");
            }catch (UnsupportedEncodingException e1) {
                e1.printStackTrace();
            }
            String key = "f247cdb592eb43ebac6ccd27f796e2d2";
            String url = String .format("http://api.map.baidu.com/geocoder?address=%s&output=json&key=%s", address, key);
            URL myURL = null;
            URLConnection httpsConn = null;
            try {
                myURL = new URL(url);
            } catch (MalformedURLException e) {
                e.printStackTrace();
            }
            InputStreamReader insr = null;
            BufferedReader br = null;
            try {
                httpsConn = myURL.openConnection();
                // 不使用代理
                if (httpsConn != null) {
                    insr = new InputStreamReader( httpsConn.getInputStream(), "UTF-8");
                    br = new BufferedReader(insr);
                    String data = null;
                    int count = 1;
                    while((data= br.readLine())!=null){
                        if(count==5){
                            lng = (String)data.subSequence(data.indexOf(":")+1, data.indexOf(","));
                            //经度
                            count++;
                        }else if(count==6){
                            lat = data.substring(data.indexOf(":")+1);
                            //纬度
                            count++;
                        }else{
                            count++;
                        }
                    }
                }
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                if(insr!=null){
                    insr.close();
                }
                if(br!=null){
                    br.close();
                }
            }
            return new Object[]{lng,lat};
        }
    
    
        /**
         * 22.75424,112.76535
         * @param str
         * @throws IOException
         */
        public static void getCityFromLngAndlat(String str) throws IOException {
            //通过修改这里的location（经纬度）参数，即可得到相应经纬度的详细信息
            //f247cdb592eb43ebac6ccd27f796e2d2
            //pmCgmADsAsD9rEXkqWNcTzjd
            String url2 = "http://api.map.baidu.com/geocoder/v2/?ak=pmCgmADsAsD9rEXkqWNcTzjd&location="+str+"&output=json&pois=1 ";
            URL myURL2 = null;
            URLConnection httpsConn2 = null;
            try {
                myURL2 = new URL(url2);
            } catch (MalformedURLException e) {
                e.printStackTrace();
            }
            InputStreamReader insr2 = null;
            BufferedReader br2 = null;
            try {
                httpsConn2 =  myURL2.openConnection();
                // 不使用代理
                if (httpsConn2 != null) {
                    insr2 = new InputStreamReader( httpsConn2.getInputStream(), "UTF-8");
                    br2 = new BufferedReader(insr2);
                    String data2 = br2.readLine();
                    System.out.println("data2:"+data2);
                    try
                    {
                        //解析得到的json格式数据
                        JSONObject dataJson = new JSONObject(data2);
                        JSONObject result = dataJson.getJSONObject("result");
                        JSONObject addressComponent = result.getJSONObject("addressComponent");
                        String city = addressComponent.getString("city");
                        System.out.println("city = " + city);
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                }
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                if(insr2!=null){
                    insr2.close();
                }
            }
        }

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