- 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;
-
- /**
- * 获取经纬度
- *
- * @author jueyue 返回格式：Map<String,Object> map map.put("status",
- * reader.nextString());//状态 map.put("result", list);//查询结果
- * list<map<String,String>>
- * 密钥:f247cdb592eb43ebac6ccd27f796e2d2
- */
- public class GetLatAndLngByBaidu {
-
- /**
- * @param addr
- * 查询的地址
- * @return
- * @throws IOException
- */
- public Object[] getCoordinate(String addr) throws IOException {
- String lng = null;//经度
- String lat = null;//纬度
- 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 = (URLConnection) 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};
- }
-
-
- public static void main(String[] args) throws IOException {
- GetLatAndLngByBaidu getLatAndLngByBaidu = new GetLatAndLngByBaidu();
- Object[] o = getLatAndLngByBaidu.getCoordinate("成都市天府四街");
- System.out.println(o[0]);//经度
- System.out.println(o[1]);//纬度
- }
-
- }
输出结果：104.04701
30.548397
调用以下路径根据经纬度获取地址，返回数据为JSON格式，
http://api.map.baidu.com/geocoder/v2/?ak=pmCgmADsAsD9rEXkqWNcTzjd&location=30.548397,104.04701&output=json&pois=1
返回结果： - {"status":0,"result":{"location":{"lng":104.04701001273,"lat":30.548396923974},"formatted_address":"四川省成都市武侯区天府四街","business":"","addressComponent":{"city":"成都市","district":"武侯区","province":"四川省","street":"天府四街","street_number":""},"pois":[{"addr":"四川省成都市武侯区天府四街","cp":"NavInfo","distance":"144","name":"保利·心语花园","poiType":"地产小区","point":{"x":104.04823889466,"y":30.54874673449},"tel":"","uid":"881965b85a8d8a977369d348","zip":""},{"addr":"四川省成都市武侯区天府四街","cp":"NavInfo","distance":"629","name":"逸都国际","poiType":"地产小区","point":{"x":104.05247889667,"y":30.547152788724},"tel":"","uid":"e49f869c4f156be9c6effb6b","zip":""},{"addr":"四川省成都市武侯区剑南大道","cp":"NavInfo","distance":"881","name":"世豪广场","poiType":"地产小区","point":{"x":104.05252381195,"y":30.553318490823},"tel":"","uid":"a2a7b0b167a0e1997adbd206","zip":""},{"addr":"四川省成都市武侯区德赛三街","cp":"NavInfo","distance":"989","name":"顾客停车场","poiType":"交通设施","point":{"x":104.04942465794,"y":30.555798655385},"tel":"","uid":"d135a6e15571911483a00cfe","zip":""}],"cityCode":75}}
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