百度地图API地址转换成经纬度

public class LngAndLatUtil {
	
	public static Map getLngAndLat(String address){
		Map map=new HashMap();
		 String url = "http://api.map.baidu.com/geocoder/v2/?address="+address+"&output=json&ak=你的百度地图key";
	        String json = loadJSON(url);
	        JSONObject obj = JSONObject.fromObject(json);
	        if(obj.get("status").toString().equals("0")){
	        	double lng=obj.getJSONObject("result").getJSONObject("location").getDouble("lng");
	        	double lat=obj.getJSONObject("result").getJSONObject("location").getDouble("lat");
	        	map.put("lng", lng);
	        	map.put("lat", lat);        	
	        }else{
	        }
		return map;
	}
	
	 public static String loadJSON (String url) {
	        StringBuilder json = new StringBuilder();
	        try {
	            URL oracle = new URL(url);
	            URLConnection yc = oracle.openConnection();
	            BufferedReader in = new BufferedReader(new InputStreamReader(
	                                        yc.getInputStream()));
	            String inputLine = null;
	            while ( (inputLine = in.readLine()) != null) {
	                json.append(inputLine);
	            }
	            in.close();
	        } catch (MalformedURLException e) {
	        } catch (IOException e) {
	        }
	        return json.toString();
	    }
	 
	 public static void main(String[] args) {
		 
		    Map map=LngAndLatUtil.getLngAndLat("北京故宫");
			System.out.println("(经度:"+map.get("lng")+",纬度:"+map.get("lat")+")");
	}
}

  完~

转载于:https://www.cnblogs.com/fron/p/baiduMap-20161120.html

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