百度地图API地理编码服务JAVA代码

  public static String getLnglat(String address, String AMAPkey) {
        //"http://restapi.amap.com/v3/geocode/geo?address=上海市东方明珠&output=JSON&key=xxxxxxxxx";
        String geturl = "http://api.map.baidu.com/geocoding/v3/?address=" + address + "&output=json&ak=" + AMAPkey;
        String location = "";
        try {
            URL url = new URL(geturl);    // 把字符串转换为URL请求地址
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();// 打开连接
            connection.connect();// 连接会话
            // 获取输入流
            BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String line;
            StringBuilder sb = new StringBuilder();
            while ((line = br.readLine()) != null) {// 循环读取流
                sb.append(line);
            }
            br.close();// 关闭流
            connection.disconnect();// 断开连接
            JSONObject a = JSON.parseObject(sb.toString());
            //判断输入的位置点是否存在
            System.out.println(sb.toString());
            if (a.getJSONObject("result").size() > 0) {
                String lng = String.valueOf(a.getJSONObject("result").getJSONObject("location").get("lng"));
                String lat = String.valueOf(a.getJSONObject("result").getJSONObject("location").get("lat"));
                location = lng + "," + lat;
            }
            System.out.println(location);
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("失败!");
        }
        return location;
    }