java實現根據高德地圖API接口進行地址位置解析，將地址轉化爲經緯度

java實現根據高德地圖API接口進行地址位置解析，將地址轉化爲經緯度
原創文章，轉載請註明，歡迎評論和更改。

1，所需額外ar包，import net.sf.json.JSONObject;

2，完整源代碼代碼

複製代碼

package com.travel.util;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;

import net.sf.json.JSONObject;
    
public class AddressLngLatExchange {
    
    public String getLngLat(String address) {
        StringBuffer json = new StringBuffer();
        try {
            URL u = new URL("http://restapi.amap.com/v3/geocode/geo?address="+address+"&output=JSON&key=7f4ffae4074e8b8e4d147190527a4b72");
            URLConnection yc = u.openConnection();
            //讀取返回的數據
            BufferedReader in = new BufferedReader(new InputStreamReader(yc.getInputStream(),"UTF-8"));
            String inputline = null;
            while((inputline=in.readLine())!=null){
                json.append(inputline);
            }
        in.close();
        } catch (Exception e) {
             e.printStackTrace();
         }
        String jsonStr=json.toString();
        JSONObject jsonObject = JSONObject.fromObject(jsonStr);
        
　　　　　//判斷輸入的位置點是否存在
        if(jsonObject.getJSONArray("geocodes").size()>0)
            return jsonObject.getJSONArray("geocodes").getJSONObject(0).get("location").toString();
        else
            return null;
    }
    public static void main(String[] args)  {
        AddressLngLatExchange addressLngLatExchange=new AddressLngLatExchange();
        System.out.println(addressLngLatExchange.getLngLat("北京"));
        
    }
}

高德地圖的key在高德開放平臺的控制檯中添加， 座標轉換屬於web服務

//百度地圖也記錄一下

public Object[] getCoordinate(String addr) throws IOException {
        String lon = null;//經度
        String lat = null;//緯度
        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){
                        lon = (String)data.subSequence(data.indexOf(":")+1, data.indexOf(","));//經度
                        count++;
                    }else if(count==6){
                        lat = data.substring(data.indexOf(":")+1);//緯度
                        count++;
                    }else{
                        count++;
                    }
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if(insr!=null){
                insr.close();
            }
            if(br!=null){
                br.close();
            }
        }
        return new Object[]{lat,lon};
    }