根据地址获取经度纬度

最新推荐文章于 2022-08-08 00:07:19 发布

转载最新推荐文章于 2022-08-08 00:07:19 发布 · 745 阅读

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package com.tmg.zhuomuniao;

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;

/**
 * Created by Administrator on 2016/2/16.
 */
public class GetLatAndLngByBaidu {
    /**
     * @param addr
     * 查询的地址
     * @return
     * @throws IOException
     */
    public static 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 key = "8eGiayBVO5YZN601bt4werDN";
        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("北京北京市gsdga");
        System.out.println(o[0]);//经度
        System.out.println(o[1]);//纬度
    }

}