google map 解析 经纬度

package cn.liushaoxiong.www;

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;

import cn.liushaoxiong.util.Coordinate;

public class Demo { public static void main(String[] args) {  String addr = GetAddr("35.8616600", "104.1953970");  System.out.println(addr);  //getCoordinate("中国"); }

 /**  * 根据经纬度反向解析地址，有时需要多尝试几次  * 注意:(摘自：http://code.google.com/intl/zh-CN/apis/maps/faq.html  * 提交的地址解析请求次数是否有限制？) 如果在 24 小时时段内收到来自一个 IP 地址超过 15,000 个地址解析请求， 或从一个 IP  * 地址提交的地址解析请求速率过快，Google 地图 API 编码器将用 620 状态代码开始响应。 如果地址解析器的使用仍然过多，则从该 IP  * 地址对 Google 地图 API 地址解析器的访问可能被永久阻止。  *   * @param latitude  *            纬度  * @param longitude  *            经度  * @return  */ public static String GetAddr(String latitude, String longitude) {  String addr = "";

  // 也可以是http://maps.google.cn/maps/geo?output=csv&key=abcdef&q=%s,%s，不过解析出来的是英文地址  // 密钥可以随便写一个key=abc  // output=csv,也可以是xml或json，不过使用csv返回的数据最简洁方便解析  String url = String.format(    "http://ditu.google.cn/maps/geo?output=csv&key=abcdef&q=%s,%s",    latitude, longitude);  URL myURL = null;  URLConnection httpsConn = null;  try {   myURL = new URL(url);  } catch (MalformedURLException e) {   e.printStackTrace();   return null;  }  try {   httpsConn = (URLConnection) myURL.openConnection();   if (httpsConn != null) {    InputStreamReader insr = new InputStreamReader(      httpsConn.getInputStream(), "UTF-8");    BufferedReader br = new BufferedReader(insr);    String data = null;    if ((data = br.readLine()) != null) {     System.out.println(data);     String[] retList = data.split(",");     if (retList.length > 2 && ("200".equals(retList[0]))) {      addr = retList[2];      addr = addr.replace("/"", "");     } else {      addr = "";     }    }    insr.close();   }  } catch (IOException e) {   e.printStackTrace();   return null;  }  return addr; }  public static void getCoordinate(String addr) {  String addrs = "";     String address = null;  try {   address = java.net.URLEncoder.encode(addr,"UTF-8");  } catch (UnsupportedEncodingException e1) {   e1.printStackTrace();  };        String output = "csv";        String key = "abc";        String url = String.format("http://maps.google.com/maps/geo?q=%s&output=%s&key=%s", address, output, key);        URL myURL = null;        URLConnection httpsConn = null;        //进行转码  try {   myURL = new URL(url);  } catch (MalformedURLException e) {   e.printStackTrace();  }    try {   httpsConn = (URLConnection) myURL.openConnection();   if (httpsConn != null) {    InputStreamReader insr = new InputStreamReader(      httpsConn.getInputStream(), "UTF-8");    BufferedReader br = new BufferedReader(insr);    String data = null;    if ((data = br.readLine()) != null) {     System.out.println(data);     String[] retList = data.split(",");     /*              String latitude = retList[2];              String longitude = retList[3];                            System.out.println("纬度"+ latitude);              System.out.println("经度"+ longitude);              */

     if (retList.length > 2 && ("200".equals(retList[0]))) {      addrs = retList[2];      addrs = addr.replace("/"", "");     } else {      addrs = "";     }    }    insr.close();   }  } catch (IOException e) {   e.printStackTrace();  }        System.out.println(addrs); }}