java通过地址获得经纬度（转）

package com.pb.baiduapi;

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;

/**
* 获取经纬度
*
* @author jueyue 返回格式：Map<String,Object> map map.put("status",
* reader.nextString());//状态 map.put("result", list);//查询结果
* list<map<String,String>>
* 密钥:f247cdb592eb43ebac6ccd27f796e2d2
*/
public class GetLatAndLngByBaidu {

/**
* @param addr
* 查询的地址
* @return
* @throws IOException
*/
public 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 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("北京信息科技大学");
System.out.println(o[0]);//经度
System.out.println(o[1]);//纬度
}

}