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;
/**
* 獲取經(jīng)緯度
*
* @author jueyue 返回格式：Map<String,Object> map map.put("status",
* reader.nextString());//狀態(tài) map.put("result", list);//查詢(xún)結果
* list<map<String,String>>
* 密鑰:f247cdb592eb43ebac6ccd27f796e2d2
*/
public class GetLatAndLngByBaidu {
/**
* @param addr
* 查詢(xún)的地址
* @return
* @throws IOException
*/
public Object[] getCoordinate(String addr) throws IOException {
String lng = null;//經(jīng)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){
lng = (String)data.subSequence(data.indexOf(":")+1, data.indexOf(","));//經(jīng)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[]{lng,lat};
}
public static void main(String[] args) throws IOException {
GetLatAndLngByBaidu getLatAndLngByBaidu = new GetLatAndLngByBaidu();
Object[] o = getLatAndLngByBaidu.getCoordinate("成都市天府四街");
System.out.println(o[0]);//經(jīng)度
System.out.println(o[1]);//緯度
}
}
輸出結果：
104.04701http://api.map.baidu.com/geocoder/v2/?ak=pmCgmADsAsD9rEXkqWNcTzjd&location=30.548397,104.04701&output=json&pois=1
{"status":0,"result":{"location":{"lng":104.04701001273,"lat":30.548396923974},"formatted_address":"四川省成都市武侯區天府四街","business":"","addressComponent":{"city":"成都市","district":"武侯區","province":"四川省","street":"天府四街","street_number":""},"pois":[{"addr":"四川省成都市武侯區天府四街","cp":"NavInfo","distance":"144","name":"保利·心語(yǔ)花園","poiType":"地產(chǎn)小區","point":{"x":104.04823889466,"y":30.54874673449},"tel":"","uid":"881965b85a8d8a977369d348","zip":""},{"addr":"四川省成都市武侯區天府四街","cp":"NavInfo","distance":"629","name":"逸都國際","poiType":"地產(chǎn)小區","point":{"x":104.05247889667,"y":30.547152788724},"tel":"","uid":"e49f869c4f156be9c6effb6b","zip":""},{"addr":"四川省成都市武侯區劍南大道","cp":"NavInfo","distance":"881","name":"世豪廣場(chǎng)","poiType":"地產(chǎn)小區","point":{"x":104.05252381195,"y":30.553318490823},"tel":"","uid":"a2a7b0b167a0e1997adbd206","zip":""},{"addr":"四川省成都市武侯區德賽三街","cp":"NavInfo","distance":"989","name":"顧客停車(chē)場(chǎng)","poiType":"交通設施","point":{"x":104.04942465794,"y":30.555798655385},"tel":"","uid":"d135a6e15571911483a00cfe","zip":""}],"cityCode":75}}
