api官网说明链接:
http://developer.baidu.com/map/webservice.htm
1、可用接口列举:
获取相关地址提示 place suggestion
http://api.map.baidu.com/place/v2/suggestion?query=水杉®ion=成都&output=json&ak=42b8ececa9cd6fe72ae4cddd77c0da5d
2、获取坐标 geocoding
http://api.map.baidu.com/geocoder?address=锦江区菱安路299号&output=json&key=42b8ececa9cd6fe72ae4cddd77c0da5d
http://api.map.baidu.com/place/v2/search?ak=42b8ececa9cd6fe72ae4cddd77c0da5d&output=json&query=蓝光coco金沙&page_size=10&page_num=0&scope=1®ion=成都
{
"status":0,
"message":"ok",
"total":2,
"results":[
{
"name":"蓝光COCO金沙",
"location":{
"lat":30.687544,
"lng":103.996691
},
"address":"西三环外金沙西源大道（IT大道旁）",
"uid":"223992992c5ee7e0841541df"
},
{
"name":"蓝光COCO金沙2期",
"location":{
"lat":30.681123,
"lng":103.991123
},
"address":"青羊区金沙IT大道旁",
"uid":"b7bb5abb1cd4982213293580"
}
]
}
3、设施导航
http://api.map.baidu.com/place/v2/search?ak=42b8ececa9cd6fe72ae4cddd77c0da5d&output=json&query=图书馆&page_size=20&page_num=0&scope=2®ion=成都
4、java测试类：
import java.io.BufferedReader
import java.io.InputStreamReader
import java.net.URL
import java.net.URLEncoder
import java.util.HashMap
import java.util.Map
public class LocationUtil {
private static final String BAIDU_APP_KEY = "42b8ececa9cd6fe72ae4cddd77c0da5d"
/**
* 返回输入地址的经纬度坐标 key lng(经度),lat(纬度)
*/
public static Map<String, String>getLatitude(String address) {
try {
// 将地址转换成utf-8的16进制
address = URLEncoder.encode(address, "UTF-8")
// 如果有代理，要设置代理，没代理可注释
// System.setProperty("http.proxyHost","192.168.172.23")
// System.setProperty("http.proxyPort","3209")
URL resjson = new URL("http://api.map.baidu.com/geocoder?address="
+ address + "&output=json&key=" + BAIDU_APP_KEY)
BufferedReader in = new BufferedReader(new InputStreamReader(
resjson.openStream()))
String res
StringBuilder sb = new StringBuilder("")
while ((res = in.readLine()) != null) {
sb.append(res.trim())
}
in.close()
String str = sb.toString()
System.out.println("return json:" + str)
if(str!=null&&!str.equals("")){
Map<String, String>map = null
int lngStart = str.indexOf("lng\":")
int lngEnd = str.indexOf(",\"lat")
int latEnd = str.indexOf("},\"precise")
if (lngStart >0 &&lngEnd >0 &&latEnd >0) {
String lng = str.substring(lngStart + 5, lngEnd)
String lat = str.substring(lngEnd + 7, latEnd)
map = new HashMap<String, String>()
map.put("lng", lng)
map.put("lat", lat)
return map
}
}
} catch (Exception e) {
e.printStackTrace()
}
return null
}
public static void main(String args[]) {
Map<String, String>map = LocationUtil.getLatitude("成都 高新西区西区大道1398号")
if (null != map) {
System.out.println(map.get("lng"))
System.out.println(map.get("lat"))
}
}
}
