为什么80%的码农都做不了架构师？>>> 
申请ak（即获取密钥）
http://lbsyun.baidu.com/apiconsole/key?application=key 去这儿注册一个开发者账号即可
拼写发送http请求的url
譬如这样的调用
http://api.map.baidu.com/geocoder/v2/?address=百度大厦&output=json&ak=E4805d16520de693a3fe707cdc962045&callback=showLocation
接收http请求返回的数据
下面看看代码
/*** 接口常量* @author rex**/
public interface BaiDuApi {/** 根据ip获取信息*/public static final String BD_IP_LOCATION_API = "http://api.map.baidu.com/location/ip";/**根据城市/经纬度获取信息*/public static final String BD_LOCATION2POINT_API = "http://api.map.baidu.com/geocoder/v2/";/** 百度lbs ak密钥*/public static final String BD_LBS_AK = "你申请的AK";}
/** 百度地图API*/
public final class BaiDuMapApi {private static Map<String, String> params = CollectionUtil.newHashMap();private static final List<String> LOCAL_IP = Arrays.asList("127.0.0.1", "localhost");/** 根据ip获取经纬度*/public static Map<String, String> getPoint(String ip) {params.clear();Map<String, String> point = CollectionUtil.newHashMap();if (null != ip && !LOCAL_IP.contains(ip)) {params.put("ip", ip);}params.put("ak", BaiDuApi.BD_LBS_AK);params.put("coor", "bd09ll");String r = HttpKit.get(BaiDuApi.BD_IP_LOCATION_API, params);String json = StringUtils.unicodeToString(r);Map<String, Object> map = JSONUtil.json2Map(json);Map<String, Object> content = JSONUtil.json2Map(map.get("content").toString());Map<String, String> xy = JSONUtil.json2Map(content.get("point").toString());point.put("latitude", xy.get("y"));point.put("longitude", xy.get("x"));return point;}/** 根据城市和地址获取经纬度*/public static Map<String, String> getPoint(String city, String address) {params.clear();Map<String, String> point = CollectionUtil.newHashMap();if (StringUtils.isNotBlank(city) && StringUtils.isNotBlank(address)) {params.put("ak", BaiDuApi.BD_LBS_AK);params.put("callback", "renderOption");params.put("output", "json");params.put("city", city);params.put("address", address);String r = HttpKit.get(BaiDuApi.BD_LOCATION2POINT_API, params);String json = StringUtils.unicodeToString(r.substring(r.indexOf("{"), r.lastIndexOf("}") + 1));Map<String, Object> map = JSONUtil.json2Map(json);Map<String, Object> content = JSONUtil.json2Map(map.get("result").toString());Map<String, Object> location = JSONUtil.json2Map(content.get("location").toString());point.put("latitude", location.get("lat").toString());point.put("longitude", location.get("lng").toString());}return point;}/** 根据ip获取address*/public static Map<String, String> getAddress(String ip) {params.clear();Map<String, String> address_detail = CollectionUtil.newHashMap();if (null != ip && !LOCAL_IP.contains(ip)) {params.put("ip", ip);}params.put("ak", BaiDuApi.BD_LBS_AK);String r = HttpKit.get(BaiDuApi.BD_IP_LOCATION_API, params);String json = StringUtils.unicodeToString(r);Map<String, Object> map = JSONUtil.json2Map(json);Map<String, Object> content = JSONUtil.json2Map(map.get("content").toString());address_detail = JSONUtil.json2Map(content.get("address_detail").toString());return address_detail;}/** 根据经纬度获取详细地址*/public static Map<String, Object> getAddress(String latitude, String longitude) {params.clear();Map<String, Object> info = CollectionUtil.newHashMap();if (StringUtils.isNotBlank(latitude) && StringUtils.isNotBlank(longitude)) {params.put("callback", "renderReverse");params.put("ak", BaiDuApi.BD_LBS_AK);params.put("location", latitude + "," + longitude);params.put("output", "json");params.put("pois", "0");String r = HttpKit.get(BaiDuApi.BD_LOCATION2POINT_API, params);String json = StringUtils.unicodeToString(r.substring(r.indexOf("{"), r.lastIndexOf("}") + 1));Map<String, Object> map = JSONUtil.json2Map(json);info = JSONUtil.json2Map(map.get("result").toString());}return info;}}/** 百度地图API测试*/
public class Test {public static void main(String[] args) {//获取地址信息Map<String, String> m1 = BaiDuMapApi.getAddress(null);System.out.println(m1);//获取经纬度信息Map<String, String> m2 = BaiDuMapApi.getPoint(null);System.out.println(m2);//根据城市获取经纬度Map<String, String> m3 = BaiDuMapApi.getPoint("上海市", "东方明珠");System.out.println(m3);//根据经纬度获取地址Map<String, Object> m4 = BaiDuMapApi.getAddress(m3.get("latitude"), m3.get("longitude"));System.out.println(m4);}
}
{province=上海市, city=上海市, street=, district=, street_number=, city_code=289}
{latitude=31.24916171, longitude=121.48789949}
{latitude=31.244750205504, longitude=121.50713723717}
{formatted_address=上海市浦东新区陆家嘴环路1388号, business=东外滩,陆家嘴,外滩, cityCode=289, location={"lat":31.244750051136,"lng":121.50713723717}, addressComponent={"city":"上海市","district":"浦东新区","province":"上海市","street":"陆家嘴环路","street_number":"1388号"}}
