public static object GetLocationByName(string name)
{
const string domain = "http://api.map.baidu.com";
const string uri = "/geocoder/v2/";
var dict = new Dictionary <string, string> {
{ "ak", ak }, { "address", name }, { "output", "json" }
};
var sn = AKSNCaculater.CaculateAKSN(ak, sk, uri, dict);
dict.Add("sn", sn);
var result = domain + uri + "?" + AKSNCaculater.HttpBuildQuery(dict);
var stream = WebRequest.Create(result).GetResponse().GetResponseStream();
var str = new StreamReader(stream).ReadToEnd();
var json = JObject.Parse(str);
if (json.Property("status").Value.Value <string>() == "0")
{
return(new
{
status = "success",
msg = json.Property("result").Value.Value <JObject>().Property("location").Value.Value <JObject>().ToString()
});
}
return(new
{
status = "error",
msg = json.Property("msg").Value.Value <string>()
});
}
public static string GetLocationsByName(string city, string place)
{
const string uri = "/place/v2/search";
var dict = new Dictionary <string, string>();
if (string.IsNullOrWhiteSpace(place))
{
place = city;
}
dict.Add("query", place); //检索关键字，多个关键字之间用$分隔
//dict.Add("tag","");//标签项，选项值http://lbsyun.baidu.com/index.php?title=lbscloud/poitags
dict.Add("output", "json"); //输出格式，json或者xml
dict.Add("scope", "1"); //结果的详细程度，1或者空返回基本信息，2返回详细信息
//dict.Add("filter","");//scope为2的时候的有效http://lbsyun.baidu.com/index.php?title=webapi/guide/webservice-placeapi
//dict.Add("oord_type", "3");//坐标类型，1（wgs84ll即GPS经纬度），2（gcj02ll即国测局经纬度坐标），3（bd09ll即百度经纬度坐标），4（bd09mc即百度米制坐标）
//dict.Add("ret_coordtype", "gcj02ll ");//添加后POI返回国测局经纬度坐标
dict.Add("page_size", "10"); //查询多少条数据，分页用
dict.Add("page_num", "0"); //页码，从0开始数，分页用
dict.Add("ak", ak);
dict.Add("timestamp", DateTime.Now.Ticks.ToString()); //设置sn后该值必填
dict.Add("region", city); //城市，如果为全国或者省份，则返回指定区域的POI及数量（POI兴趣点）
dict.Add("city_limit", "false"); //是否只返回region内的POI
dict.Add("sn", AKSNCaculater.CaculateAKSN(ak, sk, uri, dict)); //计算sn的值
var url = domain + uri + "?" + AKSNCaculater.HttpBuildQuery(dict); //拼接URL
var stream = WebRequest.Create(url).GetResponse().GetResponseStream(); //获取返回的流对象
var str = new StreamReader(stream).ReadToEnd(); //将流对象转换成字符串
return(str);
}
