Beispiel #1
0
        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>()
            });
        }
Beispiel #2
0
        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);
        }