C # Application of HttpClient (i): Obtaining geo-location information on IP

     Public classiphttpclient:basehttpclient {PrivateString AppKey; Private Const stringHost_path ="Http://apis.baidu.com/apistore/iplookupservice/iplookup";  Publiciphttpclient () { This. AppKey = Basehelper.getvalue ("Baiduappkey"); }        /// <summary>        ///HTTP Authentication/// </summary>        /// <returns></returns>         Public Overridedictionary<string,string>Authorization () {return Newdictionary<string,string> {{"Apikey", This. AppKey}}; }        /// <summary>        ///returns the location information for the current IP/// </summary>        /// <param name= "IP" ></param>        /// <returns></returns>         PublicResultdto getipaddress (stringIP) {            varReqparams =NewDictionary<string, string>            {                {"IP", IP}}; vardata = This. SendRequest (Method.get, Host_path, This.            Buildquerystr (Reqparams)); varresult=Jsonhelper.toobject (data.info.ToString ()); if(Data.status && Convert.ToInt32 (result["Errnum"]) ==0)            {                varAddress = Jsonhelper.toobject (result["Retdata"].                ToString ()); returnWebapi.success (address["Country"]. ToString () + address["Province"] + address[" City"]); }            returnWebapi.error (Data.info); }    }

C # Application of HttpClient (i): Obtaining geo-location information on IP