新网域名查询和注册API接口类

public class XinNetApiBase{//默认代理编号public readonly static string AgentID = "agent88888";private Encoding _WebEncode = Encoding.GetEncoding("UTF-8");private string _RequestString;private string _Result;private string _RequestUrl;private WebClient _EWebClient = new WebClient();/// <summary>/// 处理编码/// </summary>public Encoding WebEncode{get { return _WebEncode; }set { _WebEncode = value; }}/// <summary>/// 请求的查询参数/// </summary>public string RequestString{get { return _RequestString; }set { _RequestString = value; }}/// <summary>/// 请求返回的结果/// </summary>public string Result{get { return _Result; }set { _Result = value; }}/// <summary>/// 请求的URL地址/// </summary>public string RequestUrl{get { return _RequestUrl; }set { _RequestUrl = value; }}/// <summary>/// 客户端与服务器通信类/// </summary>public WebClient EWebClient{get { return _EWebClient; }set { _EWebClient = value; }}public XinNetApiBase(ApiType _apitype, List<QueryParam> _list){this.RequestUrl = GetApiUrl(_apitype);this.RequestString = GetRequestString(_list);this.GetHttp();}public XinNetApiBase(string _ApiUrl, List<QueryParam> _list){this.RequestUrl = _ApiUrl;this.RequestString = GetRequestString(_list);}public string GetRequestString(List<QueryParam> list){string requestUrl = "";foreach (QueryParam q in list){requestUrl += q.QueryName + "=" + HttpUtility.UrlEncode(q.QueryValue, this.WebEncode) + "&";}return requestUrl.TrimEnd('&');}public string GetHttp(){this.EWebClient.Headers.Add(HttpRequestHeader.ContentType, "application/x-www-form-urlencoded");this.EWebClient.Encoding = this.WebEncode;this.Result = this.EWebClient.UploadString(new Uri(this.RequestUrl), "POST", this.RequestString);return this.Result;}public string GetApiUrl(ApiType _ApiType){string _Url = "";switch (_ApiType){case ApiType.Check:_Url = "http://api.xinnet.com/domain/api.gb?method=check&charset=utf-8";break;case ApiType.Register:_Url = "http://api.xinnet.com/domain/api.gb?method=Register&charset=utf-8";break;case ApiType.Status:_Url = "http://api.xinnet.com/domain/api.gb?method=Status&charset=utf-8";break;case ApiType.ModDns:_Url = "http://api.xinnet.com/domain/api.gb?method=ModDns&charset=utf-8";break;case ApiType.domain:_Url = "http://api.xinnet.com/domain/api.gb?method=DomainRenew&charset=utf-8";break;case ApiType.GetProductKey:_Url = "http://api.xinnet.com/domain/api.gb?method=GetProductKey&charset=utf-8";break;case ApiType.ChangeProductKey:_Url = "http://api.xinnet.com/domain/api.gb?method=ChangeProductKey&charset=utf-8";break;case ApiType.ModifyContactor:_Url = "http://api.xinnet.com/domain/api.gb?method=ModifyContactor&charset=utf-8";break;default:_Url = "http://api.xinnet.com/domain/api.gb?method=testmd5&charset=utf-8";break;}return _Url;}/// <summary>/// MD5加密/// </summary>/// <param name="_ConvertString">加密的内容</param>/// <param name="_Len">16或32 表示16位或32位</param>/// <returns></returns>public static string MD5(string _ConvertString, int _Len){using (System.Security.Cryptography.MD5CryptoServiceProvider provider = new System.Security.Cryptography.MD5CryptoServiceProvider()){switch (_Len){case 16:return BitConverter.ToString(provider.ComputeHash(Encoding.UTF8.GetBytes(_ConvertString)), 4, 8).Replace("-", string.Empty).ToUpper(System.Globalization.CultureInfo.CurrentCulture);case 32:return BitConverter.ToString(provider.ComputeHash(Encoding.UTF8.GetBytes(_ConvertString))).Replace("-", string.Empty).ToUpper(System.Globalization.CultureInfo.CurrentCulture);default:return BitConverter.ToString(provider.ComputeHash(Encoding.UTF8.GetBytes(_ConvertString))).Replace("-", string.Empty).ToUpper(System.Globalization.CultureInfo.CurrentCulture);}}}}public class QueryParam{private string _QueryName;private string _QueryValue;public string QueryName{set { this._QueryName = value; }get { return this._QueryName; }}public string QueryValue{set { this._QueryValue = value; }get { return this._QueryValue; }}public QueryParam(string _Name, string _Value){this.QueryName = _Name;this.QueryValue = _Value;}}public enum ApiType{Check,Register,Status,ModDns,domain,GetProductKey,ChangeProductKey,ModifyContactor}

查询域名是否已经注册，使用演示：

List<QueryParam> param = new List<QueryParam>();

            param.Add(new QueryParam("name", "viqiwu"));
            param.Add(new QueryParam("enc", "E"));
            param.Add(new QueryParam("suffix", ".com"));
            param.Add(new QueryParam("suffix", ".com.cn"));
            param.Add(new QueryParam("suffix", ".cn"));
            param.Add(new QueryParam("client", "agent88888"));

            XinNetApiBase _XinNet = new XinNetApiBase(ApiType.Check, param);

            Response.Write(_XinNet.Result);

            //_XinNet.Result 返回的结果 num=3&enc=E&name1=viqiwu.com&chk1=0&name2=viqiwu.com.cn&chk2=100&name3=viqiwu.cn&chk3=0
            //chk1=0 表示不能注册了  chk1=100 表示可以注册

出处：http://www.cnblogs.com/taven/archive/2009/09/05/1560697.html

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