/// <summary>
/// Http请求操作类之HttpWebRequest
/// </summary>
public class HttpHelper
{
#region properties
private ILog _logger;
private readonly Encoding ENCODING = Encoding.UTF8;
#endregion
#region constructor
public HttpHelper()
{
this._logger = LogManager.GetLogger("HttpHelper");
}
#endregion
#region public methods
/// <summary>
/// Post
/// </summary>
/// <param name="url"></param>
/// <param name="msg"></param>
/// <returns></returns>
public string HTTPJsonPost(string url, string msg)
{
string result = string.Empty;
try
{
this._logger.InfoFormat("HTTPJsonPostUrl:{0}", url);
this._logger.InfoFormat("HTTPJsonPostMsg:{0}", msg);
result = CommonHttpRequest(msg, url, "POST");
//if (!result.Contains("\"Code\":200"))
//{
// throw new Exception(result);
//}
}
catch (WebException ex)
{
if (ex.Response != null)
{
HttpWebResponse response = (HttpWebResponse)ex.Response;
Console.WriteLine("Error code: {0}", response.StatusCode);
switch (response.StatusCode)
{
case HttpStatusCode.BadRequest:
case HttpStatusCode.Forbidden:
case HttpStatusCode.InternalServerError:
{
using (Stream data = response.GetResponseStream())
{
using (StreamReader reader = new StreamReader(data))
{
string text = reader.ReadToEnd();
throw new Exception(text);
}
}
}
break;
}
}
this._logger.ErrorFormat("HTTPJsonPost异常:{0}", ex.Message);
}
catch (Exception ex)
{
this._logger.ErrorFormat("HTTPJsonPost异常:{0}", ex.Message);
throw new Exception(ex.Message);
}
return result;
}
/// <summary>
/// Get
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public string HTTPJsonGet(string url)
{
string result = string.Empty;
try
{
this._logger.InfoFormat("HTTPJsonPostUrl:{0}", url);
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
request.ContentType = "application/json";
request.Method = "GET";
HttpWebResponse resp = request.GetResponse() as HttpWebResponse;
System.IO.StreamReader reader = new System.IO.StreamReader(resp.GetResponseStream(), this.ENCODING);
result = reader.ReadToEnd();
}
catch (Exception ex)
{
this._logger.ErrorFormat("HTTPJsonGet异常:{0}", ex.Message);
}
return result;
}
/// <summary>
/// Put
/// </summary>
/// <param name="data"></param>
/// <param name="uri"></param>
/// <returns></returns>
public string HTTPJsonDelete(string url, string data)
{
return CommonHttpRequest(data, url, "DELETE");
}
/// <summary>
/// Put
/// </summary>
/// <param name="data"></param>
/// <param name="uri"></param>
/// <returns></returns>
public string HTTPJsonPut(string url, string data)
{
return CommonHttpRequest(data, url, "PUT");
}
#endregion
#region private
public string CommonHttpRequest(string data, string uri, string type)
{
//Web访问对象，构造请求的url地址
string serviceUrl = uri;
//构造http请求的对象
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl);
myRequest.Timeout = 600000;
//转成网络流
byte[] buf = this.ENCODING.GetBytes(data);
//设置
myRequest.Method = type;
myRequest.ContentLength = buf.LongLength;
myRequest.ContentType = "application/json";
//将客户端IP加到头文件中
string sRealIp = GetHostAddress();
if (!string.IsNullOrEmpty(sRealIp))
{
myRequest.Headers.Add("ClientIp", sRealIp);
}
using (Stream reqstream = myRequest.GetRequestStream())
{
reqstream.Write(buf, 0, (int)buf.Length);
}
HttpWebResponse resp = myRequest.GetResponse() as HttpWebResponse;
System.IO.StreamReader reader = new System.IO.StreamReader(resp.GetResponseStream(), this.ENCODING);
string ReturnXml = reader.ReadToEnd();
reader.Close();
resp.Close();
return ReturnXml;
}
#endregion
/// <summary>
/// 获取客户端IP地址（无视代理）
/// </summary>
/// <returns>若失败则返回回送地址</returns>
public static string GetHostAddress()
{
try
{
string userHostAddress = HttpContext.Current.Request.UserHostAddress;
if (string.IsNullOrEmpty(userHostAddress))
{
userHostAddress = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
//最后判断获取是否成功，并检查IP地址的格式（检查其格式非常重要）
if (!string.IsNullOrEmpty(userHostAddress) && IsIP(userHostAddress))
{
return userHostAddress;
}
return "127.0.0.1";
}
catch
{
return "127.0.0.1";
}
}
/// <summary>
/// 检查IP地址格式
/// </summary>
/// <param name="ip"></param>
/// <returns></returns>
public static bool IsIP(string ip)
{
return System.Text.RegularExpressions.Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$");
}
public static long ConvertDataTimeLong(DateTime dt)
{
DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
TimeSpan toNow = dt.Subtract(dtStart);
long timeStamp = toNow.Ticks;
timeStamp = long.Parse(timeStamp.ToString().Substring(0, timeStamp.ToString().Length - 4));
return timeStamp;
}
public static DateTime ConvertLongDateTime(long d)
{
DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
long lTime = long.Parse(d + "0000");
TimeSpan toNow = new TimeSpan(lTime);
DateTime dtResult = dtStart.Add(toNow);
return dtResult;
}
private string ConvertToJsonString<T>(T model)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(T));
var stream = new MemoryStream();
serializer.WriteObject(stream, model);
byte[] dataBytes = new byte[stream.Length];
stream.Position = 0;
stream.Read(dataBytes, 0, (int)stream.Length);
string dataString = Encoding.UTF8.GetString(dataBytes);
return dataString;
}
}
/// <summary>
/// Http请求操作类之WebClient
/// </summary>
public static class WebClientHelper
{
public static string Post(string url, string jsonData)
{
var client = new WebClient();
client.Headers.Add(HttpRequestHeader.ContentType, "application/json");
client.Encoding = System.Text.Encoding.UTF8;
byte[] data = Encoding.UTF8.GetBytes(jsonData);
byte[] responseData = client.UploadData(new Uri(url), "POST", data);
string response = Encoding.UTF8.GetString(responseData);
return response;
}
public static void PostAsync(string url, string jsonData, Action<string> onComplete, Action<Exception> onError)
{
var client = new WebClient();
client.Headers.Add(HttpRequestHeader.ContentType, "application/json");
client.Encoding = System.Text.Encoding.UTF8;
byte[] data = Encoding.UTF8.GetBytes(jsonData);
client.UploadDataCompleted += (s, e) =>
{
if (e.Error == null && e.Result != null)
{
string response = Encoding.UTF8.GetString(e.Result);
onComplete(response);
}
else
{
onError(e.Error);
}
};
client.UploadDataAsync(new Uri(url), "POST", data);
}
}
