/// <summary>
/// 获取大写的MD5签名结果
/// </summary>
/// <param name="encypStr">需要加密的字符串</param>
/// <param name="charset">编码</param>
/// <returns></returns>
public static string GetMD5(string encypStr, string charset)
{
string retStr;
MD5CryptoServiceProvider m5 = new MD5CryptoServiceProvider();
//创建md5对象
byte[] inputBye;
byte[] outputBye;
//使用GB2312编码方式把字符串转化为字节数组．
try
{
inputBye = Encoding.GetEncoding(charset).GetBytes(encypStr);
}
catch (Exception ex)
{
AliTrace.Log("Exception on [Com.Alibaba.Helpers.EncryptHelper.GetMD5]", ex);
inputBye = Encoding.GetEncoding("GB2312").GetBytes(encypStr);
}
outputBye = m5.ComputeHash(inputBye);
retStr = BitConverter.ToString(outputBye);
retStr = retStr.Replace("-", "").ToUpper();
return(retStr);
}
/// <summary>
/// GET方式请求URL，并返回T类型
/// </summary>
/// <typeparam name="T">接收JSON的数据类型</typeparam>
/// <param name="url"></param>
/// <param name="encoding"></param>
/// <param name="maxJsonLength">允许最大JSON长度</param>
/// <returns></returns>
public static T GetJson <T>(string url, Encoding encoding = null, int?maxJsonLength = null)
{
string returnText = RequestUtility.HttpGet(url, encoding);
AliTrace.SendApiLog(url, returnText);
JavaScriptSerializer js = new JavaScriptSerializer();
if (maxJsonLength.HasValue)
{
js.MaxJsonLength = maxJsonLength.Value;
}
//if (returnText.Contains("errcode"))
//当错误代码不为0时，发生错误
if (System.Text.RegularExpressions.Regex.IsMatch(returnText, @"(?isx)\x22error_?code\x22[\s\r\n]*\:[\s\r\n]*(\x22?)\w+\1"))
{
//可能发生错误
AliJsonResult errorResult = js.Deserialize <AliJsonResult>(returnText);
if (errorResult.code != (int)ReturnCode.Success)
{
//发生错误
throw new ErrorJsonResultException(
string.Format("请求发生错误！错误代码：{0}，说明：{1}",
(int)errorResult.code, errorResult.message), null, errorResult, url);
}
}
T result = js.Deserialize <T>(returnText);
return(result);
}
/// <summary>
/// ErrorJsonResultException
/// </summary>
/// <param name="message">异常消息</param>
/// <param name="inner">内部异常</param>
/// <param name="jsonResult">WxJsonResult</param>
/// <param name="url">API地址</param>
public ErrorJsonResultException(string message, Exception inner, AliJsonResult jsonResult, string url = null)
: base(message, inner, true)
{
JsonResult = jsonResult;
Url = url;
AliTrace.ErrorJsonResultExceptionLog(this);
}
/// <summary>
/// 【异步方法】PostGetJson的异步版本
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="url"></param>
/// <param name="cookieContainer"></param>
/// <param name="fileStream"></param>
/// <param name="encoding"></param>
/// <param name="cer">证书，如果不需要则保留null</param>
/// <param name="timeOut"></param>
/// <param name="checkValidationResult"></param>
/// <returns></returns>
public static async Task <T> PostGetJsonAsync <T>(string url
, CookieContainer cookieContainer = null
, Stream fileStream = null
, Encoding encoding = null
, X509Certificate cer = null
, int timeOut = Config.TIME_OUT
, bool checkValidationResult = false)
{
string returnText = await RequestUtility.HttpPostAsync(url, cookieContainer, fileStream, null, null, encoding, cer, timeOut, checkValidationResult);
AliTrace.SendApiLog(url, returnText);
var result = GetResult <T>(returnText);
return(result);
}
/// <summary>
/// 反序列化
/// </summary>
/// <typeparam name="T">类型</typeparam>
/// <param name="xml">XML字符串</param>
/// <returns></returns>
public static object Deserialize <T>(string xml)
{
try
{
using (StringReader sr = new StringReader(xml))
{
XmlSerializer xmldes = new XmlSerializer(typeof(T));
return(xmldes.Deserialize(sr));
}
}
catch (Exception e)
{
AliTrace.Log("Deserialize Exception [Com.Alibaba.Utilities.XmlUtility.Deserialize]", e);
return(null);
}
}
/// <summary>
///
/// </summary>
/// <param name="resourceName"></param>
/// <param name="retryCount"></param>
/// <param name="retryDelay"></param>
/// <returns></returns>
public override bool Lock(string resourceName, int retryCount, TimeSpan retryDelay)
{
int currentRetry = 0;
int maxRetryDelay = (int)retryDelay.TotalMilliseconds;
while (currentRetry++ < retryCount)
{
#region 尝试并获得锁
var getLock = false;
try
{
lock (lookPoolLock)
{
if (LockPool.ContainsKey(resourceName))
{
getLock = false;//已被别人锁住，没有取得锁
}
else
{
LockPool.Add(resourceName, new object()); //创建锁
getLock = true; //取得锁
}
}
}
catch (Exception ex)
{
AliTrace.Log("本地同步锁发生异常：" + ex.Message);;
getLock = false;
}
#endregion
if (getLock)
{
return(true);//取得锁
}
Thread.Sleep(_rnd.Next(maxRetryDelay));
}
return(false);
}
