/// <summary>
/// 计算全部属性的MD5值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="obj"></param>
/// <returns></returns>
public static string Md5 <T>(T obj)
{
string[] propertyNames = GetProperties(obj, null);
Func <T, string> fun = CreateMd5Delegate(obj, propertyNames);
return(fun == null ? "" : CryptographyHelper.MD5FromString(fun(obj)));
}
/// <summary>
/// 计算包含了displayAttribute特性的属性的MD5值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="obj"></param>
/// <param name="displayAttribute"></param>
/// <returns></returns>
public static string Md5 <T>(T obj, Type displayAttribute)
{
string[] propertyNames = GetProperties(obj, displayAttribute);
Func <T, string> fun = CreateMd5Delegate(obj, propertyNames);
string str = fun(obj);
return(fun == null ? "" : CryptographyHelper.MD5FromString(str));
}