public class InterfaceKey : IComparable    {        /// 
        /// 接口名称        /// 
        public string InterfaceName = string.Empty;        /// 
        /// 产品标识        /// 
        public string Aid = string.Empty;        /// 
        /// 版本标识        /// 
        public string Version = string.Empty;        /// 
        /// 平台标识        /// 
        public string OSID = string.Empty;        /// 
        /// 表示时间的字符串(具体到分钟。如：201206010001)        /// 
        public string FileName;        public int CompareTo(object obj)        {            if (obj.GetType() != this.GetType())            {                return -1;            }            InterfaceKey selfObj = obj as InterfaceKey;            int result = 0;            if (this.InterfaceName == selfObj.InterfaceName && this.Aid == selfObj.Aid && this.Version == selfObj.Version && this.OSID == selfObj.OSID)            {                result = 1;            }            else                result = -1;            return result;        }        public override bool Equals(object obj)        {            if (obj.GetType() != this.GetType())            {                return false;            }            InterfaceKey other = obj as InterfaceKey;            if (this.InterfaceName != other.InterfaceName || this.Version != other.Version || this.Aid != other.Aid || this.OSID != other.OSID)            {                return false;            }            return true;        }        public override int GetHashCode()        {            return this.InterfaceName.ToString().GetHashCode();        }    }

/// 
    /// 封装接口需要统计的信息的数据结构(可扩展)    /// 
    public class InterfaceInfo    {        /// 
        /// 接口调用次数        /// 
        public Int64 Frequency;        /// 
        /// 接口调用耗时        /// 
        public Int64 TimeConsuming;    }

//Linq GroupBy hourMergerInfo:Dictionary
     
      var query = hourMergerInfo.GroupBy(v => v.Key.InterfaceName).ToDictionary(x => x.Key,                x => new                {                    SumFrequency = x.Sum(y => y.Value.Frequency),                    AvgTimeConsuming = x.Average(y => y.Value.TimeConsuming * 1.0 / y.Value.Frequency)                }); foreach (var item in query)                {                    string key = item.Key;                    Int64 sumFrequency = item.Value.SumFrequency;                    double avgTimeConsuming = item.Value.AvgTimeConsuming;                }