//反射        public static TOut TransReflection
     
      (TIn tIn)        {            TOut tOut = Activator.CreateInstance
      
       ();            var tInType = tIn.GetType();            foreach (var itemOut in tOut.GetType().GetProperties())            {                var itemIn = tInType.GetProperty(itemOut.Name); ;                if (itemIn != null)                {                    itemOut.SetValue(tOut, itemIn.GetValue(tIn,null),null);                }            }            return tOut;        }        //序列化        public static TOut TransJsonConvert
       
        (TIn tIn)        {                       return JsonConvert.DeserializeObject
        
         (JsonConvert.SerializeObject(tIn));        }
        
       
      
     

using System.Linq.Expressions; /// 
    /// 表达式树实现的深表复制    /// 
    /// 
         /// 
         public static class TransExp
     
          {        private static readonly Func
      
        cache = GetFunc();        private static Func
       
         GetFunc()        {            ParameterExpression parameterExpression = Expression.Parameter(typeof(TIn), "p");            List
        
          memberBindingList = new List
         
          ();            foreach (var item in typeof(TOut).GetProperties())            {                if (!item.CanWrite)                    continue;                MemberExpression property = Expression.Property(parameterExpression, typeof(TIn).GetProperty(item.Name));                MemberBinding memberBinding = Expression.Bind(item, property);                memberBindingList.Add(memberBinding);            }            MemberInitExpression memberInitExpression = Expression.MemberInit(Expression.New(typeof(TOut)), memberBindingList.ToArray());            Expression
          
           
            > lambda = Expression.Lambda
            
             
              >(memberInitExpression, new ParameterExpression[] { parameterExpression }); return lambda.Compile(); } public static TOut Trans(TIn tIn) { return cache(tIn); } }