static string MyLog(params Expression<Func<object>>[] args)
        {
            StringBuilder sb = new StringBuilder();
            foreach (var p in args)
            {
                if (p == null)
                    continue;
                var value = p as System.Linq.Expressions.LambdaExpression;
                var b = value?.Body as MemberExpression;
                if (b != null)
                {
                    var tmp = b.Expression as ConstantExpression;
                    sb.Append($"{b.Member.Name} {p.Compile()()};\t");
                }
                else
                {
                    var c = value?.Body as UnaryExpression;
                    if(c!=null && c.NodeType == ExpressionType.Convert)
                    {
                        sb.Append($"{(c.Operand as MemberExpression)?.Member.Name} {p.Compile()()};\t");
                    }
                }
            }
            return sb.ToString();
        }
 static void Test(string s, int i, object obj)
        {
            var st = "sdfsdfgsdfg";
            var str = MyLog(() => s, () => i, () => obj, () => st);
            Console.WriteLine(str);
        }
 static void Main(string[] args)
        {
            Test("wertwert", 12342134, null);
            Console.ReadLine();
        }