c#合并字典

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 合并字典
{
    class Program
    {
        static void Main(string[] args)
        {
            Dictionary<int, string> dicA = new Dictionary<int, string> {
                {1,"Jack"},
                {2,"Loocy"},
                {3,"Kitty"}};

            Dictionary<int, string> dicB = new Dictionary<int, string> {
                {4,"Lancy"},
                {5,"Kanbory"},
                {6,"Mistake"}};

            //都行
            //Dictionary<int, string> items2 = dicA.Concat(dicB).ToDictionary(k => k.Key, v => v.Value);
            Dictionary<int, string> items2 = dicA.Union(dicB).ToDictionary(k => k.Key, v => v.Value);

            foreach (var item in items2)
            {
                Console.WriteLine("[{0}]: {1}", item.Key, item.Value);
            }
        }
    }
}