C# 对象和集合的初始化器

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

namespace ConsoleApplication16
{
    /// <summary>
    /// 商品类
    /// </summary>
    public class Product
    {
        /// <summary>
        /// 商品编号
        /// </summary>
        public int ProductID { get; set; }
        /// <summary>
        /// 商品名称
        /// </summary>
        public string Name { get; set; }
        /// <summary>
        /// 商品描述
        /// </summary>
        public string Description { get; set; }
        /// <summary>
        /// 商品价格
        /// </summary>
        public decimal Price { get; set; }
        /// <summary>
        /// 商品分类
        /// </summary>
        public string Category { set; get; }
    }
    class Program
    {
        static void Main(string[] args)
        {
            //对象初始化器的使用 （可只给部分字段赋值）
            Product product = new Product { ProductID = 1234, Name = "西瓜", Price = 2.3M };//创建并初始化一个实例

            //集合初始化器的使用
            List<Product> proList = new List<Product> {
                new Product { ProductID = 1234, Name = "西瓜", Price = 2.3M },
                new Product { ProductID = 2345, Name = "苹果", Price = 5.9M  },
                new Product { ProductID = 3456, Name = "樱桃", Price = 4.6M }
            };

            //打印
            Console.WriteLine("对象初始化器：{0} {1} {2}", product.ProductID, product.Name, product.Price);
            foreach (Product p in proList)
            {
                Console.WriteLine("集合初始化器：{0} {1} {2}", p.ProductID, p.Name, p.Price);
            }
            Console.ReadKey();
            /*
            另外还有一些其它类型也可以使用初始化器，如下：
            //数组使用初始化器
             string[] fruitArray = {"apple","orange","plum" };
             //匿名类型使用初始化器
             var books = new { Title = "ASP.NET MVC 入门", Author = "小王", Price = 20 };
            //字典类型使用初始化器
             Dictionary<string, int> fruitDic = new Dictionary<string, int>() { 
               { "apple", 10 },
                { "orange", 20 },
              { "plum", 30 }
             };
            */
        }
    }
}