C# - 特性获取

using System;
using System.Reflection;
 
namespace CustomAttributes
{
    class Program
    {
        static void Main(string[] args)
        {
            //1.获取类的特性
            Type type = typeof(T);
            //1.1判断是否存在特性
            if (type.IsDefined(typeof(ColumnAttribute)))
            {
                //1.2获取特性的值
                TableAttribute attr = type.GetCustomAttribute();
                Console.WriteLine(attr.Name);
            }
 
            //2.获取类属性的特性
            PropertyInfo[] properties = type.GetProperties();
            foreach (var item in properties)
            {
                var attr= item.GetCustomAttribute();
                if (attr!= null)
                {
                    Console.WriteLine(item.Name);
                    Console.WriteLine(attr.Name);
                }
            }
        }
    }
}