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

namespace TSA_V.LoadCSVLibrary
{
    //这里利用AttributeUsage 来设置我们的自定义属性的应用范围,这里定义的可以用于类，结构和方法的声明
    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = true)]
    public class CSVAttribute : Attribute
    {
        public CSVAttribute(string fieldName,string filedName1, bool IsMust)
        {
            this.IsMustHave = IsMust;
            FieldName = fieldName;
            FiledNames = new string[] { filedName1 };
        }
        public CSVAttribute(string fieldName,  bool IsMust= false,params string[] filedNames)
        {
            this.IsMustHave = IsMust;
            FieldName = fieldName;
            this.FiledNames = filedNames; 
        } 
        //public CSVAttribute(string fieldName)
        //{
        //    FieldName = fieldName;
        //}
        public string[] FiledNames { get; set; }

        public string FieldName { get; set; } 
        public bool IsMustHave { get; set; }

    }
}