JumboTCMS_src/JumboTCMS.Utils/Mail.cs

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using System;
using System.Text;
using System.Web;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Collections;

namespace JumboTCMS.Utils.Mail
{
    public enum MailFormat { Text, HTML };
    public enum MailPriority { Low = 1, Normal = 3, High = 5 };
    public class MailAttachments
    {
        private const int MaxAttachmentNum = 10;
        private IList _Attachments;

        public MailAttachments()
        {
            _Attachments = new ArrayList();
        }

        public string this[int index]
        {
            get { return (string)_Attachments[index]; }
        }
        /// <summary>
        /// 添加邮件附件
        /// </summary>
        /// <param name="FilePath">附件的绝对路径</param>
        public void Add(params string[] filePath)
        {
            if (filePath == null)
            {
                throw (new ArgumentNullException("非法的附件"));
            }
            else
            {
                for (int i = 0; i < filePath.Length; i++)
                {
                    Add(filePath[i]);
                }
            }
        }

        /// <summary>
        /// 添加一个附件,当指定的附件不存在时，忽略该附件，不产生异常。
        /// </summary>
        /// <param name="filePath">附件的绝对路径</param>
        public void Add(string filePath)
        {
            //当附件存在时才加入,否则忽略
            if (System.IO.File.Exists(filePath))
            {
                if (_Attachments.Count < MaxAttachmentNum)
                {
                    _Attachments.Add(filePath);
                }
            }
        }