DemoMailKit/DemoMailKit/MyMailKit/Controllers/MailControll...

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
using MyMailKit.Models.Dtos;
using Utility;
using Utility.Mail;

// For more information on enabling Web API for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860

namespace MyMailKit.Controllers
{

    [Route("mailapi/Mail/[action]")]
    public class MailController : Controller
    {
        private readonly MailConfig mailConfig;
        public MailController(IOptions<MailConfig> configClassAccesser)
        {
            mailConfig = configClassAccesser.Value;
        }

        [HttpPost]
        public async Task<string> SendMail(MailDto dto)
        {
            List<string> fileNameList = new List<string>();
            List<Stream> streamList = new List<Stream>();
            var files = Request.Form.Files;
            foreach (var item in files)
            {
                var fileName = item.FileName;
                var memoryStream = new MemoryStream();
                await item.CopyToAsync(memoryStream);
                streamList.Add(memoryStream);
                fileNameList.Add(fileName);
            }


            var flag = MailUtil.SendMail(mailConfig, dto.AddressList, dto.Title, dto.Content, streamList, fileNameList).Result;
            if (flag)
                return "发送成功！";
            return "发送失败";
        }

    }
}