优化发送邮件

ZR.Common/MailHelper.cs

@@ -30,7 +30,7 @@ namespace ZR.Common
         /// 是否使用SSL协议
         /// </summary>
         public bool UseSsl { get; set; } = false;
-        public string mailSign = @"";
+        public string mailSign = @"邮件来自C# 程序发送";
         private readonly MailOptions mailOptions = new();
 
         public MailHelper()
@@ -93,9 +93,10 @@ namespace ZR.Common
         /// 发送邮件
         /// </summary>
         /// <param name="toAddress"></param>
-        /// <param name="subject"></param>
+        /// <param name="subject">主题</param>
         /// <param name="text"></param>
         /// <param name="path">附件url地址</param>
+        /// <param name="html">网页HTML内容</param>
         private void SendMail(IEnumerable<MailboxAddress> toAddress, string subject, string text, string path = "", string html = "")
         {
             MimeMessage message = new MimeMessage();
@@ -131,39 +132,40 @@ namespace ZR.Common
             //附件
             if (!string.IsNullOrEmpty(path))
             {
-                MimePart attachment = new MimePart()
+                string[] files = path.Split(",");
+                foreach (var file in files)
                 {
-                    Content = new MimeContent(File.OpenRead(path), ContentEncoding.Default),
-                    //读取文件，只能用绝对路径
-                    ContentDisposition = new ContentDisposition(ContentDisposition.Attachment),
-                    ContentTransferEncoding = ContentEncoding.Base64,
-                    //文件名字
-                    FileName = Path.GetFileName(path)
-                };
-                alternative.Add(attachment);
+                    MimePart attachment = new()
+                    {
+                        Content = new MimeContent(File.OpenRead(file), ContentEncoding.Default),
+                        //读取文件，只能用绝对路径
+                        ContentDisposition = new ContentDisposition(ContentDisposition.Attachment),
+                        ContentTransferEncoding = ContentEncoding.Base64,
+                        //文件名字
+                        FileName = Path.GetFileName(path)
+                    };
+                    alternative.Add(attachment);
+                }
             }
             multipart.Add(alternative);
             //赋值邮件内容
             message.Body = multipart;
-            
+
             //开始发送
-            using (var client = new SmtpClient())
-            {
-                client.ServerCertificateValidationCallback = (s, c, h, e) => true;
-                
-                //Smtp服务器
-                //client.Connect("smtp.qq.com", 587, false);
-                client.Connect(Smtp, Port, true);
-                //登录，发送
-                //特别说明，对于服务器端的中文相应，Exception中有编码问题，显示乱码了
-                client.Authenticate(FromEmail, FromPwd);
+            using var client = new SmtpClient();
+            client.ServerCertificateValidationCallback = (s, c, h, e) => true;
 
-                client.Send(message);
-                //断开
-                client.Disconnect(true);
-                Console.WriteLine($"发送邮件成功{DateTime.Now}");
-            }
+            //Smtp服务器
+            //client.Connect("smtp.qq.com", 587, false);
+            client.Connect(Smtp, Port, true);
+            //登录，发送
+            //特别说明，对于服务器端的中文相应，Exception中有编码问题，显示乱码了
+            client.Authenticate(FromEmail, FromPwd);
+
+            client.Send(message);
+            //断开
+            client.Disconnect(true);
+            Console.WriteLine($"发送邮件成功{DateTime.Now}");
         }
-
     }
 }