C# 使用 Lotus notes 公共邮箱发送邮件

公司的邮件系统用的是反人类的 Lotus notes, 你敢信?

最近要实现一个功能,邮件提醒功能,就是通过自动发送提醒邮件

 前前后后这个问题搞了2天,由于公司的诸多条件限制,无法直接调用到公司发送邮件的接口,只有通过类似 Lotus script,VBA 等其他方式来实现。

用VBA代码实现发送邮件,其实我在n年前就实现过了

代码如下,网上一搜也一大堆

Function SendEmailbyNotesWithAttachement_2(Addresses, Attach, cc)
 
    strSubject = ThisWorkbook.Sheets("EMAIL").Range("B1")
    strbody = ThisWorkbook.Sheets("EMAIL").Range("A1")

    'Declare Variables
     Dim s As Object
     Dim db As Object
     Dim body As Object
     Dim bodyChild As Object
     Dim header As Object
     Dim stream As Object
     Dim host As String
     Dim message As Object
    
     ' Notes variables
     Set s = CreateObject("Notes.NotesSession")
     Set db = s.CURRENTDATABASE
     Set stream = s.CreateStream
    
     ' Turn off auto conversion to rtf
     s.ConvertMIME = False
    
     ' Create message
     Set message = db.CREATEDOCUMENT
     message.Form = "memo"
     message.Subject = strSubject
     message.sendTo = Split(Addresses, ";")
     message.CopyTo = cc
     message.SaveMessageOnSend = True
    
     ' Create the body to hold HTML and attachment
     Set body = message.CreateMIMEEntity
    
    'Child mime entity which is going to contain the HTML which we put in the stream
     Set bodyChild = body.CreateChildEntity()
     Call stream.WriteText(strbody)
     Call bodyChild.SetContentFromText(stream, "text/HTML;charset=UTF-8", ENC_NONE)
     Call stream.Close
     Call stream.Truncate
    
     ' This will run though an array of attachment paths and add them to the email
     For i = 0 To UBound(Attach)
        strAttach = Attach(i)
        If Len(strAttach) > 0 And Len(Dir(strAttach)) > 0 Then
            ' Get the attachment file name
            pos = InStrRev(strAttach, "\")
            Filename = Right(strAttach, Len(strAttach) - pos)
    
            'A new child mime entity to hold a file attachment
            Set bodyChild = body.CreateChildEntity()
            Set header = bodyChild.CreateHeader("Content-Type")
            Call header.SetHeaderVal("multipart/mixed")
    
            Set header = bodyChild.CreateHeader("Content-Disposition")
            Call header.SetHeaderVal("attachment; filename=" & Filename)
    
            Set header = bodyChild.CreateHeader("Content-ID")
            Call header.SetHeaderVal(Filename)
     
            Set stream = s.CreateStream()
            If Not stream.Open(strAttach, "binary") Then
                MsgBox "Open failed"
            End If
            If stream.Bytes = 0 Then
                MsgBox "File has no content"
            End If
    
            Call bodyChild.SetContentFromBytes(stream, "application/octet-stream", ENC_IDENTITY_BINARY) ' All my attachments are excel this would need changing depensding on your attachments.
        End If
     Next
    
     'Send the email
     Call message.Send(False)
    
     s.ConvertMIME = True ' Restore conversion

End Function
View Code VBA

 但是现实情况是这样的

我们需要邮件从公邮发送出去

何谓公邮:整个Team使用的邮箱,如***admin@email.com 之类的邮箱

使用过反人类的 Lotus notes 都知道公邮是需要先打开个人邮箱才能进去的 

于是当我把以上的VBA 代码增加如下代码,设置从公邮里面发送邮件后

     Server = "C***/****r/****"
     Path = "****\C*****.nsf"
     Set db = s.GetDataBase(Server, Path)
View Code

邮件确实是从公邮发送出来,但是很遗憾,邮件发送人那显示的是我的个人邮箱,而查看我个人的已发送邮件,是完全查不到,但是在公邮已发送邮件可以看到

这就无法理解了,于是开启了漫长的2天人类大战反人类Lotus notes战役

前前后后试过各种VBA代码【表问为什么不直接调接口】

但要不就是能显示为公邮发送的,但邮件 body 不能Html格式,否则就是相反,总之一句话:二者不可兼得

期间看遍国内外关于Lotus notes VBA的网站

最后,实在是忍不了了,开始搜索Python,C#

一直犹犹豫豫没有写是因为同事告诉我,比如使用C#就需要邮箱密码,而这个东西我们没有也不会有的

最后的最后,决定赌一把,我先用C#,直接写出来,等报错提示密码没有的时候我再想办法

于是战战兢兢有了以下代码

        /// <summary>
        /// 通过notes发送邮件
        /// </summary>
        /// <param name="mailTo">实时数据库</param>
        /// <returns></returns>
        public static void SendForNotes()
        {

            string notesPwd = "";
            string notesServer = "C***3/C***/***r/***C";
            string NotesDBName = @"M**l\C***to.nsf";
            string mailTo = "m****o@c**.***.com";
            string mailSubject = DateTime.Now.ToString();

            string mailBoby = "<html><body><table border='1'><tr><th>Month</th><th>Savings</th></tr><tr><td>January</td><td>$100</td></tr></table></body></html>";

            NotesSession ns;
            NotesDatabase db;
            NotesDocument doc;
            try
            {
                ns = new NotesSession();
                if (ns != null)
                {
                    //您本机notes的密码
                    ns.Initialize(notesPwd);
                    //初始化NotesDatabase
                    db = ns.GetDatabase(notesServer, NotesDBName, false);
                    doc = db.CreateDocument();
                    doc.ReplaceItemValue("Form", "Memo");
                    doc.ReplaceItemValue("SendTo", mailTo);
                    doc.ReplaceItemValue("Subject", mailSubject.Replace('\r', ' ').Replace('\n', ' '));
                    doc.AppendItemValue("Principal", "C******m");//设置邮件的发件人昵称
                    NotesRichTextItem rt = doc.CreateRichTextItem("Body");
                    var richStyle = ns.CreateRichTextStyle();
                    richStyle.PassThruHTML = 1;

                    rt.AppendStyle(richStyle);
                    rt.AppendText(mailBoby);
                    //发送邮件         
                    object obj = doc.GetItemValue("SendTo");
                    doc.Send(false, ref obj);
                    doc = null;
                }
            }
            catch (Exception ex)
            {
                //   Log.CreateLog(ex.Message);
            }
            finally
            {
                ns = null;
                db = null;
                doc = null;
            }
        }
View Code

抱着必死的心态小心翼翼的点击了调试

WTF!!!!

居然收到一封有邮件!没有密码啊!不需要密码吗!密码不用也能发送!!!

再试了一次后,发现真的不需要!!!

因为我们每天开机打开notes的时候也不需要输入密码!!!这可能是和本机的ID文件有绑定!!!在毕业后的第一家公司中是需要输入密码的!

于是欣喜若狂

开始修改代码

最终版本

        /// <summary>
        /// 通过notes发送邮件
        /// </summary>
        /// <param name="mailTo">实时数据库/lysh</param>
        /// <returns></returns>
        public static void SendForNotes2()
        {

            string notesPwd = "";
            string notesServer = "C****3/**/S***/****";
            string NotesDBName = @"****\******.nsf";
            string mailTo = "****t**@***.com";
            string mailSubject = DateTime.Now.ToString();

            string mailBoby = "<html><body><table border='1'><tr><th>Month</th><th>Savings</th></tr><tr><td>January</td><td>$100</td></tr></table></body></html>";

            NotesSession ns;
            NotesDatabase db;
            NotesDocument doc;
            try
            {
                ns = new NotesSession();
                if (ns != null)
                {
                    //您本机notes的密码
                    ns.Initialize(notesPwd);
                    //初始化NotesDatabase
                    db = ns.GetDatabase(notesServer, NotesDBName, false);
                    doc = db.CreateDocument();
                    doc.ReplaceItemValue("Form", "Memo");
                    doc.ReplaceItemValue("SendTo", mailTo);
                    doc.ReplaceItemValue("Subject", mailSubject.Replace('\r', ' ').Replace('\n', ' '));

                    doc.SaveMessageOnSend = true;

                    NotesStream HtmlBody = ns.CreateStream();
                    HtmlBody.WriteText(mailBoby);//构建HTML邮件,可以在头和尾添加公司的logo和系统提醒语
                    NotesMIMEEntity mine = doc.CreateMIMEEntity("Body");//构建邮件正文
                    mine.SetContentFromText(HtmlBody, "text/html;charset=UTF-8", Domino.MIME_ENCODING.ENC_IDENTITY_BINARY);

                    doc.AppendItemValue("Principal", "C**********am");//设置邮件的发件人昵称
                    //发送邮件         
                    object obj = doc.GetItemValue("SendTo");
                    doc.Send(false, ref obj);
                    doc = null;
                }
            }
            catch (Exception ex)
            {
                //   Log.CreateLog(ex.Message);
            }
            finally
            {
                ns = null;
                db = null;
                doc = null;
            }
        }    
View Code

期间还遇到

由于这句代码放置的位置不对,导致显示不正确

doc.AppendItemValue("Principal", "C**********am");//设置邮件的发件人昵称

 

最终突破的那一刻心情真的很爽,虽然到到现在仍然不知道不要密码的原因,但总归解决了困惑两天的问题,不敢独享

有时候就是听别人说,这条路走不通,就不走了

有时候就是听别人说,已经封装好了,直接调吧,就调了而不知如何实现

有时候就是抄作业,以为自己会了,于是真真用的时候就不知道了

 

年前终于开始不那么忙了,欠了那么多,该慢慢补回来了

 

posted @ 2018-02-14 14:01 Lionel Andrés Messi 阅读(...) 评论(...) 编辑 收藏