Walkthrough: 应用EventHandle开发的一个发邮件的小项目
项目背景：Exchange的邮件服务器，设定了所有的用户均不能发送外部邮件项目目的：建一个列表，由用户提交数据，填写：“收件人地址”、“邮件内容”、“标题”、附件，然后利用MOSS自带的审批流程来批准邮件的发出。具体代码如下：public override void ItemUpdated(SPItemEventProperties properties)
{
//获取触发事件的列表项
SPSite site = new SPSite(properties.SiteId);
SPWeb web = site.OpenWeb(properties.OpenWeb().ID);
SPList list = web.Lists[properties.ListId];
SPListItem item = list.Items.GetItemById(properties.ListItemId);
//获取列表项的创建者
string strUserValue = Convert.ToString(item["Author"]);
int intIndex = strUserValue.IndexOf(';');
int intID = Int32.Parse(strUserValue.Substring(0, intIndex));
SPUser muser = web.SiteUsers.GetByID(intID);
//获取审批信息
SPModerationInformation myMI = item.ModerationInformation;
string getstate = myMI.Status.ToString();
if (getstate == "Approved")
{
//设置发邮件的组件
MailMessage mail = new MailMessage("infozh@fzh.com", Convert.ToString(item["收件人地址"]));
mail.SubjectEncoding = Encoding.UTF8;
//邮件主题
mail.Subject = Convert.ToString(item["标题"]);
mail.IsBodyHtml = false; //是否允许内容为 HTML 格式
mail.BodyEncoding = Encoding.UTF8;
//邮件内容
mail.Body = Convert.ToString(item["邮件内容"]);
//邮件的回复地址，用户不能发但能收
mail.ReplyTo = new MailAddress(muser.Email, muser.Name);
mail.From = new MailAddress("infozh@fzh.com", muser.Email);//to和cc需要用Add方法添加Email地址
//添加附件
for (int i = 0; i < item.Attachments.Count; i++)
{
string strPath = item.Attachments.UrlPrefix + item.Attachments[i].ToString(); //要发送附件的网址
string strFileName = strPath.Substring(strPath.LastIndexOf("/") + 1); ; //文件名
WebClient wc = new WebClient();
MemoryStream m = new MemoryStream();
wc.UseDefaultCredentials = true;
byte[] fs = wc.DownloadData(strPath);
m = new MemoryStream(fs); //将文件抓取下来,存于内存中.
Attachment ma = new Attachment(m, strFileName);
mail.Attachments.Add(ma);
}
//设置验证信息
SmtpClient smtp = new SmtpClient("mailserver");
smtp.Credentials = new NetworkCredential("username", "password"); //SMTP 验证
smtp.Send(mail);
mail.Attachments.Dispose(); //邮件发送完毕，释放对附件的锁定
sentinform(mail.Subject, muser.Email, Convert.ToString(item["收件人地址"]));
}
}
//发送通知邮件
void sentinform(string substr,string soueml,string tareml)
{
MailMessage sentok = new MailMessage("moss@fzh.com", soueml);
sentok.SubjectEncoding = Encoding.UTF8;
sentok.Subject = "ANN：您提交的发送外网邮件已发送成功";
sentok.Body = "已发送的邮件主题是：" + substr + " 收件人地址是：" + tareml;
SmtpClient smtp1 = new SmtpClient("mailserver");
smtp1.Credentials = new NetworkCredential("username", "password"); //SMTP 验证
smtp1.Send(sentok);
}今天发现了新的方法就是在web.config中设置SMTP服务器的验证信息，这样就不用为每个SmtpClient对象设置验证信息了设置实例如下： <system.net> <mailSettings> <smtp from="test@foo.com"> <network host="smtpserver1" port="25" userName="username" password="secret" defaultCredentials="true" /> </smtp> </mailSettings> </system.net>
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