asp.net发送邮件带格式(本demo发送验证码)

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public ActionResult Mail(string email, string userName)
{
try
{
MailSender mail = new MailSender();
Random r = new Random();
int temp = r.Next(, );
Session["yzm"] = temp;
Session.Timeout = ;
HtmlDocument htmlDocument = new HtmlDocument();
htmlDocument.Load(Server.MapPath("/demo.html"));
//*[@id="userName"]
//*[@id="yzm"]
HtmlNode userName_Node = htmlDocument.DocumentNode.SelectSingleNode("//*[@id='userName']");
HtmlNode yzm = htmlDocument.DocumentNode.SelectSingleNode("//*[@id='yzm']");
userName_Node.InnerHtml = userName;
yzm.InnerHtml = temp.ToString();
string content = htmlDocument.DocumentNode.InnerHtml;
/// </summary>
/// <param name="from">发送人邮件地址</param>
/// <param name="fromname">发送人显示名称</param>
/// <param name="to">发送给谁（邮件地址）</param>
/// <param name="subject">标题</param>
/// <param name="body">内容</param>
/// <param name="username">邮件登录名</param>
/// <param name="password">邮件密码</param>
/// <param name="server">邮件服务器</param>
/// <param name="fujian">附件</param>
/// /// <returns>send ok</returns>
string returnValue = mail.SendMail(
"admin@haoidea.wang",
"X6系统管理员",
email,
"X6系统帐号找回密码",
content,
"admin@haoidea.wang",
"haoidea2016..",
"smtp.ym.163.com", "");
if (returnValue == "ok")
{
return Content(JsonConvert.SerializeObject(new
{
Code = ,
Status = "success"
}), "application/json");
}
else
{
return Content(JsonConvert.SerializeObject(new
{
Code = ,
Status = "fail"
}), "application/json");
}
}
catch (Exception e)
{ return Content(JsonConvert.SerializeObject(new
{
Code = ,
Status = e.Message
}), "application/json");
} }

using System;
using System.Text;
using System.Xml;
using System.Configuration;
using System.Web;
using System.IO;
using System.Net;
using System.Net.Mail;namespace DotNet.Utilities
{
public class MailSender
{ /// <summary> /// 发送邮件程序 /// </summary> /// <param name="from">发送人邮件地址</param> /// <param name="fromname">发送人显示名称</param> /// <param name="to">发送给谁（邮件地址）</param> /// <param name="subject">标题</param> /// <param name="body">内容</param> /// <param name="username">邮件登录名</param> /// <param name="password">邮件密码</param> /// <param name="server">邮件服务器</param> /// <param name="fujian">附件</param> /// <returns>send ok</returns> /// 调用方法 SendMail("abc@126.com", "某某人", "cba@126.com", "你好", "我测试下邮件", "邮箱登录名", "邮箱密码", "smtp.126.com", ""); public string SendMail(string from, string fromname, string to, string subject, string body, string username, string password, string server, string fujian)
{ try
{ //邮件发送类 MailMessage mail = new MailMessage(); //是谁发送的邮件 mail.From = new MailAddress(from, fromname); //发送给谁 mail.To.Add(to); //标题 mail.Subject = subject; //内容编码 mail.BodyEncoding = Encoding.Default; //发送优先级 mail.Priority = MailPriority.High; //邮件内容 mail.Body = body; //是否HTML形式发送 mail.IsBodyHtml = true; //附件 if (fujian.Length > )
{ mail.Attachments.Add(new Attachment(fujian)); } //邮件服务器和端口 SmtpClient smtp = new SmtpClient(server, ); smtp.UseDefaultCredentials = true; //指定发送方式 smtp.DeliveryMethod = SmtpDeliveryMethod.Network; //指定登录名和密码 smtp.Credentials = new System.Net.NetworkCredential(username, password); //超时时间 smtp.Timeout = ; smtp.Send(mail); return "ok"; } catch (Exception exp)
{ return exp.Message; } }
}
}

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<meta charset="utf-8" /></head>
<body>
<div class="qmbox qm_con_body_content qqmail_webmail_only" id="mailContentContainer" style="">
<style type="text/css">
.qmbox body {
margin: 0;
padding: 0;
background: #fff;
font-family: "Verdana, Arial, Helvetica, sans-serif";
font-size: 14px;
line-height: 24px;
} .qmbox div, .qmbox p, .qmbox span, .qmbox img {
margin: 0;
padding: 0;
} .qmbox img {
border: none;
} .qmbox .contaner {
margin: 0 auto;
} .qmbox .title {
margin: 0 auto;
background: url() #CCC repeat-x;
height: 30px;
text-align: center;
font-weight: bold;
padding-top: 12px;
font-size: 16px;
} .qmbox .content {
margin: 4px;
} .qmbox .biaoti {
padding: 6px;
color: #000;
} .qmbox .xtop, .qmbox .xbottom {
display: block;
font-size: 1px;
} .qmbox .xb1, .qmbox .xb2, .qmbox .xb3, .qmbox .xb4 {
display: block;
overflow: hidden;
} .qmbox .xb1, .qmbox .xb2, .qmbox .xb3 {
height: 1px;
} .qmbox .xb2, .qmbox .xb3, .qmbox .xb4 {
border-left: 1px solid #BCBCBC;
border-right: 1px solid #BCBCBC;
} .qmbox .xb1 {
margin: 0 5px;
background: #BCBCBC;
} .qmbox .xb2 {
margin: 0 3px;
border-width: 0 2px;
} .qmbox .xb3 {
margin: 0 2px;
} .qmbox .xb4 {
height: 2px;
margin: 0 1px;
} .qmbox .xboxcontent {
display: block;
border: 0 solid #BCBCBC;
border-width: 0 1px;
} .qmbox .line {
margin-top: 6px;
border-top: 1px dashed #B9B9B9;
padding: 4px;
} .qmbox .neirong {
padding: 6px;
color: #666666;
} .qmbox .foot {
padding: 6px;
color: #777;
} .qmbox .font_darkblue {
color: #006699;
font-weight: bold;
} .qmbox .font_lightblue {
color: #008BD1;
font-weight: bold;
} .qmbox .font_gray {
color: #888;
font-size: 12px;
}
</style>
<div class="contaner">
<div class="title">[X6] 密码重置</div>
<div class="content">
<p class="biaoti"><b>亲爱的用户，你好！</b></p>
<b class="xtop"><b class="xb1"></b><b class="xb2"></b><b class="xb3"></b><b class="xb4"></b></b>
<div class="xboxcontent">
<div class="neirong">
<p><b>请核对你的用户名：</b><span id="userName" class="font_darkblue">gaocongdehao</span></p>
<p><b>重置密码的验证码：</b><span class="font_lightblue"><span id="yzm" data="450794" onclick="return false;" t="7" style="border-bottom: 1px dashed rgb(204, 204, 204); z-index: 1; position: static;">450794</span></span><br><span class="font_gray">(请输入该验证码完成密码找回，验证码30分钟内有效！)</span></p>
<div class="line">如果你未申请重置密码服务，请忽略该邮件。</div>
</div>
</div>
<b class="xbottom"><b class="xb4"></b><b class="xb3"></b><b class="xb2"></b><b class="xb1"></b></b>
<p class="foot">如果仍有问题，请拨打我们的会员服务专线: <span data="800-820-5100" onclick="return false;" t="7" style="border-bottom: 1px dashed rgb(204, 204, 204); z-index: 1; position: static;">021-51875288
</span></p>
</div>
</div>
<style type="text/css">
.qmbox style, .qmbox script, .qmbox head, .qmbox link, .qmbox meta {
display: none !important;
}
</style>
</div>
</body>
</html>