引言
经常会参与组织一些社区活动，涉及到和不同的人进行交流，微信当然是必须的，同样邮件也是一种不可或缺的方式。
一般群发的邮件不是很友好，如果是一对一的，收到邮件的人是不是会比较重视，而且还有他的名字在里面。
所以抽点时间写了一个工具，使用C#做个发邮件的工具非常简单。
完整代码
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class Program
{
private static string baseDir = "";
private static string email = "";
static void Main(string[] args)
{
Console.WriteLine("--- 开始执行 --- ");
baseDir = AppDomain.CurrentDomain.SetupInformation.ApplicationBase;
email = ConfigurationManager.AppSettings["email"];
var date = DateTime.Now.ToString("yyyy-MM-dd");
FileStream fs = new FileStream($"{baseDir}\\[Log]{date}.txt", FileMode.Create);
StreamWriter sw = new StreamWriter(fs);
sw.WriteLine("===== 发送日志 =====");
List<Contact> contacts = GetContacts();
var smtpClient = GetSmtpClient();
foreach (var contact in contacts)
{
SendMail(smtpClient, contact, sw);
}
sw.WriteLine("===== 执行完成 =====");
sw.Flush();
sw.Close();
fs.Close();
Console.WriteLine("--- 执行完成 --- ");
Console.ReadLine();
}
private static SmtpClient GetSmtpClient()
{
string server = ConfigurationManager.AppSettings["server"];
string port = ConfigurationManager.AppSettings["port"];
string password = ConfigurationManager.AppSettings["password"];
SmtpClient smtpClient = new SmtpClient();
smtpClient.Host = server;
smtpClient.Port = Convert.ToInt32(port);
smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
smtpClient.EnableSsl = true;
smtpClient.Credentials = new NetworkCredential(email, password);
return smtpClient;
}
private static void SendMail(SmtpClient smtpClient, Contact contact, StreamWriter sw)
{
try
{
var mailMessage = GetMailMessage(contact);
smtpClient.Send(mailMessage);
Console.WriteLine($" --- 发送成功, Email = {contact.Email} --- ");
sw.WriteLine($" --- 发送成功, Email = {contact.Email} --- ");
}
catch (Exception ex)
{
Console.WriteLine($" === 发送失败, Email = {contact.Email} === ");
sw.WriteLine($" === 发送失败, Email = {contact.Email} === ");
}
}
private static MailMessage GetMailMessage(Contact contact)
{
string subject = ConfigurationManager.AppSettings["subject"];
string introduce = ConfigurationManager.AppSettings["introduce"];
string link = ConfigurationManager.AppSettings["link"];
string content = "<p style=\"font - size:16px\">Dear " + contact.Name + " , </p> " +
"<p style=\"font - size:16px\">" + introduce + "</p>"+
"<p style=\"font - size:16px\">报名链接：<a target=\"_blank\" href=\"" + link + "\">"+ link + "</a></p>"
+ GetContent();
MailMessage mailMessage = new MailMessage(email, contact.Email);
mailMessage.Subject = subject;
mailMessage.Body = content;
mailMessage.BodyEncoding = Encoding.UTF8;
mailMessage.IsBodyHtml = true;
mailMessage.Priority = MailPriority.Normal;
return mailMessage;
}
private static string GetContent()
{
var dir = baseDir + "\\content.txt";
StreamReader sr = new StreamReader(dir, Encoding.UTF8);
string content = sr.ReadToEnd();
sr.Close();
return content;
}
private static List<Contact> GetContacts()
{
List<Contact> contacts = new List<Contact>();
var dir = baseDir + "\\contacts.txt";
StreamReader sr = new StreamReader(dir, Encoding.UTF8);
string line;
while ((line = sr.ReadLine()) != null)
{
line = line.Replace("，", ",");
var contact = line.Split(new[] {","}, StringSplitOptions.RemoveEmptyEntries);
if (contact.Length == 2 && !string.IsNullOrEmpty(contact[0]) && !string.IsNullOrEmpty(contact[1]))
{
contacts.Add(new Contact() {Name = contact[0], Email = contact[1]});
}
}
sr.Close();
return contacts;
}
public class Contact
{
public string Name { get; set; }
public string Email { get; set; }
}
}
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app.config
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<appSettings>
<add key="server" value="smtp.live.com" />
<add key="port" value="25" />
<add key="email" value="***@hotmail.com" />
<add key="password" value="" />
<add key="subject" value="敏捷个人北京2016年6月活动：玩转生涯狂想曲" />
<add key="introduce" value="欢迎参加敏捷个人北京2016年6月活动：玩转生涯狂想曲活动!" />
</appSettings>
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注意
1）读取app.config的配置信息
2）读取程序根目录下的联系人文件：contacts.txt
--------------------------------
测试1,***@gmail.com
测试2,***@qq.com
测试3,***@163.com
--------------------------------
3）读取程序根目录下的内容文件，包含Html代码：content.txt
发送结果截图
1）控制台输出日志
2）收到邮件内容，dear **