添加项目文件。
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SpecialX
12
EmailLib/EmailConfiguration.cs
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12
EmailLib/EmailConfiguration.cs
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namespace TechHelper.Features
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{
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public static class EmailConfiguration
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{
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public static string EmailFrom { get; set; } = "1468441589@qq.com";
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public static string Password { get; set; } = "pfxhtoztjimtbahc";
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public static string SubDescribe { get; set; } = "这是你的验证凭证";
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public static string SmtpHost { get; set; } = "smtp.qq.com";
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public static int SmtpPort { get; set; } = 587;
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}
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}
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13
EmailLib/EmailLib.csproj
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13
EmailLib/EmailLib.csproj
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="MailKit" Version="4.12.1" />
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</ItemGroup>
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</Project>
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109
EmailLib/EmailTemap.cs
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109
EmailLib/EmailTemap.cs
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namespace Email
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{
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public class EmailTemap
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{
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public static string _email = @"
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset=""utf-8"" />
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<title>{{AppName}} - Verification Code</title>
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<style>
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/* 基本的样式重置和通用样式 */
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body {
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font-family: -apple-system, BlinkMacSystemFont, ""Segoe UI"", Roboto, Helvetica, Arial, sans-serif, ""Apple Color Emoji"", ""Segoe UI Emoji"", ""Segoe UI Symbol"";
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line-height: 1.6;
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color: #333;
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margin: 0;
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padding: 20px;
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background-color: #f4f4f4; /* 轻微的背景色 */
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}
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.container {
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max-width: 600px; /* 内容最大宽度 */
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margin: 20px auto; /* 居中 */
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background-color: #fff; /* 白色背景 */
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padding: 30px; /* 内边距 */
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border-radius: 8px; /* 圆角 */
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box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); /* 轻微阴影 */
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}
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.header {
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text-align: center; /* 头部居中 */
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margin-bottom: 30px; /* 底部外边距 */
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border-bottom: 1px solid #eee; /* 底部细线 */
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padding-bottom: 20px; /* 底部内边距 */
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}
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.header h1 { /* 修正了 h1 和 { 之间的空格 */
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color: #007bff; /* 主题色，例如蓝色 */
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font-size: 24px;
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margin: 0;
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}
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.code-box {
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text-align: center; /* 验证码框内容居中 */
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margin: 30px 0; /* 上下外边距 */
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padding: 20px; /* 内边距 */
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background-color: #e9e9e9; /* 浅灰色背景 */
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border: 1px dashed #ccc; /* 虚线边框 */
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border-radius: 4px; /* 圆角 */
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overflow: auto; /* 防止代码过长溢出 */
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}
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.verification-code {
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font-size: 28px; /* 验证码字体大小 */
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font-weight: bold; /* 加粗 */
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color: #333; /* 深灰色 */
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letter-spacing: 5px; /* 字母间距 */
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word-break: break-all; /* 防止长代码换行问题 */
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display: block; /* 独占一行 */
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}
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.instructions {
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margin-bottom: 20px; /* 底部外边距 */
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}
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.warning {
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color: #dc3545; /* 警告色，例如红色 */
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font-weight: bold; /* 加粗 */
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margin-bottom: 20px; /* 底部外边距 */
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}
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.footer {
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text-align: center; /* 底部居中 */
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margin-top: 30px; /* 顶部外边距 */
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font-size: 12px; /* 字体大小 */
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color: #888; /* 灰色 */
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border-top: 1px solid #eee; /* 顶部细线 */
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padding-top: 20px; /* 顶部内边距 */
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}
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.footer p { /* 修正了 p 和 { 之间的空格 */
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margin: 5px 0;
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}
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</style>
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</head>
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<body>
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<div class=""container"">
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<div class=""header"">
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<h1>您的验证码</h1>
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</div>
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<p>您好,</p>
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<div class=""instructions"">
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<p>您收到这封邮件是因为您请求验证您在 <strong>{{AppName}}</strong> 的邮箱地址。</p>
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<p>请使用以下验证码完成操作：</p>
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</div>
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<div class=""code-box"">
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<span class=""verification-code"">{{VerificationCode}}</span>
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</div>
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<p class=""instructions"">请在应用程序或网站中输入此验证码。</p>
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<p class=""warning"">为了您的账户安全，请勿将此验证码透露给任何人。</p>
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<p class=""instructions"">此验证码在 {{ExpirationMinutes}} 分钟内有效。</p>
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<p>如果您没有进行此操作，请忽略本邮件。</p>
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<div class=""footer"">
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<p>这是一封自动发送的邮件，请勿直接回复。</p>
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<p>© {{AppName}}</p>
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<p>支持: <a href=""mailto:{{SupportEmail}}"">Tech Helper</a></p>
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</div>
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</div>
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</body>
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</html>";
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}
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}
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18
EmailLib/IEmailSender.cs
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18
EmailLib/IEmailSender.cs
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namespace TechHelper.Features
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{
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public interface IEmailSender
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{
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/// <summary>
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/// 使用 MailKit 通过邮箱发送邮件
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/// </summary>
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/// <param name="toEmail">收件人邮箱地址</param>
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/// <param name="subject">邮件主题</param>
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/// <param name="body">邮件正文 (支持 HTML)</param>
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/// <returns></returns>
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public Task SendEmailAsync(string toEmail,string subject, string body);
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public Task SendEmailAsync(string toEmail, string body);
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public Task SendEmailAuthcodeAsync(string toEmail, string authCode);
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}
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}
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79
EmailLib/QEmailSender.cs
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79
EmailLib/QEmailSender.cs
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using MailKit.Net.Smtp;
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using MailKit.Security;
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using MimeKit;
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using Email;
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using System.Text;
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namespace TechHelper.Features
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{
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public class QEmailSender : IEmailSender
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{
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public async Task SendEmailAsync(string toEmail, string subject, string body)
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{
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var secureSocketOption = SecureSocketOptions.StartTls;
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try
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{
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var message = new MimeMessage();
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message.From.Add(new MailboxAddress("TechHelper", EmailConfiguration.EmailFrom));
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message.To.Add(new MailboxAddress("", toEmail));
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message.Subject = subject;
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message.Body = new TextPart(MimeKit.Text.TextFormat.Html)
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{
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Text = body
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};
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using (var client = new SmtpClient())
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{
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await client.ConnectAsync(EmailConfiguration.SmtpHost, EmailConfiguration.SmtpPort, secureSocketOption);
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// 移除 XOAUTH2 认证机制，避免某些环境下出现异常
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// 如果不加这行，某些情况下可能会遇到 MailKit.Security.AuthenticationException: XOAUTH2 is not supported
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client.AuthenticationMechanisms.Remove("XOAUTH2");
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await client.AuthenticateAsync(EmailConfiguration.EmailFrom, EmailConfiguration.Password);
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await client.SendAsync(message);
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await client.DisconnectAsync(true);
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}
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Console.WriteLine("邮件发送成功 (QQ 邮箱)！");
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}
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catch (TypeInitializationException ex)
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{
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Console.WriteLine("捕获到 SmtpClient 的 TypeInitializationException！");
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Console.WriteLine($"异常消息: {ex.Message}");
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Exception? inner = ex.InnerException; // 获取第一层内部异常
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int innerCount = 1;
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while (inner != null)
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{
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Console.WriteLine($"--> 内部异常 {innerCount}: {inner.GetType().Name}");
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Console.WriteLine($"--> 内部异常消息: {inner.Message}");
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inner = inner.InnerException; // 获取下一层内部异常
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innerCount++;
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"捕获到其他类型的异常: {ex.GetType().Name}");
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Console.WriteLine($"异常消息: {ex.Message}");
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}
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}
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public async Task SendEmailAsync(string toEmail , string body)
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{
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await SendEmailAsync(toEmail, EmailConfiguration.SubDescribe, body);
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}
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public async Task SendEmailAuthcodeAsync(string toEmail, string authCode)
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{
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string htmlTemplateString = EmailTemap._email;
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string htmlBody = htmlTemplateString
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.Replace("{{AppName}}", "TechHelper")
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.Replace("{{VerificationCode}}", authCode)
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.Replace("{{ExpirationMinutes}}", "30")
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.Replace("{{SupportEmail}}", "TechHelper");
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await SendEmailAsync(toEmail, htmlBody);
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}
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}
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}
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