C# 邮件发送帮助类

引用

using Microsoft.Extensions.Configuration;
using System;
using System.Collections.Generic;
using System.Net.Mail;
using System.Text;
using System.Threading.Tasks;
using Wzdq.DataTransitService.Email;
using Wzdq.DataTransitService.Extention;

代码

/// <summary>/// 邮箱帮助类/// </summary>public class EmailHelp{private readonly IConfiguration configuration;//邮箱账号private readonly string _from = string.Empty;//邮箱名private readonly string _fromName = string.Empty;//smtp服务器IPprivate readonly string _smtp = string.Empty;//服务器端口private readonly int _port = 0;//密码private readonly string _pwd = string.Empty;/// <summary>/// 构造函数/// </summary>public EmailHelp(){configuration = ConfigUtil.Configuration;_from = configuration["Smtp:From"];if (_from.IsNullOrEmpty()){throw new ArgumentException($"{nameof(_from)} must have a value");}_fromName = configuration["Smtp:Fromname"];if (_fromName.IsNullOrEmpty()){throw new ArgumentException($"{nameof(_fromName)} must have a value");}_smtp = configuration["Smtp:Ip"];if (_smtp.IsNullOrEmpty()){throw new ArgumentException($"{nameof(_smtp)} must have a value");}_port = configuration["Smtp:Port"].ToInt();_pwd = configuration["Smtp:Passwd"];if (_pwd.IsNullOrEmpty()){throw new ArgumentException($"{nameof(_pwd)} must have a value");}}/// <summary>/// 发送邮件/// </summary>/// <param name="emailMessage"></param>/// <returns></returns>public async Task<Tuple<bool,string>> SendMail(EmailMessage emailMessage){if (emailMessage is null){throw new ArgumentNullException(nameof(emailMessage));}if (emailMessage.ToSend == null || emailMessage.ToSend.Length == 0){throw new ArgumentNullException(nameof(emailMessage.ToSend));}try{System.Net.Mail.MailMessage myMail = new System.Net.Mail.MailMessage();myMail.From = new System.Net.Mail.MailAddress(_from, _fromName, System.Text.Encoding.UTF8); //发件人邮箱，发件人名称，编码格式for (int i = 0; i < emailMessage.ToSend.Length; i++){myMail.To.Add(new System.Net.Mail.MailAddress(emailMessage.ToSend[i]));//循环添加所有收件人邮箱地址}if (emailMessage.CCSend != null){for (int i = 0; i < emailMessage.CCSend.Length; i++){myMail.CC.Add(new System.Net.Mail.MailAddress(emailMessage.CCSend[i]));}}myMail.Subject = emailMessage.G_EmailSubject;myMail.SubjectEncoding = Encoding.UTF8;myMail.Body = emailMessage.G_EmailBody;myMail.BodyEncoding = Encoding.UTF8;myMail.Priority = MailPriority.High;//优先级设置为高myMail.IsBodyHtml = true;//是否html格式if (emailMessage.FilesSend != null){for (int i = 0; i < emailMessage.FilesSend.Length; i++){myMail.Attachments.Add(new Attachment(emailMessage.FilesSend[i]));}}SmtpClient smtp = new(){Host = _smtp,Port = _port,//发送邮件的端口号 一般为25EnableSsl = true,UseDefaultCredentials = false,//一定要写在下面这句的前面Credentials = new System.Net.NetworkCredential(_from, _pwd),//如果发件人邮箱开启了smtp,密码则输入邮箱客户端授权码DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network};await smtp.SendMailAsync(myMail);//发送}catch (Exception e){return new Tuple<bool, string>(false, e.Message);}return new Tuple<bool, string>(true, string.Empty);}}
public class EmailMessage{/// <summary>/// 收件人/// </summary>public string G_EmailTo { get; set; }/// <summary>/// 收件人/// </summary>public string[] ToSend{get{if (string.IsNullOrEmpty(G_EmailTo)){return null;}else{return G_EmailTo.Split("*");}}set { }}/// <summary>/// 抄送人/// </summary>public string G_EmailCC { get; set; }/// <summary>/// 抄送人/// </summary>public string[] CCSend{get{if (string.IsNullOrEmpty(G_EmailCC)){return null;}else{return G_EmailCC.Split("*");}}set { }}/// <summary>/// 主题/// </summary>public string G_EmailSubject { get; set; }/// <summary>/// 内容/// </summary>public string G_EmailBody { get; set; }/// <summary>/// 文件绝对路径/// </summary>public string G_EmailFiles { get; set; }/// <summary>/// 文件绝对路径/// </summary>public string[] FilesSend{get{if (string.IsNullOrEmpty(G_EmailFiles)){return null;}else{return G_EmailFiles.Split("*");}}set { }}}

配置帮助类

public static class ConfigUtil{private static IConfiguration _config;public static IServiceProvider ServiceProvider { get; set; }/// <summary>/// /// </summary>public static IConfiguration Configuration{get{if (_config != null) return _config;_config = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory()).Add(new JsonConfigurationSource{Path = "appsettings.json",ReloadOnChange = true}).Build();return _config;}set => _config = value;}/// <summary>///     Gets a configuration sub-section with the specified key./// </summary>/// <param name="key">The key of the configuration section.</param>/// <returns>The <see cref="T:Microsoft.Extensions.Configuration.IConfigurationSection" />.</returns>/// <remarks>///     This method will never return <c>null</c>. If no matching sub-section is found with the specified key,///     an empty <see cref="T:Microsoft.Extensions.Configuration.IConfigurationSection" /> will be returned./// </remarks>public static IConfigurationSection GetSection(string key){return Configuration?.GetSection(key);}/// <summary>/// /// </summary>/// <param name="name"></param>/// <returns></returns>public static string GetConnectionString(string name){return Configuration.GetConnectionString(name);}/// <summary>///     Gets the immediate descendant configuration sub-sections./// </summary>/// <returns>The configuration sub-sections.</returns>public static IEnumerable<IConfigurationSection> GetChildren(){return Configuration?.GetChildren();}}

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C# 邮件发送帮助类

引用

代码

配置帮助类

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