using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Net;
using?System.Net.Mail;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;

namespace?FormsApp郵箱驗證
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;

????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
??????????
????????}?

????????public?string?yanzheng（）?//隨機驗證碼
????????{
????????????Random?r?=?new?Random（）;
????????????string?yuan?=?r.Next（10000?99999）.ToString（）;
????????????return?yuan;

????????}
???????
????????public?void?SendEmail（）?//郵件發(fā)送
????????{
????????????Helper.thanks?=?yanzheng（）;//隨機數(shù)（驗證碼）

????????????try
????????????{
????????????????MailMessage?msg?=?new?MailMessage（）;

????????????????msg.To.Add（textBox1.Text.Trim（））;//收件人地址

????????????????//msg.CC.Add（“cc@qq.com“）;//抄送人地址??
????????????????msg.From?=?new?MailAddress（“xxxxxxx“?“xxxxxx“）;//發(fā)件人郵箱，名稱??

????????????????msg.Subject?=?“xxx“;//郵件標題
????????????????msg.SubjectEncoding?=?Encoding.UTF8;//標題格式為UTF8??

????????????????msg.Body?=?string.Format（“歡迎您注冊【Rwd驗證系統(tǒng)】，你的驗證碼是{0}。\n請妥善保管好，5分鐘后失效！“?Helper.thanks）;//郵件內(nèi)容
????????????????msg.BodyEncoding?=?Encoding.UTF8;//內(nèi)容格式為UTF8??

????????????????SmtpClient?client?=?new?SmtpClient（）;

????????????????client.Host?=?“smtp.qq.com“;//SMTP服務器地址
????????????????client.Port?=?587;//SMTP端口，QQ郵箱填寫587??

????????????????client.EnableSsl?=?true;//啟用SSL加密??

????????????????client.Credentials?=?new?NetworkCredential（“xxxxxxx“?“xxxxxxxxxxx“）;//發(fā)件人郵箱賬號，密碼（此處為授權碼）??

????????????????client.Send（msg）;//發(fā)送郵件??
????????????????MessageBox.Show（“發(fā)送成功“?“系統(tǒng)提示“?MessageBoxButtons.OK?MessageBoxIcon.Question）;
????????????}
????????????catch?（Exception?ex）
????????????{
????????????????MessageBox.Show（ex.Message）;
????????????}

????????}

????????private?void?button1_Click（object?sender?EventArgs?e）//發(fā)送按鈕
????????{
????????????if?（!string.IsNullOrWhiteSpace（textBox1.Text））
????????????{
????????????????SendEmail（）;//發(fā)送郵箱
????????????}
????????????else
????????????{
????????????????MessageBox.Show（“郵箱不能為空！“）;
????????????}
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）//驗證按鈕
????????{
????????????string?ok?=?textBox2.Text.Trim（）;//文本驗證碼
????????????if?（!string.IsNullOrWhiteSpace（ok））
????????????{
????????????????if?（Helper.thanks?==?ok）
????????????????{
????????????????????MessageBox.Show（“驗證成功！“）;
????????????????}
????????????????else
????????????????{
????????????????????MessageBox.Show（“驗證碼錯誤！“）;
????????????????}
????????????}
????????????else
????????????{
????????????????MessageBox.Show（“驗證碼為空！“）;
????????????}
????????}

????????private?void?timer1_Tick（object?sender?EventArgs?e）
????????{
????????????Helper.thanks?=?yanzheng（）;//限制時間

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-08-21?15:04??郵箱驗證\
?????目錄???????????0??2020-08-21?14:45??郵箱驗證\FormsApp郵箱驗證\
?????目錄???????????0??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\.vs\
?????目錄???????????0??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\.vs\FormsApp郵箱驗證\
?????目錄???????????0??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\.vs\FormsApp郵箱驗證\v16\
?????文件???????39936??2020-08-21?14:46??郵箱驗證\FormsApp郵箱驗證\.vs\FormsApp郵箱驗證\v16\.suo
?????文件?????????186??2020-08-21?14:29??郵箱驗證\FormsApp郵箱驗證\App.config
?????文件????????5531??2020-08-21?14:30??郵箱驗證\FormsApp郵箱驗證\Form1.Designer.cs
?????文件????????3397??2020-08-21?14:45??郵箱驗證\FormsApp郵箱驗證\Form1.cs
?????文件???????31750??2020-08-21?14:30??郵箱驗證\FormsApp郵箱驗證\Form1.resx
?????文件????????4218??2020-08-21?14:29??郵箱驗證\FormsApp郵箱驗證\FormsApp郵箱驗證.csproj
?????文件????????1145??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\FormsApp郵箱驗證.sln
?????文件?????????208??2020-08-21?14:23??郵箱驗證\FormsApp郵箱驗證\Helper.cs
?????文件?????????532??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\Program.cs
?????目錄???????????0??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\Properties\
?????文件????????1332??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\Properties\AssemblyInfo.cs
?????文件????????2875??2020-08-21?14:29??郵箱驗證\FormsApp郵箱驗證\Properties\Resources.Designer.cs
?????文件????????5612??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\Properties\Resources.resx
?????文件????????1120??2020-08-21?14:29??郵箱驗證\FormsApp郵箱驗證\Properties\Settings.Designer.cs
?????文件?????????249??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\Properties\Settings.settings
?????目錄???????????0??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\bin\
?????目錄???????????0??2020-08-21?14:31??郵箱驗證\FormsApp郵箱驗證\bin\Debug\
?????文件???????46080??2020-08-21?14:46??郵箱驗證\FormsApp郵箱驗證\bin\Debug\FormsApp郵箱驗證.exe
?????文件?????????186??2020-08-21?14:29??郵箱驗證\FormsApp郵箱驗證\bin\Debug\FormsApp郵箱驗證.exe.config
?????文件???????34304??2020-08-21?14:46??郵箱驗證\FormsApp郵箱驗證\bin\Debug\FormsApp郵箱驗證.pdb
?????目錄???????????0??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\obj\
?????目錄???????????0??2020-08-21?14:46??郵箱驗證\FormsApp郵箱驗證\obj\Debug\
?????文件?????????208??2020-08-21?14:20??郵箱驗證\FormsApp郵箱驗證\obj\Debug\.NETframeworkVersion=v4.0.AssemblyAttributes.cs
?????文件?????????214??2020-08-21?14:15??郵箱驗證\FormsApp郵箱驗證\obj\Debug\.NETframeworkVersion=v4.7.2.AssemblyAttributes.cs
?????文件????????1739??2020-08-21?14:35??郵箱驗證\FormsApp郵箱驗證\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7224??2020-08-21?14:29??郵箱驗證\FormsApp郵箱驗證\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
............此處省略14個文件信息