using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Net.Mail; using System.Net; using System.IO; using System.Net.Mime; using System.Threading;
private void Form1_Load(object sender, EventArgs e) { comboBoxEx3.SelectedIndex = 0; txtMailFrom.SelectedIndex = 0; txtSmtpServer.SelectedIndex = 0; txtMailTo.SelectedIndex = 0; } //发送邮件 private void btnSend_Click(object sender, EventArgs e) { if (IsValid()) { if (MessageBox.Show("您确定要发送当前邮件吗?", "询问", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK) { string serverHost = "smtp." + txtSmtpServer.Text + comboBoxEx3.Text; //smtp 地址 int port = Int32.Parse(numericUpDown1.Value.ToString()); //smtp 密码 string mailFrom = txtMailFromEx.Text + "@" + txtMailFrom.Text; //发信人,必须是提供smtp服务的邮件服务器 string mailPwd = txtformPwd.Text; //密码 string displayName = txtDisplayName.Text; //显示名 string mailSubject = txtMailSubject.Text; //主题 string mailBody = txtMailBody.Text; //正文 string file = string.IsNullOrEmpty(txtPath.Text) ? null : txtPath.Text; int contactNum = dgvContact.Rows.Count - 1; //联系人数量 //循环给每个联系人发送指定数量的邮件 for (int i = 0; i < contactNum; i++) { string mailTo = dgvContact.Rows[i].Cells[0].Value.ToString(); //收件人 //发送指定数量的邮件 for (int j = 1; j <= Int32.Parse(txtNum.Text); j++) { try { EmailHelper.SendEmail(serverHost, port, mailFrom, mailPwd, displayName, mailTo, mailSubject, mailBody, file); } catch (Exception ex) { MessageBox.Show(ex.Message); } } } } } } //验证输入是否有误 private bool IsValid() { //检测附件大小 发件必需小于10M 否则返回 不会执行以下代码 if (txtPath.Text != "") { if (!EmailHelper.CheckAttachment(txtPath.Text.Trim())) { return false; } } if (txtSmtpServer.Text == "") { MessageBox.Show("请输入SMTP服务器名!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning); return false; } if (txtMailFromEx.Text == "") { MessageBox.Show("请输入发件人邮箱地址!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning); return false; } if (txtformPwd.Text == "") { MessageBox.Show("请输入发件人邮箱密码!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning); return false; } if (dgvContact.Rows.Count <= 1) { MessageBox.Show("请添加收件人!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning); return false; } return true; } //添加联系人 int i = 1; //拼接联系人描述字段,加入联系人框 private void btnAddContact_Click(object sender, EventArgs e) { string Contact = txtMailToEx.Text + "@" + txtMailTo.Text; for (int m = 0; m < dgvContact.Rows.Count - 1; m++) { if (dgvContact.Rows[m].Cells[0].Value.ToString().Equals(Contact)) { MessageBox.Show("已存在!"); return; } } string[] row1 = new string[] { Contact, "Contacter" + i }; dgvContact.Rows.Add(row1); i++; } //移除联系人 private void btnDelContact_Click(object sender, EventArgs e) { dgvContact.Rows.RemoveAt(dgvContact.Rows.Count - 2); i--; } //添加附件 private void btnAttachment_Click(object sender, EventArgs e) { if (openFileDialog1.ShowDialog() == DialogResult.OK) { txtPath.Text = openFileDialog1.FileName; } } // 发送邮件后所处理的函数 private static void SendCompletedCallback(object sender, AsyncCompletedEventArgs e) { try { if (e.Cancelled) { MessageBox.Show("发送已取消!"); } if (e.Error != null) { MessageBox.Show("邮件发送失败!" + " " + "技术信息: " + e.Error.ToString(), "错误", MessageBoxButtons.OK, MessageBoxIcon.Error); } else { MessageBox.Show("邮件成功发出!", "恭喜!", MessageBoxButtons.OK, MessageBoxIcon.Information); } } catch (Exception Ex) { MessageBox.Show("邮件发送失败!" + " " + "技术信息: " + Ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error); } }
2013-12-19 11:05:05