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;
服务引用
private void Form1_Load(object sender, EventArgs e)
{
comboBoxEx3.SelectedIndex = ;
txtMailFrom.SelectedIndex = ;
txtSmtpServer.SelectedIndex = ;
txtMailTo.SelectedIndex = ;
}
//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 - ; //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 = ; i < contactNum; i++)
{
string mailTo = dgvContact.Rows[i].Cells[].Value.ToString(); //收件人
//发送指定数量的邮件
for (int j = ; 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 <= )
{
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 = ; //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 = ; m < dgvContact.Rows.Count - ; m++)
{
if (dgvContact.Rows[m].Cells[].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 - );
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！" + "\n" + "技术信息:\n" + 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！" + "\n" + "技术信息:\n" + Ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
2013-12-19 11:05:05