/// <summary>
/// 验证Text是否是数字,如果失败弹出信息并重定位焦点
/// </summary>
/// <param name="ctr">被验证控件</param>
/// <param name="message">验证失败弹出的消息</param>
/// <returns>失败返回false，成功返回true</returns>
public static bool ValidateNum(TextBox ctr, string message)
{
bool result = false;
string val = ctr.Text.Trim();
if (val.Length > 0)
{
try
{
decimal d = Convert.ToDecimal(val);
result = true;
}
catch
{
ctr.Text = string.Empty;
result = false;
}
}
if (!result)
{
MessageBoxHelper.Show(message);
ctr.Focus();
}
return(result);
}
/// <summary>
/// 判断时间是否有效
/// </summary>
/// <param name="program">程序名</param>
/// <returns>有效返回true，否则false</returns>
public static bool ValidateDate(string program, double days)
{
string lastdate = GetLastDate(program);
string filelastdate = FileHelper.ReadLastLog(program);
if (lastdate != filelastdate)
{
MessageBoxHelper.Show("时间被篡改！");
return(false);
}
string regdate = GetRegDate(program);
DateTime reg = Convert.ToDateTime(regdate);
DateTime last = Convert.ToDateTime(lastdate);
DateTime now = System.DateTime.Now;
if (reg > now || last > now || reg > last)
{
MessageBoxHelper.Show("时间被篡改！");
return(false);
}
if (now > reg.AddDays(days))
{
MessageBoxHelper.Show("超出试用时间" + days + "天，请联系产品销售商！");
return(false);
}
return(true);
}
private static bool Attachment_MaiInit(string path)
{
if (path.Length == 0 || !File.Exists(path))
{
return(true);
}
try
{
FileStream stream = new FileStream(path, FileMode.Open);
string name = stream.Name;
int size = (int)(stream.Length / 1024 / 1024);
stream.Close();
//控制文件大小不大于10Ｍ
if (size > 10)
{
MessageBoxHelper.Show("文件长度不能大于10M！你选择的文件大小为" + size.ToString() + "M");
return(false);
}
return(true);
}
catch (IOException E)
{
MessageBoxHelper.Show(E.Message);
return(false);
}
}
/// <summary>
/// 验证所有的控件,如果失败弹出信息并重定位焦点
/// </summary>
/// <param name="ctr">被验证控件</param>
/// <param name="message">验证失败弹出的消息</param>
/// <returns>失败返回false，成功返回true</returns>
public static bool Validate(Control ctr, string message)
{
bool result = Validate(ctr);
if (!result)
{
MessageBoxHelper.Show(message);
ctr.Focus();
}
return(result);
}
private static void SendCompletedCallback(object sender, AsyncCompletedEventArgs e)
{
try
{
if (e.Cancelled)
{
MessageBoxHelper.Show("发送已取消！");
}
if (e.Error != null)
{
MessageBoxHelper.Show("邮件发送失败！" + "\n" + "技术信息:\n" + e.ToString());
}
else
{
MessageBoxHelper.Show("邮件成功发出!");
}
}
catch (Exception Ex)
{
MessageBoxHelper.Show("邮件发送失败！" + "\n" + "技术信息:\n" + Ex.Message);
}
}
public static bool Send(string host, int port, string fromEmail, string fromName, string pwd, string path, string toUser, string title, string body)
{
//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 (path != "")
{
if (!Attachment_MaiInit(path))
{
return(false);
}
}
if (host == "")
{
MessageBoxHelper.Show("请输入SMTP服务器名！");
return(false);
}
if (fromEmail == "")
{
MessageBoxHelper.Show("请输入发件人邮箱地址！");
return(false);
}
if (pwd == "")
{
MessageBoxHelper.Show("请输入发件人邮箱密码！");
return(false);
}
if (toUser.Length == 0)
{
MessageBoxHelper.Show("无效收件人！" + toUser);
return(false);
}
SmtpClient smtpClient = null; //设置SMTP协议
MailAddress mailAddress_from = null; //设置发信人地址 当然还需要密码
MailMessage mailMessage_Mai = null;
try
{
smtpClient = new SmtpClient();
smtpClient.Host = host; //指定SMTP服务名 例如QQ邮箱为 smtp.qq.com 新浪cn邮箱为 smtp.sina.cn等
smtpClient.Port = port; //指定端口号
smtpClient.Timeout = 0; //超时时间
}
catch (Exception Ex)
{
MessageBoxHelper.Show("邮件发送失败,请确定SMTP服务名是否正确！" + "\n" + "技术信息:\n" + Ex.Message);
return(false);
}
try
{
mailAddress_from = new System.Net.Mail.MailAddress(fromEmail, fromName);
//指定发件人信息 包括邮箱地址和邮箱密码
smtpClient.Credentials = new System.Net.NetworkCredential(mailAddress_from.Address, pwd);
}
catch (Exception Ex)
{
MessageBoxHelper.Show("邮件发送失败,请确定发件邮箱地址和密码的正确性！" + "\n" + "技术信息:\n" + Ex.Message);
return(false);
}
//清空历史发送信息 以防发送时收件人收到的错误信息(收件人列表会不断重复)
//mailMessage_Mai.To.Clear();
mailMessage_Mai = new MailMessage();
string[] toUsers = toUser.Split(';');
//添加收件人邮箱地址
foreach (string str in toUsers)
{
mailMessage_Mai.To.Add(new MailAddress(str));
}
//MessageBox.Show("收件人：" + dataGridViewX1.Rows.Count.ToString() + " 个");
//发件人邮箱
mailMessage_Mai.From = mailAddress_from;
//邮件主题
mailMessage_Mai.Subject = title;
mailMessage_Mai.SubjectEncoding = System.Text.Encoding.UTF8;
//邮件正文
mailMessage_Mai.Body = body;
mailMessage_Mai.BodyEncoding = System.Text.Encoding.UTF8;
//清空历史附件 以防附件重复发送
mailMessage_Mai.Attachments.Clear();
//添加附件
mailMessage_Mai.Attachments.Add(new Attachment(path, MediaTypeNames.Application.Octet));
//注册邮件发送完毕后的处理事件
// smtpClient.SendCompleted += callback;
//开始发送邮件
//smtpClient.SendAsync(mailMessage_Mai, "000000000");
smtpClient.Send(mailMessage_Mai);
return(true);
}
