/// <summary>
/// 文件转为base64编码
/// </summary>
/// <param name="filePath"></param>
/// <returns>文件的base64编码</returns>
public static string FileToBase64Str(string filePath)
{
string base64Str = string.Empty;
try
{
using (FileStream filestream = new FileStream(filePath, FileMode.Open))
{
byte[] bt = new byte[filestream.Length];
//调用read读取方法
filestream.Read(bt, 0, bt.Length);
base64Str = Convert.ToBase64String(bt);
filestream.Close();
}
return(base64Str);
}
catch (Exception)
{
MessageForm messageForm = new MessageForm("提醒", "附件转码出现问题", "确定");
messageForm.ShowDialog();
if (messageForm.DialogResult == DialogResult.Cancel)
{
messageForm.Dispose();
}
return(base64Str);
}
}
private void EditSortFormulas()
{
if (File.Exists(mSortStringFileName))
{
MessageForm ef = new MessageForm(SystemIcons.Question);
ef.Text = "Edit the sort formulas";
ef.MessageText = ef.MessageText = File.ReadAllText(mSortStringFileName);
ef.MessageEditable = true;
ef.AuxButtonText = "&Restore Default";
DialogResult result = ef.ShowDialog(this);
if (result == DialogResult.OK)
{
string res = ef.MessageText.Replace("\r\n","\n");
res = res.Replace("\n", Environment.NewLine); // make the text file nice for text editors
File.WriteAllText(mSortStringFileName, res);
}
else if (result == DialogResult.Abort)
{
// restore the default sort data
string res = PlayerSorter.sFormulasString.Replace("\r\n", "\n");
res = res.Replace("\n", Environment.NewLine); // make the text file nice for text editors
File.WriteAllText(mSortStringFileName, res);
}
ef.Dispose();
}
else
{
MessageBox.Show(this, "File: " + mSortStringFileName + " does not exist.", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
// 发送邮件
public bool SendMail(string to, string subject, string content, ListView lsb_attach)
{
if (State == SmtpSTATE.UNCONNECTED)
{
if (!Login(User))
{
return(false);
}
}
try
{
//Send Email
cmdData = "MAIL FROM: <" + User.Username + ">" + CRLF;
szData = Encoding.ASCII.GetBytes(cmdData.ToCharArray());
StrmWtr.Write(szData, 0, szData.Length);
this.getSatus();
cmdData = "RCPT TO: <" + to + ">" + CRLF;
szData = Encoding.ASCII.GetBytes(cmdData.ToCharArray());
StrmWtr.Write(szData, 0, szData.Length);
this.getSatus();
cmdData = "DATA" + CRLF;
szData = Encoding.ASCII.GetBytes(cmdData.ToCharArray());
StrmWtr.Write(szData, 0, szData.Length);
this.getSatus();
//以MIME格式发送邮件
if (lsb_attach.Items.Count > 0)
{
DateTime currentTime = new DateTime();
currentTime = DateTime.Now;
string date = currentTime.ToString("r");
//Date:属性
date = System.Text.RegularExpressions.Regex.Replace(date, "GMT", "+0800");
//附件的base64编码
List <string> attachs = new List <string>();
foreach (ListViewItem item in lsb_attach.Items)
{
attachs.Add(FileUtil.FileToBase64Str(item.Text));
}
//分隔符，边界字符串
//String boundary = "_NextPart_" + GetRnd(10, true, true, true, false, "");
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("Date: " + date + CRLF) //日期
.Append("From: " + User.Username + CRLF)
.Append("To: " + to + CRLF)
.Append("Subject: " + subject + CRLF)
.Append("Content-Type: multipart/mixed;" + CRLF)
.Append(" boundary=\"__=_Part_Boundary_001_011991.029871\"" + CRLF)
.Append("Mime-Version: 1.0" + CRLF + CRLF)
.Append("--__=_Part_Boundary_001_011991.029871" + CRLF)
.Append("Content-Type: text/plain; charset=\"UTF-8\"" + CRLF + CRLF)
.Append(content + CRLF + CRLF);
for (int i = 0; i < attachs.Count; i++)
{
string filePath = lsb_attach.Items[i].Text;
string fileName = Path.GetFileName(filePath);
string extension = Path.GetExtension(filePath);
stringBuilder.Append("--__=_Part_Boundary_001_011991.029871" + CRLF)
.Append("Content-Type: application/octet-stream;" + CRLF)
.Append("\tfilename=\"" + fileName + "\"" + CRLF)
.Append("Content-Transfer-Encoding: base64" + CRLF)
.Append("Content - Disposition: attachment; filename =\"" + fileName + "\"" + CRLF + CRLF)
.Append(attachs[i] + CRLF + CRLF);
}
stringBuilder.Append("--__=_Part_Boundary_001_011991.029871--" + CRLF + CRLF)
.Append(CRLF + "." + CRLF);
cmdData = stringBuilder.ToString();
}
else
{
cmdData = "from: " + User.Username + CRLF
+ "to: " + to + CRLF
+ "subject: " + subject + CRLF + CRLF
+ content + CRLF + "." + CRLF;
}
szData = Encoding.UTF8.GetBytes(cmdData.ToCharArray());
StrmWtr.Write(szData, 0, szData.Length);
this.getSatus();
return(true);
}
catch (Exception)
{
MessageForm messageForm = new MessageForm("提醒", "发送邮件失败", "确定");
messageForm.ShowDialog();
if (messageForm.DialogResult == DialogResult.Cancel)
{
messageForm.Dispose();
}
return(false);
}
}