1.利用NPOI生成EXCEL
2.导出excel之后发送邮件
//导出excel
//path :保存路径
//dt:要导出的数据
public static bool DataTableToExcel(String path, DataTable dt)
{
bool result = false;
IWorkbook workbook = null;
FileStream fs = null;
IRow row = null;
ISheet sheet = null;
ICell cell = null;
try
{
if (dt != null && dt.Rows.Count > 0)
{
workbook = new HSSFWorkbook();
sheet = workbook.CreateSheet("停台信息");//创建一个名称为Sheet0的表
int rowCount = dt.Rows.Count;//行数
int columnCount = dt.Columns.Count;//列数
//设置列头
row = sheet.CreateRow(0);//excel第一行设为列头
for (int c = 0; c < columnCount; c++)
{
cell = row.CreateCell(c);
cell.SetCellValue(dt.Columns[c].ColumnName);
}
//设置每行每列的单元格,
for (int i = 0; i < rowCount; i++)
{
row = sheet.CreateRow(i + 1);
for (int j = 0; j < columnCount; j++)
{
cell = row.CreateCell(j);//excel第二行开始写入数据
cell.SetCellValue(dt.Rows[i][j].ToString());
}
}
using (fs = File.OpenWrite(path))
{
workbook.Write(fs);//向打开的这个xls文件中写入数据
result = true;
}
}
return result;
}
catch (Exception ex)
{
if (fs != null)
{
fs.Close();
}
return false;
}
}
//发送邮件功能
/// <summary>
/// C#发送邮件函数
/// </summary>
/// <param name="from">发送者邮箱</param>
/// <param name="fromer">发送人</param>
/// <param name="to">接受者邮箱</param>
/// <param name="toer">收件人</param>
/// <param name="Subject">主题</param>
/// <param name="Body">内容</param>
/// <param name="file">附件</param>
/// <param name="SMTPHost">smtp服务器</param>
/// <param name="SMTPuser">邮箱</param>
/// <param name="SMTPpass">密码</param>
/// <returns></returns>
public bool sendmail(string sfrom, string sfromer, string sto, string stoer, string sSubject, string sBody, string sfile, string sSMTPHost, string sSMTPuser, string sSMTPpass)
{
////设置from和to地址
MailAddress from = new MailAddress(sfrom, sfromer);
MailAddress to = new MailAddress(sto, stoer);
////创建一个MailMessage对象
MailMessage oMail = new MailMessage(from, to);
//// 添加附件
if (sfile != "")
{
oMail.Attachments.Add(new Attachment(sfile));
}
////邮件标题
oMail.Subject = sSubject;
////邮件内容
oMail.Body = sBody;
////邮件格式
oMail.IsBodyHtml = false;
////邮件采用的编码
oMail.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312");
////设置邮件的优先级为高
oMail.Priority = MailPriority.High;
////发送邮件
SmtpClient client = new SmtpClient();
////client.UseDefaultCredentials = false;
client.Host = sSMTPHost;
client.Credentials = new NetworkCredential(sSMTPuser, sSMTPpass);
client.DeliveryMethod = SmtpDeliveryMethod.Network;
try
{
client.Send(oMail);
return true;
}
catch (Exception err)
{
return false;
}
finally
{
////释放资源
oMail.Dispose();
}
}
//发送邮件
public String SendEmail( )
{
String vResult = "";
//校验值
bool vFlag = true;
//Sql语句
String vSql = @"
Sql语句
";
String vDate = DateTime.Now.AddDays(-1).ToString("yyyy-MM-dd");
String vPath = "D:\\ExpExcel\\";
vPath += "停台信息 " + vDate + ".xls";
try
{
DataTable dt = new DataTable();
dt = GetExpData(vSql);
vFlag = DataTableToExcel(vPath, dt);
}
catch (Exception ex)
{
vFlag = false;
vResult = "执行失败!" + ex;
}
if (vFlag)
{
String vMDate = DateTime.Now.AddDays(-1).ToString("MM月dd日");
string from = "发送人邮箱";
string fromer = "A.Link";
string to = "接收人邮箱";
string toer = "陈工";
string Subject = "停台信息 " + vDate;\\标题
string file = vPath;\\附件所在路径
string Body = @"邮件内容";
string SMTPHost = "邮箱服务器地址";
string SMTPuser = "发送人账号";
string SMTPpass = "密码";
SendEmail se = new SendEmail();
se.sendmail(from, fromer, to, toer, Subject, Body, file, SMTPHost, SMTPuser, SMTPpass);
vResult = "执行成功!";
}
return vResult;
}
如果需要源码就给我留言,但是我不经常上,不会写博客