protected void Page_Load(object sender, EventArgs e)
{
m_SystemFactory = new SystemFactory();
m_AuthFactory = new AuthFactory();
m_LogService = m_SystemFactory.GetLogService();
m_AuthSevice = m_AuthFactory.GetAuthService();
if (!Page.IsPostBack)
{
InitData();
fillGridView();
}
}
public WebMailService()
{
m_ConfigHelper = new ConfigHelper();
m_SystemFactory = new SystemFactory();
m_SystemService = m_SystemFactory.GetSystemService();
m_MailVO = m_SystemService.GetSystemParamByRoot();
bool enableSSL = m_MailVO.EnableSSL;
int port = 25;
if (m_MailVO.MailSmtp.IndexOf("gmail") != -1)
{
enableSSL = true;
port = 587;
}
else if (!string.IsNullOrEmpty(m_MailVO.MailPort))
{
port = int.Parse(m_MailVO.MailPort);
}
m_MailService = new MailService(m_MailVO.MailSmtp, port, enableSSL, m_MailVO.Account, m_MailVO.Password);
}
public WebLogService()
{
m_SystemFactory = new SystemFactory();
m_LogService = m_SystemFactory.GetLogService();
}
public void TestCaseInit()
{
m_AuthFactory = new AuthFactory();
m_PostFactory = new PostFactory();
m_SystemFactory = new SystemFactory();
m_StorageFactory = new StorageFactory();
m_MemberFactory = new MemberFactory();
m_AccountingFactory = new AccountingFactory();
m_AuthService = m_AuthFactory.GetAuthService();
m_PostService = m_PostFactory.GetPostService();
m_TemplateService = m_SystemFactory.GetTemplateService();
m_SystemService = m_SystemFactory.GetSystemService();
m_MessageService = m_PostFactory.GetMessageService();
m_StorageFileService = m_StorageFactory.GetStorageFileService();
m_MemberService = m_MemberFactory.GetMemberService();
m_AccountingService = m_AccountingFactory.GetAccountingService();
}
/// <summary>
/// DataTable导出到Excel的MemoryStream 第二步
/// </summary>
/// <param name="dtSource">源DataTable</param>
/// <param name="strHeaderText">表头文本</param>
public static MemoryStream Export(DataTable dtSource, string strHeaderText, bool usePassword, string path)
{
SystemFactory systemFactory = new SystemFactory();
ISystemService systemService = systemFactory.GetSystemService();
SystemParamVO systemParamVO = systemService.GetSystemParamByRoot();
if (string.IsNullOrEmpty(path))
{
path = @"D:\temp.xls";
}
if (File.Exists(path))
{
File.Delete(path);
}
HSSFWorkbook fakeWorkbook = new HSSFWorkbook();
HSSFSheet fakeSheet = fakeWorkbook.CreateSheet() as HSSFSheet;
FileStream savefile = new FileStream(path, FileMode.Create);
fakeWorkbook.Write(savefile);
savefile.Close();
savefile.Dispose();
FileStream file = new FileStream(path, FileMode.Open, FileAccess.Read);
if (usePassword && systemParamVO!=null && !string.IsNullOrEmpty(systemParamVO.FilePassword))
{
NPOI.HSSF.Record.Crypto.Biff8EncryptionKey.CurrentUserPassword = "******";//打开前调用
}
HSSFWorkbook workbook = new HSSFWorkbook(file);
if (usePassword && systemParamVO != null && !string.IsNullOrEmpty(systemParamVO.FilePassword))
{
workbook.WriteProtectWorkbook(systemParamVO.FilePassword, "");//设置新密码
}
file.Close();
HSSFSheet sheet = (HSSFSheet)workbook.GetSheetAt(0);
#region 右击文件 属性信息
{
DocumentSummaryInformation dsi = PropertySetFactory.CreateDocumentSummaryInformation();
dsi.Company = "NPOI";
workbook.DocumentSummaryInformation = dsi;
SummaryInformation si = PropertySetFactory.CreateSummaryInformation();
si.Author = "文件作者信息"; //填加xls文件作者信息
si.ApplicationName = "创建程序信息"; //填加xls文件创建程序信息
si.LastAuthor = "最后保存者信息"; //填加xls文件最后保存者信息
si.Comments = "作者信息"; //填加xls文件作者信息
si.Title = "标题信息"; //填加xls文件标题信息
si.Subject = "主题信息";//填加文件主题信息
si.CreateDateTime = DateTime.Now;
workbook.SummaryInformation = si;
}
#endregion
HSSFCellStyle dateStyle = workbook.CreateCellStyle() as HSSFCellStyle;
HSSFDataFormat format = workbook.CreateDataFormat() as HSSFDataFormat;
dateStyle.DataFormat = format.GetFormat("yyyy-mm-dd");
//取得列宽
int[] arrColWidth = new int[dtSource.Columns.Count];
foreach (DataColumn item in dtSource.Columns)
{
arrColWidth[item.Ordinal] = Encoding.GetEncoding(936).GetBytes(item.ColumnName.ToString()).Length;
}
for (int i = 0; i < dtSource.Rows.Count; i++)
{
for (int j = 0; j < dtSource.Columns.Count; j++)
{
int intTemp = Encoding.GetEncoding(936).GetBytes(dtSource.Rows[i][j].ToString()).Length;
if (intTemp > arrColWidth[j])
{
arrColWidth[j] = intTemp;
}
}
}
int rowIndex = 0;
foreach (DataRow row in dtSource.Rows)
{
#region 新建表，填充表头，填充列头，样式
if (rowIndex == 65535 || rowIndex == 0)
{
if (rowIndex != 0)
{
sheet = workbook.CreateSheet() as HSSFSheet;
}
#region 表头及样式
{
if (string.IsNullOrEmpty(strHeaderText))
{
HSSFRow headerRow = sheet.CreateRow(0) as HSSFRow;
headerRow.HeightInPoints = 25;
headerRow.CreateCell(0).SetCellValue(strHeaderText);
HSSFCellStyle headStyle = workbook.CreateCellStyle() as HSSFCellStyle;
//headStyle.Alignment = CellHorizontalAlignment.CENTER;
HSSFFont font = workbook.CreateFont() as HSSFFont;
font.FontHeightInPoints = 20;
font.Boldweight = 700;
headStyle.SetFont(font);
headerRow.GetCell(0).CellStyle = headStyle;
sheet.AddMergedRegion(new Region(0, 0, 0, dtSource.Columns.Count - 1));
//headerRow.Dispose();
}
}
#endregion
#region 列头及样式
{
HSSFRow headerRow = sheet.CreateRow(0) as HSSFRow;
HSSFCellStyle headStyle = workbook.CreateCellStyle() as HSSFCellStyle;
//headStyle.Alignment = CellHorizontalAlignment.CENTER;
HSSFFont font = workbook.CreateFont() as HSSFFont;
font.FontHeightInPoints = 10;
font.Boldweight = 700;
headStyle.SetFont(font);
foreach (DataColumn column in dtSource.Columns)
{
headerRow.CreateCell(column.Ordinal).SetCellValue(column.ColumnName);
headerRow.GetCell(column.Ordinal).CellStyle = headStyle;
//设置列宽
sheet.SetColumnWidth(column.Ordinal, (arrColWidth[column.Ordinal] + 1) * 256);
}
//headerRow.Dispose();
}
#endregion
rowIndex = 1;
}
#endregion
#region 填充内容
HSSFRow dataRow = sheet.CreateRow(rowIndex) as HSSFRow;
foreach (DataColumn column in dtSource.Columns)
{
HSSFCell newCell = dataRow.CreateCell(column.Ordinal) as HSSFCell;
string drValue = row[column].ToString();
switch (column.DataType.ToString())
{
case "System.String"://字符串类型
newCell.SetCellValue(drValue);
break;
case "System.DateTime"://日期类型
DateTime dateV;
DateTime.TryParse(drValue, out dateV);
newCell.SetCellValue(dateV);
newCell.CellStyle = dateStyle;//格式化显示
break;
case "System.Boolean"://布尔型
bool boolV = false;
bool.TryParse(drValue, out boolV);
newCell.SetCellValue(boolV);
break;
case "System.Int16"://整型
case "System.Int32":
case "System.Int64":
case "System.Byte":
int intV = 0;
int.TryParse(drValue, out intV);
newCell.SetCellValue(intV);
break;
case "System.Decimal"://浮点型
case "System.Double":
double doubV = 0;
double.TryParse(drValue, out doubV);
newCell.SetCellValue(doubV);
break;
case "System.DBNull"://空值处理
newCell.SetCellValue("");
break;
default:
newCell.SetCellValue("");
break;
}
}
#endregion
rowIndex++;
}
using (MemoryStream ms = new MemoryStream())
{
workbook.Write(ms);
ms.Flush();
ms.Position = 0;
//sheet.Dispose();
//workbook.Dispose();//一般只用写这一个就OK了，他会遍历并释放所有资源，但当前版本有问题所以只释放sheet
return ms;
}
}
