//用此方法请重写页面的VerifyRenderingInServerForm方法！
/// <summary>
/// 导出Office文件Excel或Word文件,HtmoTextWriter方式,用此方法请重写页面的VerifyRenderingInServerForm方法！Office FileType("application/ms-word")("application/ms-excel")
/// </summary>
/// <param name="webPage">Web.Page</param>
/// <param name="webControl">Web表格控件，请重写页面的VerifyRenderingInServerForm方法！</param>
/// <param name="fileType">Office FileType("application/ms-word")("application/ms-excel")</param>
/// <param name="fileName">FileFullName</param>
public void ExportOffice(Page webPage, System.Web.UI.WebControls.WebControl webControl, string fileType, string fileName)
{
webPage.Response.Clear();
webPage.Response.ClearHeaders();
webPage.Response.Buffer = false;
webPage.Response.Charset = "GB2312";
webPage.Response.ContentEncoding = System.Text.Encoding.UTF8;
webPage.Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fileName, Encoding.UTF8).ToString().Replace("+", "%20"));
webPage.Response.ContentType = fileType;
webPage.EnableViewState = false;
StringWriter tw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(tw);
webControl.RenderControl(hw);
webPage.Response.Write(tw.ToString());
webPage.Response.End();
}
public override void Render(HtmlMobileTextWriter writer)
{
System.Web.UI.WebControls.WebControl webCalendar = Control.WebCalendar;
Style.ApplyTo(webCalendar);
// Delegate the rendering effort to the child Web Calendar
// control for HTML browser
webCalendar.Visible = true;
// There is no explicit property for alignment on WebForms
// Calendar, so we need some special code to set it.
writer.EnterLayout(Style);
writer.EnsureStyle();
Alignment align = (Alignment)Style[Style.AlignmentKey, true];
if (!Device.SupportsDivAlign)
{
webCalendar.Attributes["align"] = align.ToString();
}
if (Device.SupportsCss)
{
// Target device supports CSS - simply delegate the rendering
// to the underlying Web Calendar control
webCalendar.RenderControl(writer);
}
else
{
// Insert bgcolor attributes in cells that correspond to selected dates
StringWriter sw = new StringWriter();
HtmlTextWriter tmpWriter = new HtmlTextWriter(sw);
webCalendar.RenderControl(tmpWriter);
String webCalendarHtml = sw.ToString();
int index = 0, indexLastTable = 0;
// Search for offset of last <table> tag in the Web Calendar HTML.
// That table contains the various days.
do
{
index = webCalendarHtml.IndexOf(_selectedDateSearchTableTag, index);
if (index >= 0)
{
indexLastTable = index;
index += 5;
}
}while (index >= 0);
index = LocateNextSelectedDate(webCalendarHtml, indexLastTable);
if (index >= 0)
{
// Determine the background color of the containing Form control
HtmlControlAdapter formAdapter = (HtmlControlAdapter)Control.Form.Adapter;
Color backColor = (Color)formAdapter.Style[Style.BackColorKey, true];
int deltaR = System.Math.Abs(backColor.R - 0xC0);
int deltaG = System.Math.Abs(backColor.G - 0xC0);
int deltaB = System.Math.Abs(backColor.B - 0xC0);
// Determine the distance between Silver and the Form's background color
int bgColorDistance = deltaR * deltaR + deltaG * deltaG + deltaB * deltaB;
// Choose Silver or White depending on that distance
String selectedDateBGColor =
String.Format("bgcolor=\"{0}\" ", bgColorDistance < _bgColorDistanceTreshold ? "White" : "Silver");
while (index >= 0)
{
// Insert the bgcolor attribute for each selected date cell
webCalendarHtml = webCalendarHtml.Insert(index + _bgColorInsertionPointInPattern, selectedDateBGColor);
index = LocateNextSelectedDate(webCalendarHtml, index + _bgColorInsertionPointInPattern);
}
}
// Use the HTML after insertions
writer.Write(webCalendarHtml);
}
if (Control.BreakAfter)
{
writer.WriteBreak();
}
writer.ExitLayout(Style);
}
