DevExpress打印相关代码
using System;
using System.Windows.Forms;
using DevExpress.XtraPrinting;
using System.Xml.Serialization;
namespace MyDevExpressDemo
{
/// <summary>
/// PrintSettingController 的摘要说明。
/// </summary>
public class PrintSettingController
{
PrintingSystem ps = null;
string formName=null;
DevExpress.XtraPrinting.PrintableComponentLink link=null;
/// <summary>
///
/// </summary>
/// <param name='control'>要打印的部件</param>
/// <param name='FormName'>此部件对应的布局信息</param>
public PrintSettingController(IPrintable control,string FormName)
{
formName=FormName;
ps=new DevExpress.XtraPrinting.PrintingSystem();
link=new DevExpress.XtraPrinting.PrintableComponentLink(ps);
ps.Links.Add(link);
link.Component=control;
ps.PageSettingsChanged-=new EventHandler(ps_PageSettingsChanged);
LoadPageSetting();
ps.PageSettingsChanged+=new EventHandler(ps_PageSettingsChanged);
ps.AfterMarginsChange+=new MarginsChangeEventHandler(ps_AfterMarginsChange);
}
public void Preview()
{
try
{
if(DevExpress.XtraPrinting.PrintHelper.IsPrintingAvailable)
{
Cursor.Current=Cursors.AppStarting;
if(_PrintHeader!=null)
{
PageHeaderFooter phf = link.PageHeaderFooter as PageHeaderFooter;
phf.Header.Content.Clear();
phf.Header.Content.AddRange(new string[] {'',_PrintHeader,''});
phf.Header.Font=new System.Drawing.Font('宋体',14,System.Drawing.FontStyle.Bold);
phf.Header.LineAlignment=BrickAlignment.Center;
}
link.PaperKind=ps.PageSettings.PaperKind;
link.Margins=ps.PageSettings.Margins;
link.Landscape=ps.PageSettings.Landscape;
link.CreateDocument();
ps.PreviewForm.Show();
}
else
{
Cursor.Current=Cursors.Default;
MessageBox.Show('打印机不可用...', '提示', MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
finally
{
Cursor.Current=Cursors.Default;
}
}
/// <summary>
/// 打印控制器
/// </summary>
/// <param name='control'>要打印的部件</param>
public PrintSettingController(IPrintable control)
{
if(control==null)return;
Control c=(Control)control;
formName=c.FindForm().GetType().FullName+'.'+c.Name;
ps=new DevExpress.XtraPrinting.PrintingSystem();
link=new DevExpress.XtraPrinting.PrintableComponentLink(ps);
ps.Links.Add(link);
link.Component=control;
ps.PageSettingsChanged-=new EventHandler(ps_PageSettingsChanged);
LoadPageSetting();
ps.PageSettingsChanged+=new EventHandler(ps_PageSettingsChanged);
ps.AfterMarginsChange+=new MarginsChangeEventHandler(ps_AfterMarginsChange);
}
public void ExportToHtml()
{
try
{
using(SaveFileDialog fd=new SaveFileDialog())
{
fd.Title='导出HTML文件';
fd.RestoreDirectory=true;
fd.Filter='HTML文件|*.htm';
fd.FilterIndex=1;
if(fd.ShowDialog()==DialogResult.OK)
{
// if(obj is DevExpress.XtraGrid.GridControl)
// {
// ((DevExpress.XtraGrid.GridControl)obj).ExportToHtml(fd.FileName);
// MessageBox.Show('文件导出成功','导出',MessageBoxButtons.OK,MessageBoxIcon.Information);
// }
// else if(obj is DevExpress.XtraTreeList.TreeList)
// {
link.CreateDocument();
ps.ExportToHtml(fd.FileName);
MessageBox.Show('文件导出成功','导出',MessageBoxButtons.OK,MessageBoxIcon.Information);
// }
}
}
}
finally
{
}
}
/// <summary>
/// 网格分组时要导出，请使用这个，
/// </summary>
public void GridGroupToExcel()
{
DevExpress.XtraGrid.GridControl grid=this.link.Component as DevExpress.XtraGrid.GridControl;
if(grid!=null)
{
using(SaveFileDialog fd=new SaveFileDialog())
{
fd.Title='导出Excel文件';
fd.RestoreDirectory=true;
fd.Filter='Excel文件|*.xls';
fd.FilterIndex=1;
if(fd.ShowDialog()==DialogResult.OK)
{
grid.ExportToExcel(fd.FileName);
MessageBox.Show('文件导出成功','导出',MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}
}
}
public void ExportToExcel()
{
try
{
using(SaveFileDialog fd=new SaveFileDialog())
{
fd.Title='导出Excel文件';
fd.RestoreDirectory=true;
fd.Filter='Excel文件|*.xls';
fd.FilterIndex=1;
if(fd.ShowDialog()==DialogResult.OK)
{
// if(obj is DevExpress.XtraGrid.GridControl)
// {
// ((DevExpress.XtraGrid.GridControl)obj).ExportToExcel(fd.FileName);
// MessageBox.Show('文件导出成功','导出',MessageBoxButtons.OK,MessageBoxIcon.Information);
// }
// else if(obj is DevExpress.XtraTreeList.TreeList)
// {
link.CreateDocument();
ps.ExportToXls(fd.FileName);
MessageBox.Show('文件导出成功','导出',MessageBoxButtons.OK,MessageBoxIcon.Information);
// }
}
}
}
finally
{
}
}
string _PrintHeader=null;
/// <summary>
/// 打印时的标题
/// </summary>
public string PrintHeader
{
set
{
_PrintHeader=value;
}
}
/// <summary>
/// 进行打印
/// </summary>
public void Print()
{
try
{
if(DevExpress.XtraPrinting.PrintHelper.IsPrintingAvailable)
{
if(_PrintHeader!=null)
{
PageHeaderFooter phf = link.PageHeaderFooter as PageHeaderFooter;
phf.Header.Content.Clear();
phf.Header.Content.AddRange(new string[] {'',_PrintHeader,''});
phf.Header.Font=new System.Drawing.Font('宋体',14,System.Drawing.FontStyle.Bold);
phf.Header.LineAlignment=BrickAlignment.Center;
}
link.PaperKind=ps.PageSettings.PaperKind;
link.Margins=ps.PageSettings.Margins;
link.Landscape=ps.PageSettings.Landscape;
link.CreateDocument();
link.CreateDocument();
ps.Print();
}
else
{
Cursor.Current=Cursors.Default;
MessageBox.Show('打印机不可用...', '提示', MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
finally
{
}
}
private void ps_AfterMarginsChange(object sender, MarginsChangeEventArgs e)
{
SavePageSetting();
}
private void ps_PageSettingsChanged(object sender, EventArgs e)
{
SavePageSetting();
}
//获取页面设置信息
void LoadPageSetting()
{
try
{
string path=System.Windows.Forms.Application.StartupPath+'\\PrintLayout';
if(!System.IO.Directory.Exists(path))
{
return;
}
path+='\\'+formName+'.xml';
if(!System.IO.File.Exists(path))
{
return;
}
XmlSerializer ser=new XmlSerializer(typeof(UserPageSetting));
UserPageSetting setting=(UserPageSetting)ser.Deserialize(new System.IO.FileStream(path,System.IO.FileMode.Open,System.IO.FileAccess.Read,System.IO.FileShare.ReadWrite));
System.Drawing.Printing.Margins m=new System.Drawing.Printing.Margins(setting.Left,setting.Right,setting.Top,setting.Bottom);
ps.PageSettings.Assign(m,(System.Drawing.Printing.PaperKind)setting.PaperKind,setting.Landscape);
}
catch{}
}
/// <summary>
/// 保存当前网格的布局
/// </summary>
void SavePageSetting()
{
try
{
string path=System.Windows.Forms.Application.StartupPath+'\\PrintLayout';
if(!System.IO.Directory.Exists(path))
{
System.IO.Directory.CreateDirectory(path);
}
path+='\\'+formName+'.xml';
DevExpress.XtraPrinting.XtraPageSettings setting= ps.PageSettings;
UserPageSetting s=new UserPageSetting();
s.Landscape=setting.Landscape;
s.Left=setting.Margins.Left;
s.Right=setting.Margins.Right;
s.Top=setting.Margins.Top;
s.Bottom=setting.Margins.Bottom;
s.PaperKind=(int)setting.PaperKind;
XmlSerializer ser=new XmlSerializer(s.GetType());
ser.Serialize(new System.IO.FileStream(path,System.IO.FileMode.Create,System.IO.FileAccess.Write,System.IO.FileShare.ReadWrite),s);
}
catch{}
}
}
/// <summary>
/// 最终用户对某个打印页的设置
/// </summary>
[Serializable()]
public class UserPageSetting
{
public UserPageSetting()
{
}
public bool Landscape;
public int PaperKind;
public int Top;
public int Bottom;
public int Left;
public int Right;
}
}
如何使用:
PrintSettingController pc=new PrintSettingController(this.treeList1); //这里可以是任何实现IPrintable 的控件
pc.PrintHeader='我的报表';
pc.Preview();
