#region Excel导出
private void btnExportExcel_Click(object sender, RoutedEventArgs e)
{
Export(this.dgvList, "XX信息查询列表");
} public void Export(DataGrid dataGrid, string excelTitle)
{
System.Data.DataTable dt = new System.Data.DataTable();
for (int i = ; i < dataGrid.Columns.Count; i++)
{
if (dataGrid.Columns[i].Visibility == System.Windows.Visibility.Visible)//只导出可见列
{
dt.Columns.Add(dataGrid.Columns[i].Header.ToString());//构建表头
}
} for (int i = ; i < dataGrid.Items.Count; i++)
{
int columnsIndex = ;
System.Data.DataRow row = dt.NewRow();
for (int j = ; j < dataGrid.Columns.Count; j++)
{
if (dataGrid.Columns[j].Visibility == System.Windows.Visibility.Visible)
{
if (dataGrid.Items[i] != null && (dataGrid.Columns[j].GetCellContent(dataGrid.Items[i]) as TextBlock) != null)//填充可见列数据
{
row[columnsIndex] = (dataGrid.Columns[j].GetCellContent(dataGrid.Items[i]) as TextBlock).Text.ToString();
}
else row[columnsIndex] = ""; columnsIndex++;
}
}
dt.Rows.Add(row);
} string FileName = ExcelExport(dt, excelTitle);
} public string ExcelExport(System.Data.DataTable DT, string title)
{
try
{
//创建Excel
Microsoft.Office.Interop.Excel.Application ExcelApp = new Microsoft.Office.Interop.Excel.Application();
Microsoft.Office.Interop.Excel.Workbook ExcelBook = ExcelApp.Workbooks.Add(System.Type.Missing);
//创建工作表（即Excel里的子表sheet） 1表示在子表sheet1里进行数据导出
Microsoft.Office.Interop.Excel.Worksheet ExcelSheet = (Microsoft.Office.Interop.Excel.Worksheet)ExcelBook.Worksheets[]; //如果数据中存在数字类型 可以让它变文本格式显示
ExcelSheet.Cells.NumberFormat = "@"; //设置工作表名
ExcelSheet.Name = title; //设置Sheet标题
string start = "A1";
string end = ChangeASC(DT.Columns.Count) + ""; Microsoft.Office.Interop.Excel.Range _Range = (Microsoft.Office.Interop.Excel.Range)ExcelSheet.get_Range(start, end);
_Range.Merge(); //单元格合并动作(要配合上面的get_Range()进行设计)
_Range = (Microsoft.Office.Interop.Excel.Range)ExcelSheet.get_Range(start, end);
_Range.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignCenter;
_Range.Font.Size = ; //设置字体大小
_Range.Font.Name = "黑体"; //设置字体的种类
ExcelSheet.Cells[, ] = title; //Excel单元格赋值
_Range.EntireColumn.AutoFit(); //自动调整列宽 //写表头
for (int m = ; m < DT.Columns.Count; m++)
{
ExcelSheet.Cells[, m] = DT.Columns[m].ColumnName.ToString(); start = "A2";
end = ChangeASC(DT.Columns.Count) + ""; _Range = (Microsoft.Office.Interop.Excel.Range)ExcelSheet.get_Range(start, end);
_Range.Font.Size = ; //设置字体大小
_Range.Font.Name = "黑体"; //设置字体的种类
_Range.EntireColumn.AutoFit(); //自动调整列宽
_Range.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignCenter;
} //写数据
for (int i = ; i < DT.Rows.Count; i++)
{
for (int j = ; j < DT.Columns.Count; j++)
{
//Excel单元格第一个从索引1开始
// if (j == 0) j = 1;
ExcelSheet.Cells[i + , j ] = DT.Rows[i][j].ToString();
}
} //表格属性设置
for (int n = ; n < DT.Rows.Count + ; n++)
{
start = "A" + (n + ).ToString();
end = ChangeASC(DT.Columns.Count) + (n + ).ToString(); //获取Excel多个单元格区域
_Range = (Microsoft.Office.Interop.Excel.Range)ExcelSheet.get_Range(start, end); _Range.Font.Size = ; //设置字体大小
_Range.Font.Name = "宋体"; //设置字体的种类 _Range.EntireColumn.AutoFit(); //自动调整列宽
_Range.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignCenter; //设置字体在单元格内的对其方式 _Range.EntireColumn.AutoFit(); //自动调整列宽
} ExcelApp.DisplayAlerts = false; //保存Excel的时候，不弹出是否保存的窗口直接进行保存 //弹出保存对话框,并保存文件
Microsoft.Win32.SaveFileDialog sfd = new Microsoft.Win32.SaveFileDialog();
sfd.DefaultExt = ".xlsx";
sfd.Filter = "Office 2007 File|*.xlsx|Office 2000-2003 File|*.xls|所有文件|*.*";
if (sfd.ShowDialog() == true)
{
if (sfd.FileName != "")
{
ExcelBook.SaveAs(sfd.FileName); //将其进行保存到指定的路径
GlobalVar.ShowMsgInfo("导出文件存储为: " + sfd.FileName);
}
} //释放可能还没释放的进程
ExcelBook.Close();
ExcelApp.Quit();
PubHelper.Instance.KillAllExcel(ExcelApp); return sfd.FileName;
}
catch
{
GlobalVar.ShowMsgWarning("导出文件保存失败！");
return null;
}
} /// <summary>
/// 获取当前列列名,并得到EXCEL中对应的列
/// </summary>
/// <param name="count"></param>
/// <returns></returns>
private string ChangeASC(int count)
{
string ascstr = ""; switch (count)
{
case :
ascstr = "A";
break;
case :
ascstr = "B";
break;
case :
ascstr = "C";
break;
case :
ascstr = "D";
break;
case :
ascstr = "E";
break;
case :
ascstr = "F";
break;
case :
ascstr = "G";
break;
case :
ascstr = "H";
break;
case :
ascstr = "I";
break;
case :
ascstr = "J";
break;
case :
ascstr = "K";
break;
case :
ascstr = "L";
break;
case :
ascstr = "M";
break;
case :
ascstr = "N";
break;
case :
ascstr = "O";
break;
case :
ascstr = "P";
break;
case :
ascstr = "Q";
break;
case :
ascstr = "R";
break;
case :
ascstr = "S";
break;
case :
ascstr = "Y";
break;
default:
ascstr = "U";
break;
}
return ascstr;
} #endregion