C# excel
range.NumberFormatLocal = "@"; //设置单元格格式为文本
range = (Range)worksheet.get_Range("A1", "E1"); //获取Excel多个单元格区域：本例做为Excel表头range.Merge(0); //单元格合并动作worksheet.Cells[1, 1] = "Excel单元格赋值"; //Excel单元格赋值range.Font.Size = 15; //设置字体大小range.Font.Underline=true; //设置字体是否有下划线range.Font.Name="黑体"; //设置字体的种类range.HorizontalAlignment=XlHAlign.xlHAlignCenter; //设置字体在单元格内的对其方式range.ColumnWidth=15; //设置单元格的宽度range.Cells.Interior.Color=System.Drawing.Color.FromArgb(255,204,153).ToArgb(); //设置单元格的背景色range.Borders.LineStyle=1; //设置单元格边框的粗细range.BorderAround(XlLineStyle.xlContinuous,XlBorderWeight.xlThick,XlColorIndex.xlColorIndexAutomatic,System.Drawing.Color.Black.ToArgb()); //给单元格加边框range.EntireColumn.AutoFit(); //自动调整列宽Range.HorizontalAlignment= xlCenter; // 文本水平居中方式Range.VerticalAlignment= xlCenter //文本垂直居中方式Range.WrapText=true; //文本自动换行Range.Interior.ColorIndex=39; //填充颜色为淡紫色Range.Font.Color=clBlue; //字体颜色xlsApp.DisplayAlerts=false; //保存Excel的时候，不弹出是否保存的窗口直接进行保存
/// <summary>
/// DataGridView导出Excel
/// </summary>
/// <param name="strCaption">Excel文件中的标题</param>
/// <param name="myDGV">DataGridView 控件</param>
/// <returns>0:成功;1:DataGridView中无记录;2:Excel无法启动;9999:异常错误</returns>
private int ExportExcel(string strCaption, DataGridView myDGV)
{
int result = 9999;
// 列索引，行索引，总列数，总行数
int ColIndex = 0;
int RowIndex = 0;
int ColCount = myDGV.ColumnCount;
int RowCount = myDGV.RowCount+6;//------------
if (myDGV.RowCount == 0)
{
result = 1;
}
// 创建Excel对象
Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.ApplicationClass();
if (xlApp == null)
{
result = 2;
}
try
{
// 创建Excel工作薄
Microsoft.Office.Interop.Excel.Workbook xlBook = xlApp.Workbooks.Add(true);
Microsoft.Office.Interop.Excel.Worksheet xlSheet = (Microsoft.Office.Interop.Excel.Worksheet)xlBook.Worksheets[1];
// 设置标题
Microsoft.Office.Interop.Excel.Range range = xlSheet.get_Range(xlApp.Cells[1, 1], xlApp.Cells[1, ColCount]); //标题所占的单元格数与DataGridView中的列数相同
range.MergeCells = true; //是否 单元格合并 还是 自动合并呢？
range.ColumnWidth = 12;//单元格的宽度
xlApp.ActiveCell.FormulaR1C1 = strCaption;
xlApp.ActiveCell.Font.Size = 20;
xlApp.ActiveCell.Font.Bold = true;
xlApp.ActiveCell.HorizontalAlignment = Microsoft.Office.Interop.Excel.Constants.xlCenter;//居中
// 创建缓存数据
object[,] objData = new object[RowCount + 1, ColCount];
foreach (DataGridViewColumn col in myDGV.Columns)
{//不加1 就写不进去 很奇怪；加1多空出1行
objData[RowIndex+1, ColIndex++] = col.HeaderText;
}
// 获取数据
for (RowIndex = 1; RowIndex - 1 < myDGV.RowCount; RowIndex++)
{
for (ColIndex = 0; ColIndex < ColCount; ColIndex++)
{
if (myDGV[ColIndex, RowIndex - 1].ValueType == typeof(string)
|| myDGV[ColIndex, RowIndex - 1].ValueType == typeof(DateTime))//这里就是验证DataGridView单元格中的类型,如果是string或是DataTime类型,则在放入缓存时在该内容前加入" ";
{ //应该是我的数据没到位
objData[RowIndex+0, ColIndex] = "" + myDGV[ColIndex, RowIndex - 1].Value;
}
else
{
objData[RowIndex+0, ColIndex] = myDGV[ColIndex, RowIndex - 1].Value;
}
}
System.Windows.Forms.Application.DoEvents();
}
// 写入Excel
range = xlSheet.get_Range(xlApp.Cells[2, 1], xlApp.Cells[RowCount, ColCount]);
range.Value2 = objData;
//保存
xlBook.Saved = true;
xlBook.SaveCopyAs("C:\\测试" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".xls");
//返回值
result = 0;
}
catch (Exception err)
{
result = 9999;
}
finally
{
xlApp.Quit();
GC.Collect(); //强制回收
}
return result;
}
