用C#快速往Excel写数据
用C#快速往Excel寫數(shù)據(jù)
本示例是用于將ListView中的內(nèi)容倒入到Excel,與常用的逐單元格寫不同的是,本例子采用數(shù)據(jù)寫入到range的方法。該方法效率
明顯較高。
? Excel.Application app = new Excel.ApplicationClass();
if( app == null)
{
MessageBox.Show("Excel無法啟動");
return;
}
app.Visible = true;
Excel.Workbooks wbs = app.Workbooks;
Excel.Workbook wb = wbs.Add(Missing.Value);
Excel.Worksheet ws = (Excel.Worksheet)wb.Worksheets[1];
Excel.Range r = ws.get_Range("A1","H1");
object [] objHeader = {"標(biāo)題1","標(biāo)題2","標(biāo)題3",
"標(biāo)題4","標(biāo)題5","標(biāo)題6",
"標(biāo)題7","標(biāo)題8"};
r.Value = objHeader;
if (lv.Items.Count >0)
{
r = ws.get_Range("A2",Missing.Value);?
object [,] objData = new Object[this.lv.Items.Count,8];
foreach(ListViewItem lvi in lv.Items)
{
objData[lvi.Index,0] = lvi.Text;
objData[lvi.Index,1] = lvi.SubItems[1].Text;
objData[lvi.Index,2] = lvi.SubItems[2].Text;
objData[lvi.Index,3] = lvi.SubItems[3].Text;
objData[lvi.Index,4] = lvi.SubItems[4].Text;
objData[lvi.Index,5] = lvi.SubItems[5].Text;
objData[lvi.Index,6] = lvi.SubItems[6].Text;
objData[lvi.Index,7] = lvi.SubItems[7].Text;
}
r = r.get_Resize(lv.Items.Count,8);
r.Value = objData;
r.EntireColumn.AutoFit();
}
app = null;
?
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