如何将dataGridview里面的数据导入excel，添加什么引用？有导入的类下载吗？

Question

vs2005 或2008,如何将datagridview里面的数据导入excel
我以前有这个类，vs2003+excel2003,可以导出。
现在vs2005，导入excel2007，添加什么引用，什么版本的？有这个对应的类下载吗？

Answer 1

public void CreateExcel()
{
int rowIndex=4;//行起始坐标
int colIndex=1;//列起始坐标
ApplicationClass myApp=null;
Workbook myBook=null;
Worksheet mySheet=null;
//如果文件不存在，则将模板文件拷贝一份作为输出文件
//这里如果通过File.Create来创建文件是不行的，因为xls
//的空文件也有固定的格式，跟文本不一样的，也许有其它
//通过程序直接生成excel的方法，大家可以尝试尝试的
if(!File.Exists(outFilePath))
{
File.Copy(inputFilePath,outFilePath,true);
}
myApp= new ApplicationClass();
myApp.Visible=false;
object oMissiong=System.Reflection.Missing.Value;
myApp.Workbooks.Open(outFilePath,oMissiong,oMissiong,oMissiong,oMissiong,
oMissiong,oMissiong,oMissiong,oMissiong,oMissiong,oMissiong,oMissiong,oMissiong);
myBook=myApp.Workbooks[1];
mySheet=(Worksheet)myBook.ActiveSheet;

//
//取得标题
//
foreach(DataColumn col in dv.Table.Columns)
{
colIndex++;
mySheet.Cells[4,colIndex] = col.ColumnName;
mySheet.get_Range(mySheet.Cells[4,colIndex],mySheet.Cells[4,colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;
//设置标题格式为居中对齐
}
//
//取得表格中的数据
//
foreach(DataRowView row in dv)
{
rowIndex ++;
colIndex = 1;
foreach(DataColumn col in dv.Table.Columns)
{
colIndex ++;
if(col.DataType == System.Type.GetType("System.DateTime"))
{
mySheet.Cells[rowIndex,colIndex] = (Convert.ToDateTime(row[col.ColumnName].ToString())).ToString("yyyy-MM-dd");
mySheet.get_Range(mySheet.Cells[rowIndex,colIndex],mySheet.Cells[rowIndex,colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置日期型的字段格式为居中对齐
}
else
if(col.DataType == System.Type.GetType("System.String"))
{
mySheet.Cells[rowIndex,colIndex] = "'"+row[col.ColumnName].ToString();
mySheet.get_Range(mySheet.Cells[rowIndex,colIndex],mySheet.Cells[rowIndex,colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置字符型的字段格式为居中对齐
}
else
{
mySheet.Cells[rowIndex,colIndex] = row[col.ColumnName].ToString();
}
}
}
//
//加载一个合计行
//
int rowSum = rowIndex + 1;
int colSum = 2;
mySheet.Cells[rowSum,2] = "合计";
mySheet.get_Range(mySheet.Cells[rowSum,2],mySheet.Cells[rowSum,2]).HorizontalAlignment = XlHAlign.xlHAlignCenter;
//
//设置选中的部分的颜色
//
mySheet.get_Range(mySheet.Cells[rowSum,colSum],mySheet.Cells[rowSum,colIndex]).Select();
mySheet.get_Range(mySheet.Cells[rowSum,colSum],mySheet.Cells[rowSum,colIndex]).Interior.ColorIndex = 19;//设置为浅黄色，共计有56种
//
//取得整个报表的标题
//
mySheet.Cells[2,2] = title;
//
//设置整个报表的标题格式
//
mySheet.get_Range(mySheet.Cells[2,2],mySheet.Cells[2,2]).Font.Bold = true;
mySheet.get_Range(mySheet.Cells[2,2],mySheet.Cells[2,2]).Font.Size = 22;
//
//设置报表表格为最适应宽度
//
mySheet.get_Range(mySheet.Cells[4,2],mySheet.Cells[rowSum,colIndex]).Select();
mySheet.get_Range(mySheet.Cells[4,2],mySheet.Cells[rowSum,colIndex]).Columns.AutoFit();
//
//设置整个报表的标题为跨列居中
//
mySheet.get_Range(mySheet.Cells[2,2],mySheet.Cells[2,colIndex]).Select();
mySheet.get_Range(mySheet.Cells[2,2],mySheet.Cells[2,colIndex]).HorizontalAlignment = XlHAlign.xlHAlignCenterAcrossSelection;
//
//绘制边框
//
mySheet.get_Range(mySheet.Cells[4,2],mySheet.Cells[rowSum,colIndex]).Borders.LineStyle = 1;
mySheet.get_Range(mySheet.Cells[4,2],mySheet.Cells[rowSum,2]).Borders[XlBordersIndex.xlEdgeLeft].Weight = XlBorderWeight.xlThick;//设置左边线加粗
mySheet.get_Range(mySheet.Cells[4,2],mySheet.Cells[4,colIndex]).Borders[XlBordersIndex.xlEdgeTop].Weight = XlBorderWeight.xlThick;//设置上边线加粗
mySheet.get_Range(mySheet.Cells[4,colIndex],mySheet.Cells[rowSum,colIndex]).Borders[XlBordersIndex.xlEdgeRight].Weight = XlBorderWeight.xlThick;//设置右边线加粗
mySheet.get_Range(mySheet.Cells[rowSum,2],mySheet.Cells[rowSum,colIndex]).Borders[XlBordersIndex.xlEdgeBottom].Weight = XlBorderWeight.xlThick;//设置下边线加粗
myBook.Save();;
myBook.Close( true,outFilePath,true);
System.Runtime.InteropServices.Marshal.ReleaseComObject(mySheet);
System.Runtime.InteropServices.Marshal.ReleaseComObject(myBook);
System.Runtime.InteropServices.Marshal.ReleaseComObject(myApp);
GC.Collect();

}
==========================Excel操作类C#版的==========================

//引入Excel的COM组件

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Microsoft.Office.Interop;
using Microsoft.Office.Core;

namespace ExcelEdit
{
/// <summary>
/// ExcelEdit 的摘要说明
/// </summary>
public class ExcelEdit
{
public string mFilename;
public Excel.Application app;
public Excel.Workbooks wbs;
public Excel.Workbook wb;
public Excel.Worksheets wss;
public Excel.Worksheet ws;
public ExcelEdit()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
public void Create()//创建一个Excel对象
{
app = new Excel.Application();
wbs = app.Workbooks;
wb = wbs.Add(true);
}
public void Open(string FileName)//打开一个Excel文件
{
app = new Excel.Application();
wbs = app.Workbooks;
wb = wbs.Add(FileName);
//wb = wbs.Open(FileName, 0, true, 5,"", "", true, Excel.XlPlatform.xlWindows, "\t", false, false, 0, true,Type.Missing,Type.Missing);
//wb = wbs.Open(FileName,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Excel.XlPlatform.xlWindows,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing);
mFilename = FileName;
}
public Excel.Worksheet GetSheet(string SheetName)//获取一个工作表
{
Excel.Worksheet s = (Excel.Worksheet)wb.Worksheets[SheetName];
return s;
}
public Excel.Worksheet AddSheet(string SheetName)//添加一个工作表
{
Excel.Worksheet s = (Excel.Worksheet)wb.Worksheets.Add(Type.Missing,Type.Missing,Type.Missing,Type.Missing);
s.Name = SheetName;
return s;
}

public void DelSheet(string SheetName)//删除一个工作表
{
((Excel.Worksheet)wb.Worksheets[SheetName]).Delete();
}
public Excel.Worksheet ReNameSheet(string OldSheetName, string NewSheetName)//重命名一个工作表一
{
Excel.Worksheet s = (Excel.Worksheet)wb.Worksheets[OldSheetName];
s.Name = NewSheetName;
return s;
}

public Excel.Worksheet ReNameSheet(Excel.Worksheet Sheet, string NewSheetName)//重命名一个工作表二
{

Sheet.Name = NewSheetName;

return Sheet;
}

public void SetCellValue(Excel.Worksheet ws, int x, int y, object value)//ws：要设值的工作表 X行Y列 value 值
{
ws.Cells[x, y] = value;
}
public void SetCellValue(string ws, int x, int y, object value)//ws：要设值的工作表的名称 X行Y列 value 值
{

GetSheet(ws).Cells[x, y] = value;
}

public void SetCellProperty(Excel.Worksheet ws, int Startx, int Starty, int Endx, int Endy, int size, string name, Excel.Constants color, Excel.Constants HorizontalAlignment)//设置一个单元格的属性 字体， 大小，颜色 ，对齐方式
{
name = "宋体";
size = 12;
color = Excel.Constants.xlAutomatic;
HorizontalAlignment = Excel.Constants.xlRight;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Name = name;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Size = size;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Color = color;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).HorizontalAlignment = HorizontalAlignment;
}

public void SetCellProperty(string wsn, int Startx, int Starty, int Endx, int Endy, int size, string name, Excel.Constants color, Excel.Constants HorizontalAlignment)
{
//name = "宋体";
//size = 12;
//color = Excel.Constants.xlAutomatic;
//HorizontalAlignment = Excel.Constants.xlRight;

Excel.Worksheet ws = GetSheet(wsn);
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Name = name;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Size = size;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Color = color;

ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).HorizontalAlignment = HorizontalAlignment;
}

public void UniteCells(Excel.Worksheet ws, int x1, int y1, int x2, int y2)//合并单元格
{
ws.get_Range(ws.Cells[x1, y1], ws.Cells[x2, y2]).Merge(Type.Missing);
}

public void UniteCells(string ws, int x1, int y1, int x2, int y2)//合并单元格
{
GetSheet(ws).get_Range(GetSheet(ws).Cells[x1, y1], GetSheet(ws).Cells[x2, y2]).Merge(Type.Missing);

}

public void InsertTable(System.Data.DataTable dt, string ws, int startX, int startY)//将内存中数据表格插入到Excel指定工作表的指定位置 为在使用模板时控制格式时使用一
{

for (int i = 0; i <= dt.Rows.Count - 1; i++)
{
for (int j = 0; j <= dt.Columns.Count - 1; j++)
{
GetSheet(ws).Cells[startX+i, j + startY] = dt.Rows[i][j].ToString();

}

}

}
public void InsertTable(System.Data.DataTable dt, Excel.Worksheet ws, int startX, int startY)//将内存中数据表格插入到Excel指定工作表的指定位置二
{

for (int i = 0; i <= dt.Rows.Count - 1; i++)
{
for (int j = 0; j <= dt.Columns.Count - 1; j++)
{

ws.Cells[startX+i, j + startY] = dt.Rows[i][j];

}

}

}

public void AddTable(System.Data.DataTable dt, string ws, int startX, int startY)//将内存中数据表格添加到Excel指定工作表的指定位置一
{

for (int i = 0; i <= dt.Rows.Count - 1; i++)
{
for (int j = 0; j <= dt.Columns.Count - 1; j++)
{

GetSheet(ws).Cells[i + startX, j + startY] = dt.Rows[i][j];

}

}

}
public void AddTable(System.Data.DataTable dt, Excel.Worksheet ws, int startX, int startY)//将内存中数据表格添加到Excel指定工作表的指定位置二
{

for (int i = 0; i <= dt.Rows.Count - 1; i++)
{
for (int j = 0; j <= dt.Columns.Count - 1; j++)
{

ws.Cells[i + startX, j + startY] = dt.Rows[i][j];

}
}

}