C# .net EXCEL

找了一個.net的工作，現在開始又可以專心研究.net了。呵呵，很開心。

對於.net操作excel在網上有很多的例子，這裏寫的是一個工作中的實例。

第一步，安裝excel，我電腦上安裝的是office2003。做好相應配置，關於如何配置網上有很多說明和資料。

第二步，添加excel組件的引用。

第三步，上面兩步順利完成後就可以編寫代碼了。

代碼實例如下。

 using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.IO; using DAL; using Model; using Excel; using System.Diagnostics; public partial class contract : pagebaseAdmin { protected kinderstatusViewModel modelkinder; protected void Page_Load(object sender, EventArgs e) { if (Request["schoolid"] != "" && Request["schoolid"] != null) { kinderstatusViewDal dalkinderstatus = new kinderstatusViewDal(); modelkinder = dalkinderstatus.GetModel(Convert.ToInt32(Request["schoolid"])); txtGardenName.Value = modelkinder.kname; } } protected void btnGenerate_Click(object sender, EventArgs e) { Excel.Application xlApp = null; Excel.Workbook xlWorkbook = null; //Excel.Worksheet xlWorksheet = null; //_Application xlApp = null; //_Workbook xlWorkbook = null; //_Worksheet xlWorksheet = null; //System.Reflection.Missing用於空參數的傳參 System.Reflection.Missing oMissing = System.Reflection.Missing.Value; //string saveAsPath = ""; //Request.PhysicalApplicationPath表示獲得文件的物理路徑 string path = Request.PhysicalApplicationPath+"upload//contract//幼兒園網站合同.xls"; string strName = string.Format("{0}網站合同_{1}{2}.xls", txtGardenName.Value.Trim(), PIUSERID, DateTime.Now.ToString("yyyyMMddHHss")); string saveAsPath = Request.PhysicalApplicationPath + string.Format("upload/contract/{0}", strName); try { xlApp = new ApplicationClass(); xlApp.Visible = true; //xlWorkbook = xlApp.Workbooks.Add(oMissing); //xlWorksheet = xlWorkbook.Worksheets.Add(oMissing, oMissing, 1, oMissing) as _Worksheet; //Add方法是生成一個excel文件，Open方法是打開一個已有的excel文件。 xlWorkbook = xlApp.Workbooks.Open(path, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, Excel.XlPlatform.xlWindows, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing); //((Microsoft.Office.Interop.Excel._Workbook)xlApp.Workbooks["幼兒園網站合同"]).Activate(); //激活指定的工作簿 ((Microsoft.Office.Interop.Excel._Worksheet)xlWorkbook.Sheets["Sheet1"]).Activate(); Excel.Worksheet sheet = (Excel.Worksheet)xlWorkbook.Sheets["Sheet1"]; string strStartDate = txtStartDate.Value; string strEndDate = txtEndDate.Value; string strGardenName = txtGardenName.Value; string strAmountUpper = txtAmountUpperCase.Value; string strAmountLower = txtAmountLowerCase.Value; string[] arrStartDate = strStartDate.Split('-'); string[] arrEndDate = strEndDate.Split('-'); string strRemark = txtRemark.Value; sheet.Cells[19, 12] = strAmountLower; sheet.Cells[20, 2] = "雙方一致同意在本合同履行期（" + arrStartDate[0] + "年" + arrStartDate[1] + "月" + arrStartDate[2] + "日—" + arrEndDate[0] + "年" + arrEndDate[1] + "月" + arrEndDate[2] + "日），乙方向甲方一次性支付服務費計人民幣 " + strAmountLower + " 元，該費用乙方於" + arrStartDate[0] + "年" + arrStartDate[1] + "月" + arrStartDate[2] + "日支付。"; sheet.Cells[41, 7] = strAmountLower; sheet.Cells[41, 11] = strAmountUpper; sheet.Cells[44, 3] = strRemark; sheet.Cells[48, 11] = strGardenName; sheet.Cells[50, 3] = arrStartDate[0]+"年"+arrStartDate[1]+"月"+arrStartDate[2]+"日"; sheet.Cells[50, 11] = arrEndDate[0]+"年"+arrEndDate[1]+"月"+arrEndDate[2]+"日"; //另存excel文件 xlWorkbook.SaveAs(saveAsPath, oMissing, oMissing, oMissing, oMissing, oMissing, Excel.XlSaveAsAccessMode.xlExclusive, oMissing, oMissing, oMissing, oMissing, oMissing); xlApp.Quit(); } finally { //因爲是非託管代碼，所以要自己調用垃圾回收----tengyang System.Runtime.InteropServices.Marshal.ReleaseComObject(xlApp); xlApp = null; GC.Collect(); //Dim myProcesses As Process() //殺死excel進程 Process[] myProcesses; myProcesses = Process.GetProcessesByName("EXCEL"); foreach(Process myProcess in myProcesses) { if (!myProcess.CloseMainWindow()) { myProcess.Kill(); } } } // Response.Write(); Download(strName,saveAsPath); } private void Download(string strFileName,string strFilePath){ //string strFilePath = Server.MapPath("~/makeword/") + Request.Params("Export") + ".doc"; //'Dim fi As New FileInfo(strFilePath) FileStream f = new FileStream(strFilePath, FileMode.Open); Byte []buffer=new Byte[f.Length] ; f.Read(buffer, 0, buffer.Length); f.Close(); Response.ContentType = "application/octet-stream"; Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(strFileName, System.Text.Encoding.UTF8)); Response.BinaryWrite(buffer); Response.Flush(); Response.End(); } }

需求很簡單，當點按鈕的時候，向一個excel模板裏的指定單元格插入數據，然後另存到本地。

代碼也很簡單。在此做個標記，以後有相似的需求就不用辛辛苦苦上網去一點點的找資料了，

而且看自己的代碼比看別人的代碼要舒服的多。

備註：1.對指定的單元格添加公式：

Microsoft.Office.Interop.Excel.Range range = (Microsoft.Office.Interop.Excel.Range)sheet.Cells[1, 1];
range.Formula = "=SUM(B1,B2)";