vue 實現帶模板的EXCEL匯出

 var xhr = new XMLHttpRequest()

      var url = window.SITE_CONFIG['baseUrl'] + 'Api/Arrange/ExportPerListByTimeDoc'

      var filename = this.myDateType === 'DAY' ? '1.docx' : '2.xls'

      xhr.open('post', url, true)

      xhr.responseType = 'blob'

      xhr.setRequestHeader('Content-Type', 'application/json; charset=utf-8')

      xhr.setRequestHeader('Authorization', 'BasicAuth123 ')

      xhr.onreadystatechange = function () {

        if (this.readyState === 4) {

          if (this.status === 200) {

            if (this.response.type === 'application/ms-excel') {

              var eleLink = document.createElement('a')

              eleLink.download = filename

              eleLink.style.display = 'none'

              var blob = new Blob([this.response], {

                type: 'application/ms-excel'

              })

              eleLink.href = URL.createObjectURL(blob)

              document.body.appendChild(eleLink)

              eleLink.click()

              document.body.removeChild(eleLink)

              // showObj.loading = false

            } else if (this.response.type === 'application/ms-world') {

              var eleLink1 = document.createElement('a')

              eleLink1.download = filename

              eleLink1.style.display = 'none'

              var blob1 = new Blob([this.response], {

                type: 'application/ms-world'

              })

              eleLink1.href = URL.createObjectURL(blob1)

              document.body.appendChild(eleLink1)

              eleLink1.click()

              document.body.removeChild(eleLink1)

            }

          }

        }

      }

      xhr.send(JSON.stringify(postData))

 string filenname = null;

                try

                {

                    string pathMsg = System.Web.HttpContext.Current.Server.MapPath("/"); //獲得應用程式根目錄所在的位置.

                    string path = pathMsg + @"Download";//檔案複製到的位置

                    if (!Directory.Exists(path))

                    {

                        Directory.CreateDirectory(path);

                    }

                    string tempaltePath = pathMsg + @"ExportTemplate/" + copyTempName; //要拷貝的模板

                    filenname = Path.Combine(path, expName + DateTime.Now.ToString("yyyyMMddHHmmssms") + @".xls");

                    FileInfo info = new FileInfo(tempaltePath);//獲得要拷貝的模板

                    info.CopyTo(filenname);                    //將模板拷貝到指定位置

                    XSSFWorkbook hssfworkbookDown;

                    using (FileStream file = new FileStream(filenname, FileMode.Open, FileAccess.Read))

                    {

                        hssfworkbookDown = new XSSFWorkbook(file);

                        file.Close();

                    }

                    XSSFSheet FirstSheet = (XSSFSheet)hssfworkbookDown.GetSheet(sheetName);
                    //這裡寫操作邏輯  我給你寫個對單元格操作的例子
                     

XSSFCell cell1 = (XSSFCell)FirstSheet.GetRow(i + 4).CreateCell(0);
                     cell1.CellStyle.BorderBottom = BorderStyle.Thin;//設定單元格邊框
                     cell1.SetCellValue(listMsg[i].USER_NAME);//單元格賦值

                    FileStream files = new FileStream(filenname, FileMode.Create);

                    hssfworkbookDown.Write(files);

                    MemoryStream ms = new MemoryStream();

                    hssfworkbookDown.Write(ms);

                    System.Web.HttpContext.Current.Response.Clear();

                    System.Web.HttpContext.Current.Response.Buffer = true;

                    System.Web.HttpContext.Current.Response.Charset = "utf-8";

                    System.Web.HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=xxx.xls");

                    System.Web.HttpContext.Current.Response.ContentEncoding = Encoding.UTF8;

                    System.Web.HttpContext.Current.Response.ContentType = "application/ms-excel";

                    System.Web.HttpContext.Current.Response.BinaryWrite(ms.ToArray());

                    System.Web.HttpContext.Current.Response.End();

                    files.Close();

                    files.Dispose();