本篇文章为大家展示了使用Aspose.Cells项目实现导入导出,内容简明扼要并且容易理解,绝对能使你眼前一亮,通过这篇文章的详细介绍希望你能有所收获。
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////实现基类
using System; using System.Collections.Generic; using System.Data; using System.Linq; using System.Reflection; using System.Text; using System.Threading.Tasks; using Aspose.Cells; namespace Lzd.Mvc.EasyUi.Common.ExcelUtil { /// /// Excel帮助类 /// public class ExcelUtil :BaseExcelUtil { private DataTable dt; private string title; public ExcelUtil() { } /// /// 从第几行开始读取 /// public int FirstRow { get; set; } /// /// 从第几列开始读取 /// public int FirstColumns { get; set; } /// /// excel标题 /// public string Title { get { return title; } set { title = value; } } private string fileName; /// /// 文件名 /// public string FileName { get { return fileName; } set { fileName = value; } } public DataTable Dt { get { return dt; } set { dt = value; } } public bool Flag { set; get; } /// /// ///导出设定值 public override void setValue(Workbook wb) { int index = 0; Worksheet ws = null; int rcount = dt.Rows.Count, columns = dt.Columns.Count; if (dt != null && dt.Rows.Count > 0) { index = wb.Worksheets.AddCopy(0); ws = wb.Worksheets[index]; ws.Name = FileName.Replace(".xls", ""); try { putValue(ws.Cells[0, 0], this.title); int i = 1; for (int j = 0; j < columns; j++) { putValue(ws.Cells[1, j], dt.Columns[j].ColumnName); } for (int j = 0; j < rcount; j++) { i++; for (int h = 0; h < columns; h++) { putValue(ws.Cells[i, h], dt.Rows[j][h].ToString()); } } wb.Worksheets.RemoveAt(0); } catch (Exception ex) { throw ex; } } } /// /// 导入excel /// /// 读取的文件名 /// 从第几行开始读取 /// 从第几列开始读取 /// /// public override DataTable getValue(Workbook wb) { Worksheet sheet = wb.Worksheets[0]; Cells cells = sheet.Cells; return cells.ExportDataTableAsString(FirstRow, FirstColumns, cells.MaxDataRow + 1, cells.MaxDataColumn + 1, true); } } }
/////导出调用方法
public ActionResult ToExcel() { List list = new List(); for (int i = 0; i < 100; i++) { UserInfo info = new UserInfo(); info.Age = i.ToString(); info.ID = i; info.Name = "姓名" + i; list.Add(info); } ///将list类型转换为datatable DataTable dt= DataTableHelper.IListToDataTable(list); //实例化帮助类 ExcelUtil exc = new ExcelUtil(); exc.Dt = dt; exc.FileName = "导出测试.xls"; exc.Title = "导出测试"; //需要写入的模板 string url = Server.MapPath("/Content/Down/template.xls"); byte[] data = exc.CreateExcel(url); //浏览器下载文件 Response.AppendHeader("Content-Disposition", "attachment; filename=" + exc.FileName);//HttpUtility.UrlEncode(r.FileName, Encoding.UTF8)); Response.ContentType = "application/ms-excel"; Response.AddHeader("Content-Length", data.Length.ToString()); Response.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8"); Response.BinaryWrite(data); System.Web.HttpContext.Current.ApplicationInstance.CompleteRequest(); return Content("ss"); }
///导入调用方法
public ActionResult ImportExcel() { string url = Server.MapPath("/Content/Down/Import.xls"); ExcelUtil exc = new ExcelUtil(); exc.FirstRow = 1; exc.FirstColumns = 0; DataTable dt= exc.GetExcel(url); return Content("ss"); }
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