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本篇文章為大家展示了使用Aspose.Cells項(xiàng)目實(shí)現(xiàn)導(dǎo)入導(dǎo)出,內(nèi)容簡明扼要并且容易理解,絕對能使你眼前一亮,通過這篇文章的詳細(xì)介紹希望你能有所收獲。
using System; using System.Collections.Generic; using System.Data; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; using Aspose.Cells; namespace Lzd.Mvc.EasyUi.Common.ExcelUtil { /// /// excel操作基類 /// /// public class BaseExcelUtil { private Workbook m_Wb = null; /// /// 生成Excel /// /// 模板Excel的路徑+文件名 /// Excel文件的字節(jié)對象 public byte[] CreateExcel(string url) { FileStream fs = null; try { //讀取模板Excel文件的中內(nèi)容 fs = new FileStream(url, FileMode.Open, FileAccess.Read, FileShare.Read); m_Wb = new Workbook(); m_Wb.Open(fs); setValue(m_Wb); //轉(zhuǎn)換為字節(jié)對象并返回 return m_Wb.SaveToStream().ToArray(); } catch (Exception ex) { throw ex; } finally { fs.Close(); } } /// /// 設(shè)定Excel中的數(shù)據(jù) /// 數(shù)據(jù)源為datable類型 /// /// 工作簿 public virtual void setValue(Workbook wb) { throw new Exception("The method or operation is not implemented."); } /// /// 讀取Excel /// /// Excel的路徑+文件名 /// Excel文件的字節(jié)對象 public DataTable GetExcel(string url) { FileStream fs = null; try { //讀取Excel文件的中內(nèi)容 fs = new FileStream(url, FileMode.Open, FileAccess.Read, FileShare.Read); m_Wb = new Workbook(); m_Wb.Open(fs); //設(shè)定Excel中的數(shù)據(jù) return getValue(m_Wb); } finally { fs.Close(); } } /// /// 取得Excel中的數(shù)據(jù) /// /// 工作簿 public virtual DataTable getValue(Workbook wb) { throw new Exception("The method or operation is not implemented."); } /// /// 設(shè)置字符串值 /// /// /// public void putValue(Cell c, object value) { try { if (value == null || object.Equals(value, DBNull.Value) || value.ToString().Trim().Length == 0) { } else { c.PutValue(value.ToString()); } } catch (Exception) { c.PutValue("--"); } } /// /// 設(shè)置數(shù)值值 /// /// /// public void putValueDouble(Cell c, object value) { try { if (value == null || object.Equals(value, DBNull.Value) || value.ToString().Trim().Length == 0) { } else { c.PutValue(Decimal.Parse(value.ToString())); } } catch (Exception) { c.PutValue(value.ToString()); } } /// /// 設(shè)置日期值 /// /// /// public void putDateValue(Cell c, object value) { try { if (value == null || object.Equals(value, DBNull.Value) || value.ToString().Trim().Length == 0) { } else { c.PutValue(DateTime.Parse(value.ToString())); } } catch (Exception) { c.PutValue(value.ToString()); } } } }
////實(shí)現(xiàn)基類
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幫助類 /// public class ExcelUtil :BaseExcelUtil { private DataTable dt; private string title; public ExcelUtil() { } /// /// 從第幾行開始讀取 /// public int FirstRow { get; set; } /// /// 從第幾列開始讀取 /// public int FirstColumns { get; set; } /// /// excel標(biāo)題 /// 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; } /// /// ///導(dǎo)出設(shè)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; } } } /// /// 導(dǎo)入excel /// /// 讀取的文件名 /// 從第幾行開始讀取 /// 從第幾列開始讀取 /// /// 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); } } }
/////導(dǎo)出調(diào)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); } ///將list類型轉(zhuǎn)換為datatable DataTable dt= DataTableHelper.IListToDataTable(list); //實(shí)例化幫助類 ExcelUtil exc = new ExcelUtil(); exc.Dt = dt; exc.FileName = "導(dǎo)出測試.xls"; exc.Title = "導(dǎo)出測試"; //需要寫入的模板 string url = Server.MapPath("/Content/Down/template.xls"); byte[] data = exc.CreateExcel(url); //瀏覽器下載文件 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"); }
///導(dǎo)入調(diào)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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