脚本宝典收集整理的这篇文章主要介绍了使用Aspose.Cells实现导入导出，脚本宝典觉得挺不错的，现在分享给大家，也给大家做个参考。
本文实例为大家分享了Aspose.Cells实现导入导出的具体代码，供大家参考，具体内容如下
这是自己整理的导入导出类,里面有注释。
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操作基类 /// /// public class BaseExcelUtil { PRivate WorkBook m_Wb = null; /// /// 生成Excel /// /// 模板Excel的路径+文件名 /// Excel文件的字节对象 public byte[] CreateExcel(string url) { FileStream fs = null; try { //读取模板Excel文件的中内容 fs = new FileStream(url, FileMode.OPEn, FileAccess.Read, FileShare.Read); m_Wb = new Workbook(); m_Wb.Open(fs); setValue(m_Wb); //转换为字节对象并返回 return m_Wb.SaveToStream().ToArray(); } catch (Exception ex) { throw ex; } finally { fs.Close(); } } /// /// 设定Excel中的数据 /// 数据源为datable类型 /// /// 工作簿 public virtual void setValue(Workbook wb) { throw new Exception("The method or operation is not implemented."); } /// /// 读取Excel /// /// Excel的路径+文件名 /// Excel文件的字节对象 public DataTable GetExcel(string url) { FileStream fs = null; try { //读取Excel文件的中内容 fs = new FileStream(url, FileMode.Open, FileAccess.Read, FileShare.Read); m_Wb = new Workbook(); m_Wb.Open(fs); //设定Excel中的数据 return getValue(m_Wb); } finally { fs.Close(); } } /// /// 取得Excel中的数据 /// /// 工作簿 public virtual DataTable getValue(Workbook wb) { throw new Exception("The method or operation is not implemented."); } /// /// 设置字符串值 /// /// /// 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("--"); } } /// /// 设置数值值 /// /// /// 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()); } } /// /// 设置日期值 /// /// /// 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()); } } } }
////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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