cyf
75 lines
2.4 KiB
C#
75 lines
2.4 KiB
C#
/******************************
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* 说明：Excel操作相关类
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* 创建人：龚宇超
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* 创建日期：2017-11-15
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* 修改人：
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* 修改日期：
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* 修改备注：
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* 版本：1.0.0.0
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******************************/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.IO;
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using NPOI.HSSF.UserModel;
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using NPOI.SS.UserModel;
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using NPOI.XSSF.UserModel;
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namespace Lskj.Util
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{
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/// <summary>
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/// Excel操作相关类
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/// </summary>
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public sealed class ExcelHelper
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{
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/// <summary>
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/// <para>说明：</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-15 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="fileName">Name of the file.</param>
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/// <returns>ISheet.</returns>
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public static HSSFWorkbook GetExcelWorkbook(string fileName)
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{
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HSSFWorkbook hssfworkbook;
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using (FileStream file = new FileStream(fileName, FileMode.Open, FileAccess.Read))
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{
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hssfworkbook = new HSSFWorkbook(file);
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}
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return hssfworkbook;
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}
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/// <summary>
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/// <para>说明：获取Sheet</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-15 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="sheetIndex">默认取第一个Sheet</param>
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/// <returns>ISheet.</returns>
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public static ISheet GetSheet(string fileName, int sheetIndex = 0)
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{
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if (string.IsNullOrEmpty(fileName)) return null;
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string fileExt = Path.GetExtension(fileName).ToLower();
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//HSSFWorkbook workbook = GetExcelWorkbook(fileName);
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FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
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IWorkbook workbook=null;
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if (fileExt == ".xlsx")
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{
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workbook = new XSSFWorkbook(fs);
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}else if (fileExt == ".xls")
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{
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workbook = new HSSFWorkbook(fs);
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}
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return workbook.GetSheetAt(0);
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}
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}
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}
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