使用NOPI读取Excel的例子很多，读取Word的例子不多。
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Excel的解析方式有多中，可以使用ODBC查询，把Excel作为一个数据集对待。也可以使用文档结构模型的方式进行解析，即解析Workbook（工作簿）、Sheet、Row、Column。
Word的解析比较复杂，因为Word的文档结构模型定义较为复杂。解析Word或者Excel，关键是理解Word、Excel的文档对象模型。
Word、Excel文档对象模型的解析，可以通过COM接口调用，此类方式使用较广。（可以录制宏代码，然后替换为对应的语言）
也可以使用XML模型解析，尤其是对于2007、2010版本的文档的解析。
using NPOI.POIFS.FileSystem;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using NPOI.XWPF.UserModel;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Text;
namespace eyuan
{
public static class NOPIHandler
{
///
///
///
///
///
public static List>> ReadExcel(string fileName)
{
//打开Excel工作簿
XSSFWorkbook hssfworkbook = null;
try
{
using (FileStream file = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
hssfworkbook = new XSSFWorkbook(file);
}
}
catch (Exception e)
{
LogHandler.LogWrite(string.Format("文件{0}打开失败，错误：{1}", new string[] { fileName, e.ToString() }));
}
//循环Sheet页
int sheetsCount = hssfworkbook.NumberOfSheets;
List>> workBookContent = new List>>();
for (int i = 0; i < sheetsCount; i++)
{
//Sheet索引从0开始
ISheet sheet = hssfworkbook.GetSheetAt(i);
//循环行
List> sheetContent = new List>();
int rowCount = sheet.PhysicalNumberOfRows;
for (int j = 0; j < rowCount; j++)
{
//Row（逻辑行）的索引从0开始
IRow row = sheet.GetRow(j);
//循环列（各行的列数可能不同）
List rowContent = new List();
int cellCount = row.PhysicalNumberOfCells;
for (int k = 0; k < cellCount; k++)
{
//ICell cell = row.GetCell(k);
ICell cell = row.Cells[k];
if (cell == null)
{
rowContent.Add("NIL");
}
else
{
rowContent.Add(cell.ToString());
//rowContent.Add(cell.StringCellValue);
}
}
//添加行到集合中
sheetContent.Add(rowContent);
}
//添加Sheet到集合中
workBookContent.Add(sheetContent);
}
return workBookContent;
}
///
///
///
///
///
public static string ReadExcelText(string fileName)
{
string ExcelCellSeparator = ConfigurationManager.AppSettings["ExcelCellSeparator"];
string ExcelRowSeparator = ConfigurationManager.AppSettings["ExcelRowSeparator"];
string ExcelSheetSeparator = ConfigurationManager.AppSettings["ExcelSheetSeparator"];
//
List>> excelContent = ReadExcel(fileName);
string fileText = string.Empty;
StringBuilder sbFileText = new StringBuilder();
//循环处理WorkBook中的各Sheet页
List>>.Enumerator enumeratorWorkBook = excelContent.GetEnumerator();
while (enumeratorWorkBook.MoveNext())
{
//循环处理当期Sheet页中的各行
List>.Enumerator enumeratorSheet = enumeratorWorkBook.Current.GetEnumerator();
while (enumeratorSheet.MoveNext())
{
string[] rowContent = enumeratorSheet.Current.ToArray();
sbFileText.Append(string.Join(ExcelCellSeparator, rowContent));
sbFileText.Append(ExcelRowSeparator);
}
sbFileText.Append(ExcelSheetSeparator);
}
//
fileText = sbFileText.ToString();
return fileText;
}
///
/// 读取Word内容
///
///
///
public static string ReadWordText(string fileName)
{
string WordTableCellSeparator = ConfigurationManager.AppSettings["WordTableCellSeparator"];
string WordTableRowSeparator = ConfigurationManager.AppSettings["WordTableRowSeparator"];
string WordTableSeparator = ConfigurationManager.AppSettings["WordTableSeparator"];
//
string CaptureWordHeader = ConfigurationManager.AppSettings["CaptureWordHeader"];
string CaptureWordFooter = ConfigurationManager.AppSettings["CaptureWordFooter"];
string CaptureWordTable = ConfigurationManager.AppSettings["CaptureWordTable"];
string CaptureWordImage = ConfigurationManager.AppSettings["CaptureWordImage"];
//
string CaptureWordImageFileName = ConfigurationManager.AppSettings["CaptureWordImageFileName"];
//
string fileText = string.Empty;
StringBuilder sbFileText = new StringBuilder();
#region 打开文档
XWPFDocument document = null;
try
{
using (FileStream file = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
document = new XWPFDocument(file);
}
}
catch (Exception e)
{
LogHandler.LogWrite(string.Format("文件{0}打开失败，错误：{1}", new string[] { fileName, e.ToString() }));
}
#endregion
#region 页眉、页脚
//页眉
if (CaptureWordHeader == "true")
{
sbFileText.AppendLine("Capture Header Begin");
foreach (XWPFHeader xwpfHeader in document.HeaderList)
{
sbFileText.AppendLine(string.Format("{0}", new string[] { xwpfHeader.Text }));
}
sbFileText.AppendLine("Capture Header End");
}
//页脚
if (CaptureWordFooter == "true")
{
sbFileText.AppendLine("Capture Footer Begin");
foreach (XWPFFooter xwpfFooter in document.FooterList)
{
sbFileText.AppendLine(string.Format("{0}", new string[] { xwpfFooter.Text }));
}
sbFileText.AppendLine("Capture Footer End");
}
#endregion
#region 表格
if (CaptureWordTable == "true")
{
sbFileText.AppendLine("Capture Table Begin");
foreach (XWPFTable table in document.Tables)
{
//循环表格行
foreach (XWPFTableRow row in table.Rows)
{
foreach (XWPFTableCell cell in row.GetTableCells())
{
sbFileText.Append(cell.GetText());
//
sbFileText.Append(WordTableCellSeparator);
}
sbFileText.Append(WordTableRowSeparator);
}
sbFileText.Append(WordTableSeparator);
}
sbFileText.AppendLine("Capture Table End");
}
#endregion
#region 图片
if (CaptureWordImage == "true")
{
sbFileText.AppendLine("Capture Image Begin");
foreach (XWPFPictureData pictureData in document.AllPictures)
{
string picExtName = pictureData.suggestFileExtension();
string picFileName = pictureData.GetFileName();
byte[] picFileContent = pictureData.GetData();
//
string picTempName = string.Format(CaptureWordImageFileName, new string[] { Guid.NewGuid().ToString() + "_" + picFileName + "." + picExtName });
//
using (FileStream fs = new FileStream(picTempName, FileMode.Create, FileAccess.Write))
{
fs.Write(picFileContent, 0, picFileContent.Length);
fs.Close();
}
//
sbFileText.AppendLine(picTempName);
}
sbFileText.AppendLine("Capture Image End");
}
#endregion
//正文段落
sbFileText.AppendLine("Capture Paragraph Begin");
foreach (XWPFParagraph paragraph in document.Paragraphs)
{
sbFileText.AppendLine(paragraph.ParagraphText);
}
sbFileText.AppendLine("Capture Paragraph End");
//
//
fileText = sbFileText.ToString();
return fileText;
}
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。
本文题目：使用NOPI读取Word、Excel文档内容
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