.NET Office 파일 내용 읽기(word, excel, ppt)

참조 네임스페이스

1 using Microsoft.Office.Core;
2 using Word = Microsoft.Office.Interop.Word;
3 using Excel = Microsoft.Office.Interop.Excel;
4 using PowerPoint = Microsoft.Office.Interop.PowerPoint;

Word 파일 읽기

 1  public string ReadFile()
 2         {
 3             string text = string.Empty;
 4             Word.ApplicationClass app = null;
 5             Word.Document doc = null;
 6             object readOnly = true;
 7             object missing = System.Reflection.Missing.Value;
 8             object fileName = this.FileInstance.FullName;
 9             try
10             {
11                 app = new Microsoft.Office.Interop.Word.ApplicationClass();
12                 doc = app.Documents.Open(ref fileName, ref missing, ref readOnly, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing);
13                 text = doc.Content.Text.Replace("\r", string.Empty).Replace("
", string.Empty).Replace("\t", string.Empty);
14             }
15             catch
16             {
17                 
18             }
19             finally
20             {
21                 doc.Close(ref missing, ref missing, ref missing);
22                 doc = null;
23                 app.Quit(ref missing, ref missing, ref missing);
24                 app = null;
25             }
26             return text;
27         }

Excel 파일 읽기

 1 public string ReadFile()
 2         {
 3             string text = string.Empty;
 4             Excel.ApplicationClass app = null;
 5             Excel.Workbook book = null;
 6             object readOnly = true;
 7             object missing = System.Reflection.Missing.Value;
 8             object fileName = this.FileInstance.FullName;
 9             try
10             {
11                 app = new Microsoft.Office.Interop.Excel.ApplicationClass();
12                 book = app.Workbooks.Open(fileName.ToString(), missing, readOnly, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing);
13                 foreach (Excel.Worksheet sheet in book.Sheets)
14                 {
15                     for (int i = 1; i <= sheet.UsedRange.Cells.Rows.Count; i++)
16                     {
17                         for (int j = 1; j <= sheet.UsedRange.Cells.Columns.Count; j++)
18                         {
19                             text += ((Excel.Range)sheet.Cells[i, j]).Text.ToString().Replace("\r", string.Empty).Replace("
", string.Empty).Replace("\t", string.Empty) + " ";
20                         }
21                     }
22                 }
23             }
24             catch
25             {
26 
27             }
28             finally
29             {
30                 book.Close(missing, fileName, missing);
31                 book = null;
32                 app.Quit();
33                 app = null;
34             }
35             return text;
36         }

PPT 파일 읽기

 1  public override string ReadFile()
 2         {
 3             string text = string.Empty;
 4             PowerPoint.ApplicationClass app = null;
 5             PowerPoint.Presentation pp = null;
 6             object readOnly = true;
 7             object missing = System.Reflection.Missing.Value;
 8             object fileName = this.FileInstance.FullName;
 9 
10             try
11             {
12                 app = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
13                 pp = app.Presentations.Open(fileName.ToString(), Microsoft.Office.Core.MsoTriState.msoTrue, Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoFalse);
14 
15                 foreach (PowerPoint.Slide slide in pp.Slides)
16                 {
17                     foreach (PowerPoint.Shape shape in slide.Shapes)
18                     {
19                         text += shape.TextFrame.TextRange.Text.Replace("\r", string.Empty).Replace("
", string.Empty).Replace("\t", string.Empty) + " ";
20                     }
21                 }               
22             }
23             catch
24             {
25 
26             }
27             finally
28             {
29                 pp.Close();
30                 pp = null;
31                 app.Quit();
32                 app = null;
33             }
34 
35             return text;
36         }