c#获取txt，word，excel文档内容方法

  

     获取txt文档的内容 

 1 public string ResumeTxt(string path)
 2 {
 3    string str = string.Empty;
 4        
 5    StreamReader reader = new StreamReader(path, System.Text.Encoding.Default);
 6    str = reader.ReadToEnd();
 7  
 8    //再通过查询解析出来的的字符串有没有GB2312 的字段，来判断是否是GB2312格式的，如果是，则重新以GB2312的格式解析
 9    Regex reGB = new Regex("GB2312", RegexOptions.IgnoreCase);
10    Match mcGB = reGB.Match(str);
11    if (mcGB.Success)
12    {
13        StreamReader reader2 = new StreamReader(path, System.Text.Encoding.GetEncoding("GB2312"));
14        str = reader2.ReadToEnd();
15    }
16  
17    return str;
18 } 19 

    获取word文档的内容

 

 1 private string ResumeWord(string path)
 2 {
 3    string str = string.Empty;
 4    Document myWordDoc; 
 5    Microsoft.Office.Interop.Word.Application myWordApp = new Microsoft.Office.Interop.Word.ApplicationClass();
 6  
 7    object filepath = path;
 8    object oMissing = Missing.Value;
 9   
10    myWordDoc = myWordApp.Documents.Open(ref filepath, ref oMissing, ref oMissing, ref oMissing, ref oMissing,
11          ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing,
12          ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing);
13    str = myWordDoc.Content.Text;
14  
15    return str;
16 } 

    获取Excel文档的内容
 

 1 private string ResumeExcel(string path)
 2 {
 3    string str = string.Empty;
 4    //创建Application对象
 5     Microsoft.Office.Interop.Excel.Application xApp = new Microsoft.Office.Interop.Excel.ApplicationClass();
 6    xApp.Visible = false;
 7  
 8  
 9    //得到WorkBook对象,
10    Microsoft.Office.Interop.Excel.Workbook xBook = xApp.Workbooks._Open(path,
11          Missing.Value, Missing.Value, Missing.Value, Missing.Value,
12          Missing.Value, Missing.Value, Missing.Value, Missing.Value,
13          Missing.Value, Missing.Value, Missing.Value, Missing.Value);
14  
15    //指定要操作的Sheet:
16    Microsoft.Office.Interop.Excel.Worksheet xSheet = (Microsoft.Office.Interop.Excel.Worksheet)xBook.Sheets[1];
17  
18    //读取，通过Range对象，但使用不同的接口得到Range
19    for (int i = 1; i <= 100; i++)
20    {
21        for (int j = 1; j <= 100; j++)
22        {
23            Microsoft.Office.Interop.Excel.Range rng = (Microsoft.Office.Interop.Excel.Range)xSheet.Cells[i, j];
24            if (rng.Value2 != null)
25            {
26                str += rng.Value2.ToString();
27            }
28        }
29     }
30  
31      return str;
32 }