NPOI處理Word文本中上下角標

讀取Word文檔，並將文本轉成html標簽，後面發現，經常有帶上下角標的內容，於是一併處理了。

核心在於對XWPFRun對象中Subscript屬性的處理。

 1         /// <summary>
 2         /// 讀取Word,並識別文本中的上下角標
 3         /// </summary>
 4         /// <param name="fileName"></param>
 5         /// <returns></returns>
 6         public static string ReadWordTextExWithSubscript(string fileName)
 7         {
 8 
 9             string fileText = string.Empty;
10             StringBuilder sbFileText = new StringBuilder();
11 
12             #region 打開文檔
13             XWPFDocument document = null;
14             try
15             {
16                 using (FileStream file = new FileStream(fileName, FileMode.Open, FileAccess.Read))
17                 {
18                     document = new XWPFDocument(file);
19                 }
20             }
21             catch (Exception e)
22             {
23                 throw e;
24             }
25             #endregion
26             //正文段落
27             foreach (XWPFParagraph paragraph in document.Paragraphs)
28             {
29                 //獲取段樓中的句列表
30                 IList<XWPFRun> runsLists = paragraph.Runs;
31 
32                 sbFileText.Append("<p>");
33                 foreach (XWPFRun run in runsLists)
34                 {
35                     switch (run.Subscript)
36                     {
37                         case VerticalAlign.BASELINE:
38                             sbFileText.Append(run.Text);
39                             break;
40                         //上角標
41                         case VerticalAlign.SUPERSCRIPT:
42                             sbFileText.Append("<sup>" + run.Text + "</sup>");
43                             break;
44                         //下角標
45                         case VerticalAlign.SUBSCRIPT:
46                             sbFileText.Append("<sub>" + run.Text + "</sub>");
47                             break;
48                         default:
49                             sbFileText.Append(run.Text);
50                             break;
51                     }
52                     
53                 }
54                 sbFileText.AppendLine("</p>");
55             }
56             fileText = sbFileText.ToString();
57 
58             return fileText;
59         }

Word文檔：

輸出：

<p>測試^上_下ok。</p>
<p>CO₂</p>
<p>面積約6000km²</p>

Html預覽：