批量替换文件夹里面的文本文件的指定字符

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 1         ///<summary>
 2 /// 初始化加载
 3 ///</summary>
 4         public static void Update()
 5         {
 6             //文件夹路径
 7             string path = @"D:\408";
 8             //获取文件夹
 9             DirectoryInfo dir = new DirectoryInfo(path);
10             GetFileInfo(path, dir);
11 
12         }
13         ///<summary>
14 /// 遍历文件夹下面的子文件
15 ///</summary>
16 ///<param name="pathFile">文件夹路径</param>
17 ///<param name="dir">文件夹名</param>
18         private static void GetFileInfo(string pathFile, DirectoryInfo dir)
19         {
20 
21             //获取文件夹下面的子文件
22             FileInfo[] dirInfo = dir.GetFiles();
23             DataTable dt = new DataTable();
24             //遍历子文件
25             foreach (FileInfo info in dirInfo)
26             {
27                 //子文件名称
28                 string filename = info.Name.ToString();
29                 Console.WriteLine(filename);
30                 htm(@"D:\408\" + filename);
31 
32             }
33 
34 
35         }
36         ///<summary>
37 /// 替换文件
38 ///</summary>
39 ///<param name="path">文本文件路径</param>
40         public static void  htm(string path)
41         {
42             string html = "";
43             using (Stream stream = new FileStream(path, FileMode.Open, FileAccess.Read))
44             {
45                 using (StreamReader reader = new StreamReader(stream))
46                 {
47                     html = reader.ReadToEnd().Trim();
48                     html = html.Replace("Ｄ", "D").Replace("Ｂ", "B").Replace("Ａ", "A").Replace("Ｃ", "C");
49                   
50                     
51                 }
52             }
53             DataInit(html, path);
54         }
55         ///<summary>
56 /// 保存问题换过的文本文件
57 ///</summary>
58 ///<param name="html">替换过的文件内容</param>
59 ///<param name="path">保存路径</param>
60         public static void DataInit(string html, string path)
61         {
62 
63             using (Stream stream = new FileStream(path, FileMode.Create, FileAccess.Write))
64             {
65                 using (StreamWriter writer = new StreamWriter(stream))
66                 {
67                     writer.Write(html);
68                 }
69             }
70         }