C#判断并且去除掉路径和文件名中的非法字符

 1/// <summary>
 2        /// 去除掉文名中的非法字符
 3        /// </summary>
 4        /// <param name="fileName"></param>
 5        /// <param name="repStr"></param>
 6        /// <returns></returns>
 7        public string invalidFileName(string fileName = "", string repStr = "_")
 8        {
 9            // 例如： fileName = "文件/名称"
10            foreach (char invalidChar in Path.GetInvalidFileNameChars())
11            {
12                fileName = fileName.Replace(invalidChar.ToString(), repStr);
13            }
14            //结果：文件_名称
15            return fileName;
16        }
17        /// <summary>
18        /// 去掉路径中的非法字符
19        /// </summary>
20        /// <param name="path"></param>
21        /// <param name="repStr"></param>
22        /// <returns></returns>
23        public string invalidPath(string path, string repStr = "_")
24        {
25            //剔除路径字符串中非法的字符
26            //例如 path = "路径\ds"
27            foreach (char invalidChar in Path.GetInvalidPathChars())
28            {
29                path = path.Replace(invalidChar.ToString(), repStr);
30            }
31
32            //结果：路径_ds
33            return path;
34        }