C# 读取文件流

 1 /// <summary>
 2 /// 读取文件流
 3 /// </summary>
 4 /// <param name="filePath"></param>
 5 /// <returns></returns>
 6 public static byte[] ReadFileStream(string filePath)
 7 {
 8     Stream source = null;
 9     byte[] readBytes = null;
10     try
11     {
12         source = new FileStream(filePath, FileMode.Open, FileAccess.Read);
13         readBytes = new byte[source.Length];
14         source.Read(readBytes, 0, (int)source.Length);
15     }
16     catch (Exception ex)
17     {
18         throw ex;
19     }
20     finally
21     {
22         if (source != null)
23         {
24             source.Close();
25         }
26     }
27     return readBytes;
28 }