网页显示流中的图片

[dyiajure]

我把位图存储在流中，如何在网页上显示？

[Nihn]

private void ShowPicture(string filePath)
{
FileStream stream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
BinaryReader reader = new BinaryReader(stream);

byte[] photo = reader.ReadBytes((int)stream.Length);

reader.Close();
stream.Close();

if (photo != null)
{
Response.Clear();
Response.ContentType = "image/jpeg";
Response.BinaryWrite(photo);
Response.End();
}
}

参考一下吧。

[dyiajure]

呵呵，谢谢，我怎么没想到，虽说有点繁琐，我直接保存在流中，不需要打开文件了，呵呵

[staywithc]

public void ReadImage(string userName)
		{
			SqlConnection conn = new SqlConnection(Class.Common.getDBConnStr());
			
			SqlCommand cmd = new SqlCommand();
			cmd.Connection = conn;
			cmd.CommandText = "select photo from  tb where UserName='"+userName+"' and photo is not null";
			conn.Open();
			SqlDataReader sr = cmd.ExecuteReader();
			
			string cStr = "photo" + userName;
			
			if(sr.Read())
			{
				//bool kk = sr.HasRows;
				
				Cache[cStr] = (byte[])sr["photo"];
				
				Response.BinaryWrite((byte[])sr["photo"]);
				
				
			}
			else
			{
				byte[] l = {00000000};
				Cache[cStr] = (byte[])l;
			}

			conn.Close();
			conn.Dispose();
			sr.Close();
			
		}

然后再引用页面把img的src属性指向读取图片流的aspx页面即可