MVC、一般处理程序hanlder 输出图片文件

时间：2017-05-14 10:49:39 阅读：214 评论：0 收藏：0 [点我收藏+]

hanlder.ashx文件

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public class Handler4 : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
#region 将图片转成Base64
FileStream fs = new FileStream("I26S-1280x1024-s.jpg", FileMode.Open, FileAccess.Read);
byte[] buffur = new byte[fs.Length];
fs.Read(buffur, 0, (int)fs.Length);
string strPic = Convert.ToBase64String(buffur);
#endregion
#region 将Base64转成byte[]
byte[] buffurPic = Convert.FromBase64String(strPic);
#endregion
context.Response.ContentType = "image/jpeg";
context.Response.Clear();
context.Response.BufferOutput = true;
context.Response.OutputStream.Write(buffurPic, 0, buffurPic.Length);
context.Response.Flush();
}
public bool IsReusable
{
get
{
return false;
}
}
}

页面文件

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MVC Action方法

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public ActionResult GetImg()
{
#region 将图片转成Base64
FileStream fs = new FileStream("I26S-1280x1024-s.jpg", FileMode.Open, FileAccess.Read);
byte[] buffur = new byte[fs.Length];
fs.Read(buffur, 0, (int)fs.Length);
string strPic = Convert.ToBase64String(buffur);
#endregion
#region 将Base64转成byte[]
byte[] buffurPic = Convert.FromBase64String(strPic);
#endregion
return File(buffurPic, "image/jpeg");
}

页面文件

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原文地址：http://www.cnblogs.com/wanzhongjun/p/6851021.html

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