输出图片（二进制）

来源：互联网发布：python字符串的长度编辑：程序博客网时间：2024/06/05 10:39

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        //打开图片文件，并存在文件流中
        FileStream stream = new FileStream(Server.MapPath("picture.gif"), FileMode.Open);
        long FileSize = stream.Length;//获取流的长度
        byte[] Buffer = new byte[(int)FileSize];//定义一个二进制数组
        stream.Read(Buffer, 0, (int)FileSize);//从流中读取字节块并将该数据写入给定缓冲区中
        stream.Close();//关闭流
        Response.BinaryWrite(Buffer);//将图片输出在页面上
    }
}

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