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  • ASP.net流的方式输出图片或文件

    using System;
    using System.Collections;
    using System.Configuration;
    using System.Data;
    using System.Linq;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.HtmlControls;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Xml.Linq;
    using System.IO;
    public partial class admin_showimg : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string img = Request.QueryString["img"];
            string pic;
            if (img == null || img == "")
            {
                pic = Server.MapPath("/images/nopic.jpg");
            }
            else
            {
                pic = Server.MapPath("/") + img;
            }
            if (File.Exists(pic))
            {
                Response.ContentType = "image/jpg";
                Response.WriteFile(pic);
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/easypass/p/1620399.html
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