mvc 显示数据库图片

刺骨的言语ヽ痛彻心扉 2022-06-12 06:58 150阅读 0赞

<%  
        var ksList = ViewData\["KSTD"\] as IList<Model.DB\_LINKS>;  
        if (ksList != null)  
        \{  
            for (int i = 0; i < ksList.Count; i++)  
            \{  
    %>  
     
        <div style="height: 50px; background: url(<%= Url.Content("~/DisplayImg.aspx?linkId="+ksList\[i\].LINKSID) %>) no-repeat; text-align:center; vertical-align:middle;">  
          <a href="<%= Url.Content(ksList\[i\].URL) %>" target="\_blank" style="margin:0 0 0 0; color:\#ffffff; font-size:24px;">  <%= ksList\[i\].LINKSTITLE %></a></div>  
     
    <%                              
            \}  
        \}  
    %>

<%@ Page Language="C\#" AutoEventWireup="true" %>

protected override void OnLoad(EventArgs e)  
    \{  
        if (Request.QueryString\["linkId"\] != null)  
        \{  
            BLL.DB\_LINKS bll = new BLL.DB\_LINKS();  
            Model.DB\_LINKS m = bll.GetModel(Request.QueryString\["linkId"\].ToString());  
            if (m == null) return;  
             
            byte\[\] buffer = m.IMG;  
            if (buffer != null)  
            \{  
                using (System.IO.MemoryStream stream = new System.IO.MemoryStream(buffer))  
                \{  
                    System.Drawing.Image image = System.Drawing.Image.FromStream(stream);  
                    HttpContext.Current.Response.Clear();  
                    HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);

HttpContext.Current.Response.ContentType = "image/jpg";  
                    if (image != null)  
                    \{  
                        image.Save(HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);  
                    \}  
                \}

\}  
        \}         
    \}

</script>