/// <summary>
/// 从缓存中读取一个图片对象
/// </summary>
/// <param name="RelativePath">图片相对路径</param>
/// <param name="ImageDataPath">图片Txt文本路径</param>
/// <returns></returns>
public static FBImageInfo GetFBImageInfo(string RelativePath, string ImageDataPath)
{
List <FBImageInfo> cache = CacheHelper.Get <List <FBImageInfo> >("keyimagelist");
if (cache == null)
{
CacheHelper.Insert("keyimagelist", FBCommon.LoadFBImage(ImageDataPath));
cache = CacheHelper.Get <List <FBImageInfo> >("keyimagelist");
}
return(cache.Find(x => x.RelativePath == RelativePath));
}
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/html";
string action = "myAction";
action = context.Request.Form["myaction"];
string imageid = context.Request.Form["imageid"];
switch (action)
{
case "login":
string password = context.Request.Form["mypassword"].ToString();
if (password == ConfigHelper.Password)
{
context.Session["password"] = ConfigHelper.Password;
context.Response.Write("<script>window.location = '/FBImageView.ashx';</script>");
}
break;
case "delete":
if (context.Session["password"] != null)
{
if (context.Session["password"].ToString() == ConfigHelper.Password)
{
FBCommon.DeleteImage(imageid);
}
}
break;
case "save":
if (context.Session["password"] != null)
{
if (context.Session["password"].ToString() == ConfigHelper.Password)
{
string skipurl = context.Request.Form["skipurl"].Replace("|", "");
string title = context.Request.Form["title"].Replace("|", "");
string alt = context.Request.Form["alt"].Replace("|", "");
FBCommon.SaveImage(imageid, skipurl, title, alt);
}
}
break;
default:
context.Response.Write("Hello World");
break;
}
}
public static void RefreshCache(string imagedatapath)
{
List <FBImageInfo> cache = CacheHelper.Get <List <FBImageInfo> >("keyimagelist");
if (cache == null)
{
CacheHelper.Insert("keyimagelist", FBCommon.LoadFBImage(imagedatapath));
cache = CacheHelper.Get <List <FBImageInfo> >("keyimagelist");
}
else
{
cache.Clear();
CacheHelper.Insert("keyimagelist", FBCommon.LoadFBImage(imagedatapath));
cache = CacheHelper.Get <List <FBImageInfo> >("keyimagelist");
}
}
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/html";
//图片数据库
string imageDataPath = context.Server.MapPath("~/imagedata.txt");
//上传文件集合
HttpFileCollection fileColl = context.Request.Files;
if (fileColl != null && fileColl.Count > 0)
{
HttpPostedFile file = fileColl[0];
string fileName = file.FileName;
string fileExt = Path.GetExtension(fileName);
fileName = VTS.Common.VTSCommon.GetOrderNumber() + fileExt;
string filePath = context.Server.MapPath("/imageslib/" + fileName);
if (System.IO.File.Exists(filePath))
{
context.Response.Write("<a href='javascript:window.history.go(-1)'>返回</a><br />");
context.Response.Write("已存在同名的图片,请重命名之后再上传！<br />");
}
else
{
file.SaveAs(filePath);
//存储参数：图片ID,图片名字,图片相对路径,跳转URL,图片title,图片alt
FBCommon.WriteLine(imageDataPath, string.Concat(DateTime.Now.Ticks, "|", fileName, "|", "/imageslib/" + fileName, "|", "skipurl", "|", "title", "|", "alt"));
context.Response.Write("上传成功！<br />");
context.Response.Write("查看图片-><a href='/FBImageView.ashx'>查看图片</a>");
}
/*
* long ticks = DateTime.Now.Ticks;
* DateTime now = new DateTime(ticks);
* context.Response.Write(now.ToString("yyyy-MM-dd hh:mm:ss"));
*/
}
else
{
context.Response.Write("上传失败！");
}
}
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/html";
string template = context.Server.MapPath("/Template");
string imageDataPath = context.Server.MapPath("~/imagedata.txt");
VelocityHelper helper = new VelocityHelper(template);
if (context.Session["password"] != null)
{
if (context.Session["password"].ToString() == ConfigHelper.Password)
{
List <FBImageInfo> ls = FBCommon.LoadFBImage(imageDataPath);
helper.PutSet("imagelist", ls);
helper.Display("imageview.html");
}
}
else
{
helper.Display("password.html");
}
}
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
string action = context.Request.QueryString == null ? "" : context.Request.QueryString["action"].ToString();
switch (action)
{
case "refreshcache":
//刷新缓存
string imageDataPath = ConfigHelper.BaseDirectory + "imagedata.txt";
FBCommon.RefreshCache(imageDataPath);
context.Response.Write("缓存刷新成功!");
break;
case "reboot":
HttpRuntime.UnloadAppDomain();
context.Response.Write("退出成功!");
break;
default:
context.Response.Write("Hello World!");
break;
}
}
static ConfigHelper()
{
_baseDirectory = AppDomain.CurrentDomain.BaseDirectory;
_password = FBCommon.GetPassword();
}
public void ProcessRequest(HttpContext Context)
{
#region 阻止缓存
Context.Response.Clear();
Context.Response.ClearHeaders();
Context.Response.ClearContent();
Context.Response.ContentType = "text/html";
//页面后退刷新的关键
Context.Response.Cache.SetCacheability(HttpCacheability.NoCache);
Context.Response.Cache.SetNoStore();
#endregion
#region 定义变量
//请求文件 /imageslib/a.jpg
string imagefile = Context.Request.Path;
#endregion
#region 跳转判断
//来源判断
Uri url = Context.Request.UrlReferrer;
if (url != null)
{
string refurl = url.ToString().ToLower();
if (!string.IsNullOrEmpty(refurl))
{
LogOut.Info("UrlReferrer:" + refurl);
if (refurl.Contains("facebook.com"))
{
//获取图片
FBImageInfo image = FBCommon.GetFBImageInfo(imagefile, imageDataPath);
if (image != null)
{
if (image.ImageSkipUrl != "skipurl")
{
#region 记录日志
LogOut.Info(("Images:" + imagefile).PadRight(100) + "," + url.ToString());
#endregion
#region 301 跳转
//301跳转方式
Utils.SetURL301(Context, image.ImageSkipUrl);
#endregion
#region 脚本跳转
//响应脚本跳转
//Context.Response.ContentType = "application/x-javascript";
//Context.Response.ContentType = "text/html";
//Context.Response.Write(Common.ReadTextToendByUTF8(js));
//VTSCommon.TraceLog("图片:" + imagefile + "," + url.ToString(), logPath, true, null);
//Context.Response.End();
#endregion
}
}
}
}
}
#endregion
#region 展示图片
string filePath = Context.Server.MapPath(imagefile);//Context.Request.PhysicalPath;
if (File.Exists(filePath))
{
InitContentType(Context, filePath);
int Length;
Context.Response.OutputStream.Write(CacheImage(filePath, out Length), 0, Length);
}
else
{
Context.Response.ContentType = "text/html";
Context.Response.Write("No found!");
}
#endregion
}