Response.Cache.SetOmitVaryStar(true);
文件方面的内容，增加了这个语句
没有的话缓存没起作用，增加这个语句可提高系统性能。
HomeController：
using System; using System.Collections.Generic; using System.Drawing; using System.Drawing.Drawing2D; using System.Drawing.Imaging; using System.IO; using System.Linq; using System.Reflection; using System.Web; using System.Web.Mvc; using Glimpse.Mvc.Message; using Yb.Data.Provider; using YbRapidSolution.Cms.Drawing; using YbRapidSolution.Core.IO; using YbRapidSolution.Entities; using YbRapidSolution.Mvc.Models; using YbRapidSolution.Presenter; using YbRapidSolution.Presenter.Controllers; using YbRapidSolution.Services; using YbRapidSolution.Services.Cms; namespace YbRapidSolution.Mvc.Controllers.Security { [AllowAnonymous] public class HomeController : Controller { #region 字段 private readonly ICmsColumnService _colService; private readonly ICmsSettingService _settingService; private readonly ICmsPostService _postService; private readonly ICmsPollService _pollService; private readonly ICmsContentService _contentService; private readonly ICmsCommentService _commentService; private readonly IMediaProvider _mediaProvider; private readonly IMediaCacheProvider _mediaCacheProvider; #endregion #region 构造器 public HomeController(ICmsColumnService colService, ICmsContentService contentService, ICmsCommentService commentService, IMediaProvider mediaProvider, IMediaCacheProvider mediaCacheProvider, ICmsSettingService settingService, ICmsPostService postService, ICmsPollService pollService) { _colService = colService; _settingService = settingService; _contentService = contentService; _commentService = commentService; _mediaProvider = mediaProvider; _mediaCacheProvider = mediaCacheProvider; _postService = postService; _pollService = pollService; } #endregion #region 私有方法 private void SetService() { ViewBag.CmsSettingService = _settingService; ViewBag.CmsColumnService = _colService; ViewBag.CmsContentService = _contentService; ViewBag.CmsPostService = _postService; ViewBag.CmsPollService = _pollService; ViewBag.CmsCommentService = _commentService; } #endregion #region 首页方法 // GET: /Logon/ [AllowAnonymous] public ActionResult Index() { var setting =_settingService.Load(); var home = _colService.GetHomeColumn() ?? new CmsColumn(); var model = setting.GetPageModel(home); if (this.TempData.ContainsKey("HideLogin")) { model.HideLogin = (bool)this.TempData["HideLogin"]; } else { model.HideLogin=false; } model.NavColumnId = model.ID; model.CurColumnId = model.ID; SetService(); return View(model); } [AllowAnonymous] public ActionResult Dashboard() { this.TempData["HideLogin"] = true; return RedirectToAction("Index"); } #endregion #region 页面方法 [AllowAnonymous] public ActionResult ColumnPage(string columnId,string navToId,int pageIndex=0) { var column = _colService.GetById(columnId); if (column == null) return RedirectToAction("Index"); if (column.IsRedirect && !string.IsNullOrWhiteSpace(column.RedirectUrl)) { return Redirect(column.RedirectUrl); } var path = ""; switch (column.TemplateType) { case 0: path = column.CoverTemplatePath; break; case 1: path = column.ListTemplatePath; break; case 2: path = column.ContentTemplatePath; break; case 3: path = column.SearchTemplatePath; break; } if (string.IsNullOrWhiteSpace(path)) { return RedirectToAction("Index"); } var setting = _settingService.Load(); var model = setting.GetPageModel(column); model.CurColumnId = columnId; model.NavColumnId = navToId; model.PageIndex = pageIndex; SetService(); return View(path, model); } /// <summary> /// 内容页 /// </summary> /// <param name="columnId"></param> /// <param name="navToId"></param> /// <returns></returns> [AllowAnonymous] public ActionResult ContentPage(string id,string columnId, string navToId) { var column = _colService.GetById(columnId); if (column == null) return RedirectToAction("Index"); if (column.IsRedirect && !string.IsNullOrWhiteSpace(column.RedirectUrl)) { return Redirect(column.RedirectUrl); } var path = ""; switch (column.TemplateType) { case 0: path = column.CoverTemplatePath; break; case 1: path = column.ContentTemplatePath; break; } if (string.IsNullOrWhiteSpace(path)) { return RedirectToAction("Index"); } var setting = _settingService.Load(); var model = setting.GetPageModel(column); model.CurColumnId = columnId; model.NavColumnId = navToId; model.CurContentId = id; SetService(); return View(path, model); } #endregion #region 评论操作 /// <summary> /// 添加评论 /// </summary> /// <returns></returns> [AllowAnonymous] [ValidateInput(false)] public JsonResult AddComment(CmsComment comment) { var result = new EasyUIMessage(); ViewBag.CmsCommentService = _commentService; comment.ID = Guid.NewGuid().ToIdString(); comment.CreatedDate = DateTime.Now; comment.CreatedFName = User.Identity.Name; var validResult = _commentService.Validate(comment); if (!validResult.IsValid) { result.success = false; result.msg = validResult.Errors[0].ErrorMessage; return Json(result); } var userReplyAudit = _settingService.Load().UserReplyAudit; comment.Cmd = userReplyAudit ? Cmd.Save : Cmd.Publish; try { _commentService.Insert(comment); comment.Body = ""; result.msg = userReplyAudit ? "评论提交成功，需管理员审核通过后才能显示" : "评论提交成功"; result.success = true; } catch (Exception ex) { result.success = false; result.msg = ex.Message; } return Json(result); } /// <summary> /// 添加评论 /// </summary> /// <returns></returns> [AllowAnonymous] public PartialViewResult CommentList(string parentId, int pageSize = 20, int pageIndex = 0, string targetId=null) { ViewBag.PageIndex = pageIndex; ViewBag.CmsCommentService = _commentService; var items = _commentService.FindBy(c => c.ParentId == parentId, false, pageIndex, pageSize, c => c.OrderByDescending(d => d.CreatedDate)); var model = new CmsPagerDataModel() { Data = items, ActionName=this.RouteData.Values["action"].ToString(), ControllerName= this.RouteData.Values["controller"].ToString(), RouteValues = new { parentId, targetId }, TargetId=targetId }; SetService(); return PartialView("_CommentList", model); } #endregion #region 文件操作 [AllowAnonymous] [OutputCache(Duration = 600)] public FileResult GetImg(string id) { return GetFile(id); } /// <summary> /// Gets the thumbnail for the embedded resource with the given id. The thumbnail /// resources are specified in Piranha.Drawing.Thumbnails. /// </summary> /// <param name="id">Content id</param> /// <param name="size">The desired size</param> //[YbMvcAuthorize()] [AllowAnonymous] [OutputCache(Duration = 600, VaryByParam = "*")] public FileResult GetThumbnailBySize(string id, bool draft,int randNum=0, int size = 60) { return GetThumbnailBy(id,draft,randNum,size,size); } /// <summary> /// Gets the thumbnail for the embedded resource with the given id. The thumbnail /// resources are specified in Piranha.Drawing.Thumbnails. /// </summary> /// <param name="id">Content id</param> /// <param name="size">The desired size</param> [AllowAnonymous] [OutputCache(Duration = 600,VaryByParam="size")] public FileResult GetImgBySize(string id, int size = 60) { return GetThumbnailBySize(id, false, 0, size); } [AllowAnonymous] [OutputCache(Duration = 600, VaryByParam = "*")] public FileResult GetThumbnailBy(string id, bool draft, int randNum = 0, int width = 60, int height = 60) { Response.Cache.SetOmitVaryStar(true); //首先从缓存中获取 var data = draft ? _mediaCacheProvider.GetDraft(id, width, height) : _mediaCacheProvider.Get(id, width, height); if (data == null) { //获取内容 var content = _contentService.GetById(id, draft); if (content != null) { Stream strm; if (content.IsFolder) { //为文件夹，加载文件夹图标 var resource = Math.Min(width,height) <= 32 ? Thumbnails.GetByType("folder-small") : Thumbnails.GetByType("folder"); strm = Assembly.GetExecutingAssembly().GetManifestResourceStream(resource); } else if (content.ContentKind != ContentKind.Image) { //不为图片，根据类型加载资源图片 var type = Thumbnails.ContainsKeyByType(content.ContentType) ? content.ContentType : "default"; var resource = Thumbnails.GetByType(type); strm = Assembly.GetExecutingAssembly().GetManifestResourceStream(resource); } else { //为图片，根据大下生成缩略图 var imgData = draft ? _mediaProvider.GetDraft(id) : _mediaProvider.Get(id); if (imgData == null) { //不存在，使用默认图片 var resource = Thumbnails.GetByType("default"); strm = Assembly.GetExecutingAssembly().GetManifestResourceStream(resource); } else { strm = new MemoryStream(imgData); } } var img = Image.FromStream(strm); img = ImageUtils.Resize(img, width, height); using (var mem = new MemoryStream()) { img.Save(mem, ImageFormat.Png); data = mem.ToArray(); } strm.Close(); if (draft) _mediaCacheProvider.PutDraft(id, data, width, height); else _mediaCacheProvider.Put(id, data, width, height); } } return File(data, "image/png"); } /// <summary> /// Gets the thumbnail for the embedded resource with the given id. The thumbnail /// resources are specified in Piranha.Drawing.Thumbnails. /// </summary> /// <param name="id">Content id</param> /// <param name="size">The desired size</param> [AllowAnonymous] [OutputCache(Duration = 600, VaryByParam = "size")] public FileResult GetImgBy(string id, int width = 60, int height = 60) { return GetThumbnailBy(id, false, 0, width, height); } [AllowAnonymous] public FileResult GetFile(string id) { Response.Cache.SetOmitVaryStar(true); var content = _contentService.GetById(id); if (content == null || content.IsFolder) return null; var data=_mediaProvider.Get(id); if (data == null) return null; return File(data, content.ContentType, content.FileName); } [AllowAnonymous] public FileResult GetFileByPath(string fname) { Response.Cache.SetOmitVaryStar(true); var content = _contentService.GetByFName(fname); if (content == null || content.IsFolder) return null; var data = _mediaProvider.Get(content.ID); if (data == null) return null; return File(data, content.ContentType, content.FileName); } #endregion #region 图片轮播 [AllowAnonymous] public PartialViewResult CarouseSide(string fname) { ViewBag.CmsContentService = _contentService; SetService(); return PartialView("_CarouseSide", fname); } #endregion #region 问卷调查方法 /// <summary> /// 提交问卷调查 /// </summary> /// <returns></returns> [AllowAnonymous] public PartialViewResult SubmitPoll() { if (!this.Request.Form.AllKeys.Contains("PollId")) return PartialView("_MsgDialog","提交失败：当前问卷调查不存在"); var pollId = this.Request.Form.Get("PollId"); if (string.IsNullOrWhiteSpace(pollId)) { return PartialView("_MsgDialog", "提交失败：当前问卷调查不存在"); } var poll = _pollService.GetById(pollId.Trim()); if (poll==null) { return PartialView("_MsgDialog", "提交失败：当前问卷调查已被删除"); } var date = DateTime.Now; if (!poll.PollPublished || (poll.StartDate.HasValue && poll.StartDate.Value > date) || (poll.EndDate.HasValue && poll.EndDate.Value < date)) { return PartialView("_MsgDialog", "提交失败：当前问卷调查已关闭"); } string ip="", cookie="", userName=""; if(poll.LimitIP) ip = AccountController.GetIP4Address(); if (poll.LimitCookie) { if (Request.Cookies.AllKeys.Contains(poll.ID)) { return PartialView("_MsgDialog", "提交失败：该问卷调查已提交，不允许重复提交"); } cookie = poll.ID; } if (poll.LimitGuest) { if(!User.Identity.IsAuthenticated) return PartialView("_MsgDialog", "提交失败：该问卷调查需登录后才能提交"); userName = User.Identity.Name; } if (_pollService.Exists(ip, cookie, userName)) { return PartialView("_MsgDialog", "提交失败：该问卷调查已提交，不允许重复提交"); } var pollVoting = new CmsPollVoting { ID = Guid.NewGuid().ToIdString(), PollId = poll.ID, IP = ip, UserName = userName, Cookie = cookie, CmsPollVotingItem = new List<CmsPollVotingItem>(poll.CmsPollItem.Count) }; foreach (var item in poll.CmsPollItem) { if (!this.Request.Form.AllKeys.Contains(item.ID)) { return PartialView("_MsgDialog", string.Format("提交失败：‘{0}’未选择。", item.Name)); } var str = this.Request.Form.Get(item.ID); if (string.IsNullOrWhiteSpace(str)) { return PartialView("_MsgDialog", string.Format("提交失败：‘{0}’可选型未选择。", item.Name)); } var votingItem = new CmsPollVotingItem { ID = Guid.NewGuid().ToIdString(), PollItemId = item.ID, PollVotingId = pollVoting.ID }; pollVoting.CmsPollVotingItem.Add(votingItem); votingItem.CmsPollVotingAnswer = new List<CmsPollVotingAnswer>(item.CmsPollAnswer.Count); //获取投票值 var selectValues = str.Trim().Split(',').Distinct(); //获取所有可选项 var allAnswerIds = item.CmsPollAnswer.Select(c => c.ID).ToList(); var dic=item.CmsPollAnswer.ToDictionary(c => c.ID); foreach (var value in selectValues) { if (!dic.ContainsKey(value)) { return PartialView("_MsgDialog", string.Format("提交失败：‘{0}’可选型未选择不存在。", item.Name)); } var votingAnswer = new CmsPollVotingAnswer() { ID = Guid.NewGuid().ToIdString(), PollAnswerId = value, PollVotingItemId = item.ID, Value = dic[value].Value }; votingItem.CmsPollVotingAnswer.Add(votingAnswer); } } try { _pollService.Insert(pollVoting); if (cookie != "") { HttpCookie curCookie = new HttpCookie(cookie) { Expires = DateTime.Now.AddYears(3) }; System.Web.HttpContext.Current.Response.Cookies.Add(curCookie); } return PartialView("_MsgDialog", "问卷调查提交成功，谢谢您的参与"); } catch(Exception er) { AuditLogApi.Error(er.Message, er); return PartialView("_MsgDialog", "提交失败：系统出现异常，请查看审计日志了解详细信息"); } } [AllowAnonymous] public PartialViewResult ViewPollResult(string id) { if (string.IsNullOrWhiteSpace(id)) { return PartialView("_MsgDialog", "当前问卷调查不存在"); } var poll = _pollService.GetById(id.Trim()); if (poll == null) { return PartialView("_MsgDialog", "当前问卷调查不存在"); } if (!poll.ResultPublished) { return PartialView("_MsgDialog", "当前问卷调查暂未发布"); } var total = poll.CmsPollVoting.Count; foreach (var item in poll.CmsPollItem) { foreach (var answer in item.CmsPollAnswer) { answer.Count = item.CmsPollVotingItem .SelectMany(c => c.CmsPollVotingAnswer) .Count(c => c.PollAnswerId == answer.ID); answer.Ratio = total == 0 ? 0m : answer.Count / (decimal)total; } } return PartialView("_PollResult", poll); } #endregion } }