private string GetFirstImagePath(string html)
{
CQ image = CQ.Create(html)["img"];
string imagePath = image.First().Attr("src");
return(imagePath);
}
public override void ExecuteResult(ControllerContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (String.IsNullOrEmpty(ViewName))
{
ViewName = context.RouteData.GetRequiredString("action");
}
ViewEngineResult result = null;
if (View == null)
{
result = FindView(context);
View = result.View;
}
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
HtmlTextWriter tw = new HtmlTextWriter(sw);
TextWriter writer = context.HttpContext.Response.Output;
ViewContext viewContext = new ViewContext(context, View, ViewData, TempData, writer);
View.Render(viewContext, tw);
string s = sb.ToString();
bool isallowed = true;
CQ limitcq = CQ.CreateDocument(s);
CQ limitelment = limitcq.Select("div[data-pagelimit]");
if (limitelment.Length > 0)
{
string limitname = limitelment[0]["data-pagelimit"];
isallowed = context.HttpContext.User.Identity.GetAccount().IsAllowed(limitname);
}
if (!isallowed)
{
#region 权限不符
CQ limitcq2 = limitelment.First().Html("<div class=\"alert alert-danger\" role=\"alert\">"
+ StringHelper.GetString("您没有相关权限，请和系统管理员联系！", context.HttpContext.User.Identity.GetAccount().Language) + "</div>");
s = (limitcq2.Render());
#endregion
}
#region 移除没有权限的元素
string pattern = "ng-limit=\".*?\"";
this.context = context;
s = Regex.Replace(s, pattern, new MatchEvaluator(OutPutMatch));
CQ cq = CQ.CreateDocument(s);
CQ cq2 = cq.Select("[ng-limit='false']").Remove();
string newhtml = cq2.Render();
#endregion
#region 替换service的短链接
string viewpath = (result.ViewEngine as MyViewEngine).ViewPath;
string viewfilepath = context.HttpContext.Server.MapPath(viewpath);
string viewdirectorypath = new FileInfo(viewfilepath).Directory.FullName;
string shortconfigpath = Path.Combine(viewdirectorypath, "short.config.xml");
if (File.Exists(shortconfigpath))
{
XmlDocument doc = new XmlDocument();
doc.Load(shortconfigpath);
XmlNodeList nodes = doc.DocumentElement.SelectNodes("/shorts/short");
foreach (XmlNode node in nodes)
{
string shortname = node.Attributes["name"].Value;
string shortpath = node.Attributes["path"].Value;
newhtml = newhtml.Replace(shortname, shortpath);
}
}
#endregion
writer.Write(newhtml);
if (result != null)
{
result.ViewEngine.ReleaseView(context, View);
}
}
/// <summary>
/// Resolve all script dependencies in the bound CQ document. Scripts that cotain a "data-
/// location='head'" attribute will be moved to the head.
/// </summary>
///
/// <param name="doc">
/// The document to resolve.
/// </param>
public void ResolveScriptDependencies(CQ doc)
{
string scriptSelector = "script[src][type='text/javascript'], link[type='text/css']";
//+ (Options.HasFlag(ViewEngineOptions.ProcessAllScripts) ?
// "" : ".csquery-script")
// + "[src]";
// Filter out non-relative paths (remote URLs)
CQ scripts = doc[scriptSelector].Filter(item =>
{
return(!PathList.IsRemoteUrl(item.UrlSource()));
});
if (scripts.Length == 0)
{
return;
}
// move scripts to head as needed first
var toMove = scripts.Filter("[data-location='head']");
var head = doc["head"];
if (toMove.Length > 0)
{
foreach (var item in toMove)
{
if (item.ParentNode != head)
{
head.Append(item);
}
}
}
// resolve dependencies
ScriptCollection coll = new ScriptCollection(LibraryPath, MapPath);
coll.NoCache = Options.HasFlag(ViewEngineOptions.NoCache);
coll.IgnoreErrors = Options.HasFlag(ViewEngineOptions.IgnoreMissingScripts);
// identify the insertion point for the script bundle
var firstScriptEl = coll.AddFromCq(scripts);
var firstScript = firstScriptEl == null?
head.Children().First() :
firstScriptEl.Cq();
string bundleUrl;
List <ScriptRef> dependencies = coll.GetDependencies()
.Where(item => !coll.Contains(item))
.ToList();
// find the first script with dependencies
// Now add scripts directly for depenencies marked as NoCombine.
foreach (var item in dependencies.Where(item => item.NoCombine))
{
firstScript.Before(GetScriptHtml(item.Path, item.ScriptHash));
}
// Before creating the bundle, remove any duplicates of the same script on the page
bool hasBundle = Bundles.TryGetValue(coll, out bundleUrl);
if (hasBundle)
{
// when nocache is set, we will regenerate the bundle, but not change the script ID. The v=
// flag will be changed by BundleTable.
if (Options.HasFlag(ViewEngineOptions.NoCache))
{
string removeUrl = "~" + bundleUrl.Before("?");
BundleTable.Bundles.Remove(BundleTable.Bundles.GetBundleFor(removeUrl));
hasBundle = false;
ScriptID++;
//
//var bundleList = BundleTable.Bundles.ToList();
//BundleTable.Bundles.Clear();
//BundleTable.Bundles.ResetAll();
//BundleTable.EnableOptimizations = false;
//foreach (var oldBundle in bundleList)
//{
// BundleTable.Bundles.Add(oldBundle);
//}
}
}
else
{
ScriptID++;
}
if (!hasBundle)
{
string bundleAlias = "~/cqbundle" + ScriptID;
var bundle = GetScriptBundle(bundleAlias);
var activeDependencies = dependencies.Where(item => !item.NoCombine);
foreach (var item in activeDependencies)
{
bundle.Include(item.Path);
}
BundleTable.Bundles.Add(bundle);
if (HttpContext.Current != null)
{
bundleUrl = BundleTable.Bundles.ResolveBundleUrl(bundleAlias, true);
}
else
{
bundleUrl = bundleAlias + "_no_http_context";
}
Bundles[coll] = bundleUrl;
}
var scriptPlaceholder = scripts.First();
// add bundle after all noncombined scripts
firstScript.Before(GetScriptHtml(bundleUrl));
}
/// <summary>
/// Resolve all script dependencies in the bound CQ document. Scripts that cotain a "data-
/// location='head'" attribute will be moved to the head.
/// </summary>
///
/// <param name="doc">
/// The document to resolve.
/// </param>
public void ResolveScriptDependencies(CQ doc)
{
string scriptSelector = "script[src][type='text/javascript'], script[src]:not([type]), link[type='text/css']";
CQ scripts = doc[scriptSelector];
if (scripts.Length == 0)
{
return;
}
// move scripts first
// TODO: Optimize using a query caching mechanism so
foreach (var item in scripts.Filter("[data-moveto]"))
{
var target = doc.Select(item["data-moveto"]);
if (target.Length > 0)
{
target.First().Append(item);
item.RemoveAttribute("data-moveto");
}
}
// resolve dependencies
ScriptCollection coll = new ScriptCollection(ScriptEnvironment);
coll.Options = Options;
// identify the insertion point for the script bundle. AddFromCq returns the first script with dependencies,
// so scripts should be added right before that one. Otherwise they should be added
// at the end of head.
var firstScriptEl = coll.AddFromCq(scripts);
CQ firstScript = null;
if (firstScriptEl != null)
{
firstScript = firstScriptEl.Cq();
}
string bundleUrl;
List <ScriptRef> dependencies = coll.GetDependencies()
.Where(item => !coll.Contains(item))
.ToList();
// Now add scripts directly for dependencies marked as NoCombine.
var inlineScripts = Options.HasFlag(ViewEngineOptions.NoBundle) ?
dependencies :
dependencies.Where(item => item.NoCombine);
foreach (var item in inlineScripts)
{
var script = GetScriptHtml(item.Path, item.ScriptHash);
if (firstScript != null)
{
firstScript.Before(script);
}
else
{
firstScript = script;
doc["body"].Append(script);
}
}
// Before creating the bundle, remove any duplicates of the same script on the page
if (!Options.HasFlag(ViewEngineOptions.NoBundle))
{
bool hasBundle = Bundles.TryGetValue(coll, out bundleUrl);
if (hasBundle)
{
// when nocache is set, we will regenerate the bundle, but not change the script ID. The v=
// flag will be changed by BundleTable.
if (Options.HasFlag(ViewEngineOptions.NoCache))
{
string removeUrl = "~" + bundleUrl.Before("?");
BundleTable.Bundles.Remove(BundleTable.Bundles.GetBundleFor(removeUrl));
hasBundle = false;
ScriptID++;
// this code attempts to un-cache the bundle, it doesn't work.
// leaving it here until some permanent solution is found as a reminder
//
// http://stackoverflow.com/questions/12317391/how-to-force-bundlecollection-to-flush-cached-script-bundles-in-mvc4
//
//var bundleList = BundleTable.Bundles.ToList();
//BundleTable.Bundles.Clear();
//BundleTable.Bundles.ResetAll();
//BundleTable.EnableOptimizations = false;
//foreach (var oldBundle in bundleList)
//{
// BundleTable.Bundles.Add(oldBundle);
//}
}
}
else
{
ScriptID++;
}
if (!hasBundle)
{
var activeDependencies = dependencies.Where(item => !item.NoCombine).ToList();
if (activeDependencies.Count > 0)
{
string bundleAlias = "~/cqbundle" + ScriptID;
var bundle = GetScriptBundle(bundleAlias);
foreach (var item in activeDependencies)
{
bundle.Include(item.Path);
}
BundleTable.Bundles.Add(bundle);
if (HttpContext.Current != null)
{
bundleUrl = BundleTable.Bundles.ResolveBundleUrl(bundleAlias, true);
}
else
{
bundleUrl = bundleAlias + "_no_http_context";
}
Bundles[coll] = bundleUrl;
}
}
var scriptPlaceholder = scripts.First();
// add bundle after all noncombined scripts
if (!String.IsNullOrEmpty(bundleUrl))
{
firstScript.Before(GetScriptHtml(bundleUrl));
}
}
}
