AutoBundle in asp.net mvc 5
2015-08-15 01:20 蜡笔小旧 阅读(300) 评论(0) 编辑 收藏 举报using System.Collections.Concurrent; using System.Text; namespace System.Web.Optimization { public static class Script { private static readonly ConcurrentDictionary<string, string> Bundles = new ConcurrentDictionary<string, string>(); public static IHtmlString Src(params string[] paths) { string bundlePath = RegisterBundles(paths); if (string.IsNullOrEmpty(bundlePath)) { return RenderOrignal(paths); } return Scripts.RenderFormat(Scripts.DefaultTagFormat, bundlePath); } private static IHtmlString RenderOrignal(params string[] paths) { StringBuilder stringBuilder = new StringBuilder(); for (int i = 0; i < paths.Length; i++) { string path = paths[i]; if (path.StartsWith("~")) { path = path.Substring(1); } stringBuilder.AppendFormat(Scripts.DefaultTagFormat, path); } return (IHtmlString)new HtmlString(stringBuilder.ToString()); } private static string RegisterBundles(params string[] paths) { string key = string.Join(null, paths); if (Bundles.ContainsKey(key)) { string bundlePath; if (Bundles.TryGetValue(key, out bundlePath)) { return bundlePath; } } else { string bundlePath = "~/Scripts/" + Math.Abs(key.GetHashCode()); var bundle = BundleTable.Bundles.GetBundleFor(bundlePath); if (bundle == null) { var scriptBundle = new ScriptBundle(bundlePath); scriptBundle.Include(paths); BundleTable.Bundles.Add(scriptBundle); } if (Bundles.TryAdd(key, bundlePath)) { return bundlePath; } } return null; } } }