1     public class CodeSnippet
 2     {
 3         public int Id { get; set; }
 4 
 5         [Required, AllowHtml, Display(Name = "C# source")]
 6         public string SourceCode { get; set; }
 7         public string HighlightedCode { get; set; }
 8 
 9         public DateTime CreatedAt { get; set; }
10         public DateTime? HighlightedAt { get; set; }
11     }

 1    /// <summary>
 2     /// 仓储类
 3     /// </summary>
 4     public class HighLightRepository : BaseRepository, IDisposable
 5     {
 6         public static readonly HighLightRepository Instance = new HighLightRepository();
 7 
 8         private HighLightRepository()
 9             : this(SessionHelper.CreateDefaultSession())
10         {
11         }
12 
13         public HighLightRepository(IDBSession dbSession)
14             : base(dbSession)
15         {
16         }
17     }
18 
19     /// <summary>
20     /// 数据库连接帮助类
21     /// </summary>
22     public class SessionHelper
23     {
24         /// <summary>
25         /// 创建默认数据库连接会话
26         /// </summary>
27         /// <param name="connName"></param>
28         /// <returns></returns>
29         public static DBSession CreateDefaultSession(string connName = "DefaultConnection")
30         {
31             var connection = SqlConnectionFactory.CreateSqlConnection(DatabaseType.SqlServer, connName);
32 
33             return new DBSession(new Database(connection));
34         }
35     }
36 
37     /// <summary>
38     /// 仓储基类
39     /// </summary>
40     public abstract class BaseRepository : RepositoryDataImpl, IDisposable
41     {
42         protected BaseRepository()
43         {
44             SetDBSession(SessionHelper.CreateDefaultSession());
45         }
46 
47         protected BaseRepository(IDBSession dbSession)
48             : base(dbSession)
49         {
50         }
51 
52         public void Dispose()
53         {
54         }
55     }

 1  public class HomeController : Controller
 2     {
 3         public ActionResult Index()
 4         {
 5 
 6             var snippetCodeList = HighLightRepository.Instance.GetList<CodeSnippet>();
 7 
 8             return View(snippetCodeList);
 9         }
10 
11         public ActionResult Details(int id)
12         {
13             var snippet = HighLightRepository.Instance.GetById<CodeSnippet>(id);
14             return View(snippet);
15         }
16 
17         public ActionResult Create()
18         {
19             return View();
20         }
21 
22         [HttpPost]
23         public ActionResult Create([Bind(Include = "SourceCode")] CodeSnippet snippet)
24         {
25             try
26             {
27                 if (ModelState.IsValid)
28                 {
29                     snippet.CreatedAt = DateTime.UtcNow;
30                     // We‘ll add the highlighting a bit later.
31 
32                     //方案一：直接调用接口实现高亮
33                     //using (StackExchange.Profiling.MiniProfiler.StepStatic("Service call"))
34                     //{
35                     //    snippet.HighlightedCode = HighlightSource(snippet.SourceCode);
36                     //    snippet.HighlightedAt = DateTime.Now;
37                     //}
38 
39                     HighLightRepository.Instance.Insert(snippet);
40 
41                     return RedirectToAction("Details", new { id = snippet.Id });
42                 }
43 
44                 return View(snippet);
45 
46             }
47             catch (HttpRequestException)
48             {
49                 ModelState.AddModelError("", "Highlighting service returned error. Try again later.");
50             }
51             return View(snippet);
52         }
53 
54         protected override void Dispose(bool disposing)
55         {
56             base.Dispose(disposing);
57         }
58     }

 1 @* ~/Views/Home/Index.cshtml *@
 2 
 3 @model IEnumerable< Zeroes.Snippet.Highlight.Models.CodeSnippet>
 4 @{ ViewBag.Title = "Snippets"; }
 5 
 6 <h2>Snippets</h2>
 7 
 8 <p><a class="btn btn-primary" href="@Url.Action("Create")">Create Snippet</a></p>
 9 <table class="table">
10     <tr>
11         <th>Code</th>
12         <th>Created At</th>
13         <th>Highlighted At</th>
14     </tr>
15 
16     @foreach (var item in Model)
17     {
18         <tr>
19             <td>
20                 <a href="@Url.Action("Details", new { id = item.Id })">@Html.Raw(item.HighlightedCode)</a>
21             </td>
22             <td>@item.CreatedAt</td>
23             <td>@item.HighlightedAt</td>
24         </tr>
25     }
26 </table>

 1 @* ~/Views/Home/Create.cshtml *@
 2 
 3 @model  Zeroes.Snippet.Highlight.Models.CodeSnippet
 4 @{ ViewBag.Title = "Create a snippet"; }
 5 
 6 <h2>Create a snippet</h2>
 7 
 8 @using (Html.BeginForm())
 9 {
10     @Html.ValidationSummary(true)
11 
12     <div class="form-group">
13         @Html.LabelFor(model => model.SourceCode)
14         @Html.ValidationMessageFor(model => model.SourceCode)
15         @Html.TextAreaFor(model => model.SourceCode, new { @class = "form-control", style = "min-height: 300px;", autofocus = "true" })
16     </div>
17 
18     <button type="submit" class="btn btn-primary">Create</button>
19     <a class="btn btn-default" href="@Url.Action("Index")">Back to List</a>
20 }

 1 @* ~/Views/Home/Details.cshtml *@
 2 
 3 @model   Zeroes.Snippet.Highlight.Models.CodeSnippet
 4 @{ ViewBag.Title = "Details"; }
 5 
 6 <h2>Snippet <small>#@Model.Id</small></h2>
 7 
 8 <div>
 9     <dl class="dl-horizontal">
10         <dt>@Html.DisplayNameFor(model => model.CreatedAt)</dt>
11         <dd>@Html.DisplayFor(model => model.CreatedAt)</dd>
12         <dt>@Html.DisplayNameFor(model => model.HighlightedAt)</dt>
13         <dd>@Html.DisplayFor(model => model.HighlightedAt)</dd>
14     </dl>
15 
16     <div class="clearfix"></div>
17 </div>
18 <div>@Html.Raw(Model.HighlightedCode)</div>

 1 @* ~/Views/Home/Details.cshtml *@
 2 
 3 @model   Zeroes.Snippet.Highlight.Models.CodeSnippet
 4 @{ ViewBag.Title = "Details"; }
 5 
 6 <h2>Snippet <small>#@Model.Id</small></h2>
 7 
 8 <div>
 9     <dl class="dl-horizontal">
10         <dt>@Html.DisplayNameFor(model => model.CreatedAt)</dt>
11         <dd>@Html.DisplayFor(model => model.CreatedAt)</dd>
12         <dt>@Html.DisplayNameFor(model => model.HighlightedAt)</dt>
13         <dd>@Html.DisplayFor(model => model.HighlightedAt)</dd>
14     </dl>
15 
16     <div class="clearfix"></div>
17 </div>
18 @*方案一*@
19 @*<div>@Html.Raw(Model.HighlightedCode)</div>*@
20 
21 @*方案二*@
22 @if (Model.HighlightedCode == null)
23 {
24     <div class="alert alert-info">
25         <h4>Highlighted code is not available yet.</h4>
26         <p>
27             Don‘t worry, it will be highlighted even in case of a disaster
28             (if we implement failover strategies for our job storage).
29         </p>
30         <p>
31             <a href="javascript:window.location.reload()">Reload the page</a>
32             manually to ensure your code is highlighted.
33         </p>
34     </div>
35 
36     @Model.SourceCode
37 }
38 else
39 {
40     @Html.Raw(Model.HighlightedCode)
41 }

 1         //获取高亮代码
 2         public ActionResult HighlightedCode(int snippetId)
 3         {
 4             var snippet = HighLightRepository.Instance.GetById<CodeSnippet>(snippetId);
 5             if (snippet.HighlightedCode == null)
 6             {
 7                 return new HttpStatusCodeResult(HttpStatusCode.NoContent);
 8             }
 9             return Content(snippet.HighlightedCode);
10         }