私のサイトのユーザーが、添付画像をクリックして、アップロードしたばかりのファイルをWebブラウザーで表示できるようにしようとしています。アップロード機能のコードはすでに作成しましたが、アップロードの完了後に画像を表示するためのサポートが必要です。以下に、コントローラーからのアップロード機能と、ビュー添付機能が配置されるインデックスビューを含めました。この問題を解決するためにさらにコードが必要な場合はお知らせください。時間を割いてサポートしていただきありがとうございます。
コントローラ
[Authorize]
public String Uploadfile(HttpPostedFileBase file)
{
if (file.ContentLength > 0)
{
var fileName = Path.GetRandomFileName();
var path = Path.Combine(Server.MapPath("~/Uploads"), fileName);
file.SaveAs(path);
}
return file.FileName;
}
意見
@model PagedList.IPagedList<DBFirstMVC.Models.bug>
@{
ViewBag.Title = "BugIndex";
Layout = "~/Views/Shared/_Layout.cshtml";
}
@using PagedList;
<h2 class="corporate sifr">@ViewBag.Title</h2>
<div class="crossband">
@using (Html.BeginForm())
{
<div class="lefty">
Search Bugs Index: @Html.TextBox("SearchString")
</div>
<input type = "submit" value = "Search" class = "button1" />
}
<div class="righty">
@Html.ActionLink("Report a Bug", "ReportBugs", "Support", null, new { @class = "button1" })
</div>
</div>
<div class="crossband">
<div class="lefty">
Page @(Model.PageCount < Model.PageNumber ? 0 : Model.PageNumber)
of @Model.PageCount
@if (Model.HasPreviousPage)
{
@Html.ActionLink("<<", "", new { page = 1, sortOrder = ViewBag.CurrentSort, currentFilter = ViewBag.CurrentFilter, Versions = ViewBag.SelectedVersion })
@Html.Raw(" ");
@Html.ActionLink("< Prev", "", new { page = Model.PageNumber - 1, sortOrder = ViewBag.CurrentSort, currentFilter = ViewBag.CurrentFilter, Versions = ViewBag.SelectedVersion })
}
else
{
@:<<
@Html.Raw(" ");
@:< Prev
}
@if (Model.HasNextPage)
{
@Html.ActionLink("Next >", "", new { page = Model.PageNumber + 1, sortOrder = ViewBag.CurrentSort, currentFilter = ViewBag.CurrentFilter, Versions = ViewBag.SelectedVersion })
@Html.Raw(" ");
@Html.ActionLink(">>", "", new { page = Model.PageCount, sortOrder = ViewBag.CurrentSort, currentFilter = ViewBag.CurrentFilter, Versions = ViewBag.SelectedVersion })
}
else
{
@:Next >
@Html.Raw(" ")
@:>>
}
</div>
<div class="righty">
Showing Records @Model.FirstItemOnPage to @Model.LastItemOnPage from @Model.TotalItemCount records
</div>
</div>
<table>
<tr>
<th>
@Html.ActionLink("Date Submitted", "BugIndex", new { sortOrder = ViewBag.currentOrder == "asc" ? "desc" : "asc", sortField = "date_submitted"})
@if (ViewBag.currentOrder == "asc" && ViewBag.CurrentField == "date_submitted"){<img id="asc" src="@Url.Content("~/Images/ico_tablesortoffset_asc.gif")" alt = "Asc Arrow" />}
@if (ViewBag.currentOrder == "desc" && ViewBag.CurrentField == "date_submitted"){<img id="desc" src="@Url.Content("~/Images/ico_tablesortoffset_desc.gif")" alt = "Desc Arrow" />}
</th>
<th>
@Html.ActionLink("Submitted By", "BugIndex", new { sortOrder = ViewBag.currentOrder == "asc" ? "desc" : "asc", sortField = "submitted_by"})
@if (ViewBag.currentOrder == "asc" && ViewBag.CurrentField == "submitted_by"){<img id="asc" src="@Url.Content("~/Images/ico_tablesortoffset_asc.gif")" alt = "Asc Arrow" />}
@if (ViewBag.currentOrder == "desc" && ViewBag.CurrentField == "submitted_by"){<img id="desc" src="@Url.Content("~/Images/ico_tablesortoffset_desc.gif")" alt = "Desc Arrow" />}
</th>
<th>
@Html.ActionLink("Description", "BugIndex", new { sortOrder = ViewBag.currentOrder == "asc" ? "desc" : "asc", sortField = "Description" })
@if (ViewBag.currentOrder == "asc" && ViewBag.CurrentField == "Description"){<img id="asc" src="@Url.Content("~/Images/ico_tablesortoffset_asc.gif")" alt = "Asc Arrow" />}
@if (ViewBag.currentOrder == "desc" && ViewBag.CurrentField == "Description"){<img id="desc" src="@Url.Content("~/Images/ico_tablesortoffset_desc.gif")" alt = "Desc Arrow" />}
</th>
<th>
@Html.ActionLink("Priority", "BugIndex", new { sortOrder = ViewBag.currentOrder == "asc" ? "desc" : "asc", sortField = "Priority" })
@if (ViewBag.currentOrder == "asc" && ViewBag.CurrentField == "Priority"){<img id="asc" src="@Url.Content("~/Images/ico_tablesortoffset_asc.gif")" alt = "Asc Arrow" />}
@if (ViewBag.currentOrder == "desc" && ViewBag.CurrentField == "Priority"){<img id="desc" src="@Url.Content("~/Images/ico_tablesortoffset_desc.gif")" alt = "Desc Arrow" />}
</th>
<th>
@Html.ActionLink("Estimated Completion Date", "BugIndex", new { sortOrder = ViewBag.currentOrder == "asc" ? "desc" : "asc", sortField = "estimated_completion_date" })
@if (ViewBag.currentOrder == "asc" && ViewBag.CurrentField == "estimated_completion_date"){<img id="asc" src="@Url.Content("~/Images/ico_tablesortoffset_asc.gif")" alt = "Asc Arrow" />}
@if (ViewBag.currentOrder == "desc" && ViewBag.CurrentField == "estimated_completion_date"){<img id="desc" src="@Url.Content("~/Images/ico_tablesortoffset_desc.gif")" alt = "Desc Arrow" />}
</th>
<th>
@Html.ActionLink("Status", "BugIndex", new { sortOrder = ViewBag.currentOrder == "asc" ? "desc" : "asc", sortField = "status" })
@if (ViewBag.currentOrder == "asc" && ViewBag.CurrentField == "status"){<img id="asc" src="@Url.Content("~/Images/ico_tablesortoffset_asc.gif")" alt = "Asc Arrow" />}
@if (ViewBag.currentOrder == "desc" && ViewBag.CurrentField == "status"){<img id="desc" src="@Url.Content("~/Images/ico_tablesortoffset_desc.gif")" alt = "Desc Arrow" />}
</th>
<th>
@Html.ActionLink("Developer Comments", "BugIndex", new { sortOrder = ViewBag.currentOrder == "asc" ? "desc" : "asc", sortField = "developer_comments" })
@if (ViewBag.currentOrder == "asc" && ViewBag.CurrentField == "developer_comments"){<img id="asc" src="@Url.Content("~/Images/ico_tablesortoffset_asc.gif")" alt = "Asc Arrow" />}
@if (ViewBag.currentOrder == "desc" && ViewBag.CurrentField == "developer_comments"){<img id="desc" src="@Url.Content("~/Images/ico_tablesortoffset_desc.gif")" alt = "Desc Arrow" />}
</th>
<th>
@Html.ActionLink("Attachment", "BugIndex", new { sortOrder = ViewBag.currentOrder == "asc" ? "desc" : "asc", sortField = "attachment" })
@if (ViewBag.currentOrder == "asc" && ViewBag.CurrentField == "attachment"){<img id="asc" src="@Url.Content("~/Images/ico_tablesortoffset_asc.gif")" alt = "Asc Arrow" />}
@if (ViewBag.currentOrder == "desc" && ViewBag.CurrentField == "attachment"){<img id="desc" src="@Url.Content("~/Images/ico_tablesortoffset_desc.gif")" alt = "Desc Arrow" />}
</th>
<th></th>
</tr>
@{
var row_class = "odd";
}
@foreach (var item in Model)
{
row_class = row_class == "odd"? "even" : "odd";
<tr class="@row_class">
<td>
@Html.DisplayFor(modelItem => item.date_submitted)
</td>
<td>
@Html.DisplayFor(modelItem => item.submitted_by)
</td>
<td>
@Html.DisplayFor(modelItem => item.description)
</td>
<td>
@Html.DisplayFor(modelItem => item.priority)
</td>
<td>
@Html.DisplayFor(modelItem => item.estimated_completion_date)
</td>
<td>
@Html.DisplayFor(modelItem => item.status)
</td>
<td>
@Html.DisplayFor(modelItem => item.developer_comments)
</td>
<td>
@if (item.attachment != null){<img id="success" src="@Url.Content("~/Images/ico_confirmation_sml.gif")" alt = "attachment" />}
@if (item.attachment == null) {<img id="failure" src="@Url.Content("~/Images/ico_error_sml.gif")" alt = "no attachment" />}
<img src = "@Url.Content(string.Format("~/Uploads/{0}", item.attachment))" alt = "download" />
</td>
<td>
@Html.ActionLink("Edit", "EditBugs", new { id = item.bug_pk }) |
@Html.ActionLink("Delete", "DeleteBugs", new { id = item.bug_pk })
</td>
</tr>
}
</table>