public static MvcHtmlString Download(this HtmlHelper htmlHelper, IContainFiles entity, string fileTitle = "")
{
var entityId = entity.GetType().GetProperty("Id").GetValue(entity, null).ToString();
var containerDiv = new TagBuilder("div");
var rowDiv = new TagBuilder("div");
rowDiv.MergeAttribute("class", "row");
foreach (var file in entity.GetFiles(fileTitle))
{
var colDiv = new TagBuilder("div");
colDiv.MergeAttribute("class", "col-sm-12");
var i = new TagBuilder("i");
i.MergeAttribute("class", "glyphicon glyphicon-paperclip");
var span = new TagBuilder("span");
span.MergeAttribute("class", "text-muted");
span.InnerHtml += string.Format("（{0}）", file.Size());
colDiv.InnerHtml += i;
colDiv.InnerHtml += " ";
var id = EntityFileIdentifier.of(entityId, file.Id);
colDiv.InnerHtml += htmlHelper.ActionLink(file.Name, "DownloadFile", new { id });
colDiv.InnerHtml += span;
rowDiv.InnerHtml += colDiv;
}
containerDiv.InnerHtml += rowDiv;
return(new MvcHtmlString(containerDiv.ToString(TagRenderMode.Normal)));
}
public static MvcHtmlString Upload(this HtmlHelper htmlHelper, IContainFiles entity, string fileTitle = "")
{
var ajaxHelper = new AjaxHelper(htmlHelper.ViewContext, htmlHelper.ViewDataContainer);
var urlHelper = new UrlHelper(htmlHelper.ViewContext.RequestContext);
var entityId = entity.GetType().GetProperty("Id").GetValue(entity, null).ToString();
var uploadButtonId = string.Format("upload{0}", Guid.NewGuid());
var containerDiv = new TagBuilder("div");
if (entity.GetFiles(fileTitle).Any())
{
var rowDiv = new TagBuilder("div");
rowDiv.MergeAttribute("class", "row");
foreach (var file in entity.GetFiles(fileTitle))
{
var colDiv = new TagBuilder("div");
colDiv.MergeAttribute("class", "col-sm-12");
var i = new TagBuilder("i");
i.MergeAttribute("class", "glyphicon glyphicon-paperclip");
var span = new TagBuilder("span");
span.MergeAttribute("class", "text-muted");
span.InnerHtml += string.Format("（{0}）", file.Size());
colDiv.InnerHtml += i;
var id = EntityFileIdentifier.of(entityId, file.Id);
colDiv.InnerHtml += htmlHelper.ActionLink(file.Name, "DownloadFile", new { id });
colDiv.InnerHtml += span;
colDiv.InnerHtml += ajaxHelper.ActionLink("删除", "RemoveFile", new { id },
ajaxHelper.Options().Post().Confirm(string.Format("确认删除吗？")),
new { @class = "text-danger" });
rowDiv.InnerHtml += colDiv;
}
containerDiv.InnerHtml += rowDiv;
}
var iUploadButton = new TagBuilder("i");
iUploadButton.MergeAttribute("class", "fa fa-upload");
var uploadButton = new TagBuilder("a");
uploadButton.MergeAttribute("class", "btn btn-default btn-xs");
uploadButton.MergeAttribute("data-pjax", "");
uploadButton.MergeAttribute("id", uploadButtonId);
uploadButton.InnerHtml += iUploadButton;
uploadButton.InnerHtml += " 点击上传";
containerDiv.InnerHtml += uploadButton;
containerDiv.InnerHtml += new TagBuilder("b");
var scriptFormat = @"
<script type='text/javascript'>
$(function () {{
var uploader = new plupload.Uploader({{
runtimes: 'html5,flash,silverlight,html4',
browse_button: '{0}',
url: '{1}',
filters: {{
max_file_size: '100mb',
mime_types: [
{{ title: 'Image files', extensions: 'jpg' }},
{{ title: 'PDF files', extensions: 'pdf' }},
{{ title: 'Zip files', extensions: 'zip,rar' }}
]
}},
init: {{
FilesAdded: function (up, files) {{
plupload.each(files, function (file) {{
uploader.start();
return false;
}});
}},
UploadProgress: function(up, file) {{
$('#{0}').next('b').html('<span>' + file.percent + '%</span>')
}},
Error: function(up, err) {{
$.sticky(err.message, {{ autoclose: 5000, position: 'top-right', type: 'st-error' }});
}},
FileUploaded: function (up, file, info) {{
$.sticky('上传成功', {{ autoclose: 5000, position: 'top-right', type: 'st-success' }});
$('#main_content').html(info.response);
}},
}},
}});
uploader.init();
}})
</script>";
containerDiv.InnerHtml += string.Format(scriptFormat, uploadButtonId, urlHelper.Action("UploadFile", new { id = entityId, title = fileTitle }));
return(new MvcHtmlString(containerDiv.ToString(TagRenderMode.Normal)));
}
public static MvcHtmlString UploadOrDownload(this HtmlHelper htmlHelper, bool showUpload, IContainFiles entity, string fileTitle = "")
{
return(showUpload ? Upload(htmlHelper, entity, fileTitle) : Download(htmlHelper, entity, fileTitle));
}
