Max*_*Max 25 asp.net-mvc asp.net-mvc-partialview asp.net-mvc-views razor asp.net-mvc-3
在MVC3项目中,我有一个带有此代码的"_Layout.vbhtml"文件
<!DOCTYPE html>
<html>
<head>
</head>
<body>
...
<script src="@Url.Content("~/Scripts/jquery-1.8.2.min.js")"></script>
@RenderSection("Scripts", false)
</body>
</html>
然后,我在共享文件夹中有一个部分视图"ValidationScripts.vbhtml"
@Section Scripts
<script src="@Url.Content("~/Scripts/jquery.validate.min.js")"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.fix.js")"></script>
<script src="@Url.Content("~/Scripts/localization/messages_de.js")"></script>
End Section
如果我从这样的视图中调用部分视图...
@ModelType MvcExample.MyModel
@Code
ViewData("Title") = "Test"
End Code
@Html.Partial("ValidationScripts")
<h2>Just a Test</h2>
...
"脚本"部分未在页面上呈现,输出HTML为
<!DOCTYPE html>
<html>
<head>
</head>
<body>
...
<script src="@Url.Content("~/Scripts/jquery-1.8.2.min.js")"></script>
</body>
</html>
如何在局部视图中渲染剖面？
Eri*_*ips 46
我在重复的脚本之上有同样的问题,所以我创建了几个Extension方法:
public static class HtmlHelperExtensions
{
private const string _jSViewDataName = "RenderJavaScript";
private const string _styleViewDataName = "RenderStyle";
public static void AddJavaScript(this HtmlHelper htmlHelper,
string scriptURL)
{
List<string> scriptList = htmlHelper.ViewContext.HttpContext
.Items[HtmlHelperExtensions._jSViewDataName] as List<string>;
if (scriptList != null)
{
if (!scriptList.Contains(scriptURL))
{
scriptList.Add(scriptURL);
}
}
else
{
scriptList = new List<string>();
scriptList.Add(scriptURL);
htmlHelper.ViewContext.HttpContext
.Items.Add(HtmlHelperExtensions._jSViewDataName, scriptList);
}
}
public static MvcHtmlString RenderJavaScripts(this HtmlHelper HtmlHelper)
{
StringBuilder result = new StringBuilder();
List<string> scriptList = HtmlHelper.ViewContext.HttpContext
.Items[HtmlHelperExtensions._jSViewDataName] as List<string>;
if (scriptList != null)
{
foreach (string script in scriptList)
{
result.AppendLine(string.Format(
"<script type=\"text/javascript\" src=\"{0}\"></script>",
script));
}
}
return MvcHtmlString.Create(result.ToString());
}
public static void AddStyle(this HtmlHelper htmlHelper, string styleURL)
{
List<string> styleList = htmlHelper.ViewContext.HttpContext
.Items[HtmlHelperExtensions._styleViewDataName] as List<string>;
if (styleList != null)
{
if (!styleList.Contains(styleURL))
{
styleList.Add(styleURL);
}
}
else
{
styleList = new List<string>();
styleList.Add(styleURL);
htmlHelper.ViewContext.HttpContext
.Items.Add(HtmlHelperExtensions._styleViewDataName, styleList);
}
}
public static MvcHtmlString RenderStyles(this HtmlHelper htmlHelper)
{
StringBuilder result = new StringBuilder();
List<string> styleList = htmlHelper.ViewContext.HttpContext
.Items[HtmlHelperExtensions._styleViewDataName] as List<string>;
if (styleList != null)
{
foreach (string script in styleList)
{
result.AppendLine(string.Format(
"<link href=\"{0}\" rel=\"stylesheet\" type=\"text/css\" />",
script));
}
}
return MvcHtmlString.Create(result.ToString());
}
}
在任何视图或部分视图或显示/编辑模板上,您只需添加所需内容:
@{
Html.AddJavaScript("http://cdn.jquerytools.org/1.2.7/full/jquery.tools.min.js");
}
在您的布局中,您可以将其渲染到您想要的位置:
<!DOCTYPE html>
<html lang="en">
<head>
@Html.RenderStyles()
@Html.RenderJavascripts()
您可能遇到的唯一问题是如果复杂化,脚本的呈现顺序.如果这成为一个问题,只需将脚本添加到视图/模板的底部,然后在呈现它们之前简单地反转扩展方法中的顺序.
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