如何ScriptManager
为我的自定义 jQuery 使用任何带有 CDN 回退的 CDN ScriptResourceDefinition
?
当我使用 时ajax.aspnetcdn.com
,我的浏览器会正确呈现<script>
带有 CDN URL 的标签,然后编写回退代码以<script>
使用本地 URL 编写新标签。
ASPX
<asp:ScriptManager ID="scriptManager" runat="server" EnablePartialRendering="true" EnableCdn="true" EnableCdnFallback="true">
<Scripts>
<asp:ScriptReference Name="jquery" />
</Scripts>
</asp:ScriptManager>
CS
string jQueryVersion = "1.11.2";
ScriptManager.ScriptResourceMapping.AddDefinition(
"jquery",
new ScriptResourceDefinition()
{
DebugPath = "~/Scripts/jquery-" + jQueryVersion + ".js",
Path = "~/Scripts/jquery-" + jQueryVersion + ".min.js",
CdnDebugPath = "http://ajax.aspnetcdn.com/ajax/jQuery/jquery-" + jQueryVersion + ".js",
CdnPath = "http://ajax.aspnetcdn.com/ajax/jQuery/jquery-" + jQueryVersion + ".min.js",
CdnSupportsSecureConnection = true,
LoadSuccessExpression = "window.jQuery"
});
输出
<script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.11.2.min.js" type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
(window.jQuery)||document.write('<script type="text/javascript" src="Scripts/jquery-1.11.2.min.js"><\/script>');//]]>
</script>
问题
但是,如果我使用code.jquery.com
或ajax.googleapis.com
作为 CDN 服务器,无论如何我都会得到本地副本:
CS
...<snip>...
CdnDebugPath = "http://code.jquery.com/jquery-" + jQueryVersion + ".js",
CdnPath = "http://code.jquery.com/jquery-" + jQueryVersion + ".min.js",
...<snip>...
输出
<script src="Scripts/jquery-1.11.2.min.js" type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
(window.jQuery)||document.write('<script type="text/javascript" src="Scripts/jquery-1.11.2.min.js"><\/script>');//]]>
</script>