样式表路径中的斜线 (/) 与波浪线斜线 (~/)

Slash (/) vs tilde slash (~/) in style sheet path(样式表路径中的斜线 (/) 与波浪线斜线 (~/))

问题描述

ASP.NET offers two ways to specify paths for style sheets:

<link href="/common/black_theme/css/style.css" rel="stylesheet">   (this is working)
<link href="~/common/black_theme/css/style.css" rel="stylesheet">  (this is not working)

• How are these paths resolved?
• Why are the generated paths different?
• Which one should I pick in which case?

As per my knowledge, ~ represents the root directory of the application. "common" is the folder below the website root (named testsite.demo) in IIS.

Physical path: D:PhysicalpathWarpFirstSite estsite.demo
"common" folder: D:PhysicalpathWarpFirstSite estsite.democommon

• / - Site root
• ~/ - Root directory of the application

The difference is that if you site is:

http://example.com

And you have an application myapp on:

http://example.com/mydir/myapp

/ will return the root of the site (http://example.com),

~/ will return the root of the application (http://example.com/mydir/).

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