_url VS. _path

原创于 2009-07-13 21:56:59 发布 · 86 阅读

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本文解释了Rails框架中url辅助方法与path辅助方法的区别：url辅助方法生成包含协议和主机名的完整URL；而path辅助方法仅生成路径部分。通常推荐使用_path辅助方法，除非需要指定主机或协议。

from http://www.ruby-forum.com/topic/101346

The users_url helper generates a URL that includes the protocol and host 
name.  The users_path helper generates only the path portion.

users_url: http://localhost/users

users_path: /users

Mostly you should use the _path flavor. If you need to spec the host or 
protocol (like for talking to another app or service), then use the _url 
flavor.