回形针 - 每个样式的默认样式?可能的 [英] Paperclip - Default Style per Style? Possible

问题描述

我正在使用回形针，并且有多种样式:

I'm using paperclip, and have several styles:

:styles => {:large => "300x300>", :medium => "150x150>", :small => "50x50>", :thumb => "30x30>" }

问题是 default_stype，仅适用于其中一种尺寸...:default_style => :thumb,:default_url => url 这里....

The issue is default_stype, only applies to one of the sizes... :default_style => :thumb, :default_url => url here....

如何为每种样式类型设置 default_stypes?所以如果我打电话:<%= image_tag @user.profile_pic.url(:large) %>

How can I set default_stypes for each style type? so if I call: <%= image_tag @user.profile_pic.url(:large) %>

LARGE 样式有一个 default_url?

The LARGE style has a default_url?

谢谢

推荐答案

我建议使用

has_attached_file :xyz, :url  => "/assets/:id", :path => ":rails_root/assets/photos/:attachable_type/:attachable_id/:id/:basename_:style.:extension",
                  :styles => { :large => "300x300>", :medium => "150x150>", :small => "50x50>", :thumb => "30x30>"}

并获得正确的样式

/assets/:id?style=:style

/assets/:id?style=:style

像 localhost:3000/assets/10?style=medium

like localhost:3000/assets/10?style=medium

注意:attacheable_type、attachable_id 来自多态关系..

Note: attacheable_type, attachable_id are coming from the polymorphic relations..

希望能帮到你...

rgds，

Kannan R

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