自定义will_paginage

自定义will_paginage输出 ill_paginate是Rails中比较常用的分页插件，但是有时候我们可能想要自定义它的输出，这可以通过扩展WillPaginate::LinkRenderer类来实现，比如，下面的renderer将会去除Next和Previous链接： Ruby代码
    class CustomPaginationRenderer < WillPaginate::LinkRenderer
    def to_html
        links = @options[:page_links] ? windowed_links : []
        html = links.join(@options[:separator])
    @options[:container] ? @template.content_tag(:div, html, html_attributes) : html
    end
    end
    class CustomPaginationRenderer < WillPaginate::LinkRenderer
    def to_html
        links = @options[:page_links] ? windowed_links : []
        html = links.join(@options[:separator])
    @options[:container] ? @template.content_tag(:div, html, html_attributes) : html
    end
    end

    class CustomPaginationRenderer < WillPaginate::LinkRenderer
    def to_html
        links = @options[:page_links] ? windowed_links : []
        html = links.join(@options[:separator])
    @options[:container] ? @template.content_tag(:div, html, html_attributes) : html
    end
    end 要在view中使用这个自定义的renderer，只需要加上:renderer参数即可： Html代码
    <%= will_paginate @items, ;:renderer => ‘CustomPaginationRenderer’ %>
    view plaincopy to clipboardprint?
    <%= will_paginate @items, ;:renderer => ‘CustomPaginationRenderer’ %>

    <%= will_paginate @items, ;:renderer => ‘CustomPaginationRenderer’ %>
    下面给出一个更复杂的自定义Renderer，它会在分页链接后显示一个文本框，以及一个‘Goto’按钮，允许用户直接跳转到某一页： Ruby代码
    class CustomPaginationRenderer < WillPaginate::LinkRenderer
      @@id = 1
    def to_html
        links = @options[:page_links] ? windowed_links : []
    # previous/next buttons
        links.unshift page_link_or_span(@collection.previous_page, ‘disabled’, @options[:prev_label])
        links.push    page_link_or_span(@collection.next_page,     ‘disabled’, @options[:next_label])
        html = links.join(@options[:separator])
        html += goto_box
    @options[:container] ? @template.content_tag(:div, html, html_attributes) : html
    end
      private
    def goto_box
        @@id += 1
        @@id = 1 if @@id > 100
      <<-GOTO
       
       
       
        GOTO
    end
    end
 

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