jadePageing.jade

mixin paging( page_config )
    -
        var baseUrl = page_config.baseUrl ? page_config.baseUrl + "?page=" : '?page=' ,
            preHTML = page_config.preHTML ,
            limit = Number( page_config.limit ) ,
            offset = Number( page_config.offset ) ,
            count = Number( page_config.count ) ,
            now = Math.ceil( ( offset + 1 ) / limit ) ,
            all = Math.ceil( count / limit ) ,
            half_all = Math.ceil( all / 2 ) ;
    if now > all
        span.hide 当前页数大于总页数,分页失败
    else
        .flip_page.yellow_page
            -
                var no_link = 'javascript:void(0);' ,
                    link = '' ,
                    link_prev = now <= 1 ? no_link : baseUrl + 1  ,
                    link_next = now >= all ? no_link : baseUrl + ( now + 1 )  ;
            span.flip_page_wraper !{preHTML}
            a.prev_page(href='#{ link_prev }') 上一页
            -   for( var i = 1 ; i <= all ; i++ ){
            -       var diff = i - now ;
            -       if( Math.abs( diff ) <= 2 ){ link = i == now ? no_link : baseUrl + i ;
            a(href='#{ link }',class={now: i == now}) #{ i }
            -       }else{
            -            if( i <= 3 ){ link = i == now ? no_link : baseUrl + i ;
            a(href='#{ link }',class={now: i == now})= i
            -           }else if( all - i < 3 ){ link = i == now ? no_link : baseUrl + i ;
            a(href='#{ link }',class={now: i == now})= i
            -           }else{
            -               if( i == now + 3 || i == now - 3 ){
            a(href='#{no_link}') ...
            -               }else{
            -                   continue;
            -               }
            -           }
            -       }
            -   }
            a.next_page(href='#{ link_next }') 下一页