请教一个Tornado框架模板中循环的问题。 - V2EX
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paulguo
V2EX    Tornado

请教一个Tornado框架模板中循环的问题。

  •   
  •   paulguo 2012-07-11 23:24:58 +08:00 6019 次点击
    这是一个创建于 4839 天前的主题，其中的信息可能已经有所发展或是发生改变。
    {% for i in data %}
    ...
    <div class="">
    </div>
    {% end %}

    如何每隔一条输出一个className标志？
  • div
  • END
  • Data
    7 条回复    1970-01-01 08:00:00 +08:00
    Brutal
        1
    Brutal  
       2012-07-11 23:28:11 +08:00
    {% set i = 1%}
    <div class="{% if i % 2 == 0 %} className {% end %}">
    ...

    {% set i = i + 1 %}
    paulguo
        2
    paulguo  
    OP
       2012-07-11 23:29:28 +08:00
    @Brutal thanks.
    yoyicue
        3
    yoyicue  
       2012-07-11 23:33:46 +08:00
    https://groups.google.com/group/python-tornado/browse_thread/thread/14821f99691291f8

    木有 jinja2 优雅
    paulguo
        4
    paulguo  
    OP
       2012-07-11 23:53:52 +08:00
    @yoyicue 确实，tornado自带的的确有点弱，未定义的变量都没法检测，还要try。
    CoX
        5
    CoX  
       2012-07-12 00:18:28 +08:00   1
    {% for idx,item in enumerate(data) %}
    ...
    <div class="{% if idx % 2 == 0 %} className {% end %}">
    </div>
    {% end %}
    paulguo
        6
    paulguo  
    OP
       2012-07-12 13:25:05 +08:00
    @Cox thanks~ 这样好很多
    hartnett
        7
    hartnett  
       2013-01-07 12:26:11 +08:00
    thx，不错的方法。
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