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在轨迹中正确显示@objcount}
原标题:Display @obj#{count} properly in rails

@objcount} @gt; 以在 DOM 中实际显示变量值, 而不是@obj0, @obj1 等

我有变量@obj0, @obj1, @obj2, 等, 我需要显示

最佳回答

有几个方法

首先,最正确的(IMHO)是将您所有的 vars 放在一个阵列和索引上。

 arr = [@obj0, @obj1, @obj2]

 <%= arr[count] %>

另一个选项是使用 eval 。 避免这种情况( 除非您知道自己在做什么 ) 。

<%= eval("obj#{count}") %>
问题回答

我不太知道你要干什么 但我想你想要

<%= @obj.count %>




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