@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
@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
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}") %>
我不太知道你要干什么 但我想你想要
<%= @obj.count %>
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