Rails <%provide%> more than one variable

Question

是否可以使用<％provide（：var，“ text）％>”方法为应用程序布局提供多个变量？如果是，语法是什么？

Answer 1

Not sure if it's possible to have two provide arguments, but there is a simple, if unsightly, solution:

<%provide(:var, "value)%>
<%provide(:var2, "value2")%>

Answer 2

If you want :var to have multiple values appended to it then, as per the explanation here , you should be using content_for . It says:

By default, content_for :thing appends whatever you put in your block to the previous value of :thing.