[英]How to place two elements in a row while using .each loop in rails
我想在使用'.each'方法時每行顯示兩列代碼在表數據標記“”中。 但問題是以下代碼連續顯示一列。
<table>
<% @lease.apartment.roommates.each do |roommate| %>
<tr>
<td colspan="5">
<% unless roommate == @lease.second_occupant || roommate == @lease.user %>
<% if roommate.current_room.present? %>
<p>
<%= roommate.full_name %> -
<% if roommate.current_room.apartment == @lease.apartment%>
<%= roommate.current_room&.label %>
<% end %>
<br>Email:<%= roommate.email %><br>Phone:<%= roommate.phone %><br>
<% if @lease.end_at.present? %>
Lease End date (if applicable):<%= @lease.end_at %>
<% end %>
</p>
<% end %>
<% end %>
</td>
</tr>
<% end %>
</table>
您可以使用each_slice方法將數組划分為每個包含 2 個元素的切片:
<table>
<% @roommates.each_slice(2) do |roommate_slice| %>
<tr>
<td colspan="5">
<%= roommate_slice[0].full_name %>
<%= roommate_slice[1].full_name %>
</td>
</tr>
<% end %>
</table>
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