thymeleaf introducing a segment of the public pages

Introducing a common fragment
introduced th attribute common segments, three modes

th: insert
the common fragment of the entire insert element declaration to the introduced

th: replace
the element declarations introduced to replace the common segments

th: include
the contents of the segment to be introduced, into this tab comprising

Extracting the common segments

 <footer th:fragment="copy">
  2011
 </footer>

The introduction of way

1 <div th:insert="footer :: copy"></div>
2 <div th:replace="footer :: copy"></div>
3 <div th:include="footer :: copy"></div>

Syntax ~ {template name is introduced (i.e. html) :: fragment name} 
wavy lines, braces can write, can not write

However, writing in the row [[{~}]], [({} ~)] 
must add {} ~