package里元素必須按照一定的順序排列:
<result-types>
<interceptors>
<default-interceptor-ref>
<default-action-ref>
<default-class-ref>
<global-results>
<global-exception-mappings>
-
action*
(所有action放到最后)
<result-types>
<interceptors>
<default-interceptor-ref>
<default-action-ref>
<default-class-ref>
<global-results>
<global-exception-mappings>
action*
(所有action放到最后)