JSP include action

jsp:include action tag

The jsp:include action tag is used to include the content of another resource it may be jsp, html or servlet.

The jsp include action tag includes the resource at request time so it is better for dynamic pages because there might be changes in future.

The jsp:include tag can be used to include static as well as dynamic pages.

Code reusability : We can use a page many times such as including header and footer pages in all pages. So it saves a lot of time.

JSP include directive	JSP include action
includes resource at translation time.	includes resource at request time.
better for static pages.	better for dynamic pages.
includes the original content in the generated servlet.	calls the include method.

  <jsp:include page=”relativeURL | <%= expression %>”> <jsp:param name=”parametername” value=”parametervalue | <%=expression%>” /> </jsp:include>  

In this example, index.jsp file includes the content of the printdate.jsp file.

File: index.jsp

 <h2>this is index page</h2>  <jsp:include page=”printdate.jsp” />  <h2>end section of index page</h2> 

File: printdate.jsp

jsp include tag

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