Insert html elements dynamically into a template of jsp file
I want to insert some html elements dynamically into a template of jsp file.
I know I can do this by using a code snippet of javascript, but I wonde开发者_C百科r is there better ways?
Here my example:
myTemplate.jsp
......
<div id="content"></div>
.....
myPage.jsp
<jsp:include page="myTemplate.jsp"></jsp:include>
//This the line which I'm searching if there is.
setContent into the div with id "content"
That's not possible with JSP. Consider migrating from JSP to Facelets. It's a XHTML based view technology. Then you'll be able to achieve the desired functionality with <ui:insert> and <ui:define>.
/WEB-INF/web.xml
<servlet>
<servlet-name>facesServlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>facesServlet</servlet-name>
<url-pattern>*.xhtml</url-pattern>
</servlet-mapping>
/WEB-INF/template.xhtml
<!DOCTYPE html>
<html lang="en" xmlns:ui="http://xmlns.jcp.org/jsf/facelets">
<head>
<title><ui:insert name="title" /></title>
</head>
<body>
<ui:insert name="content" />
</body>
</html>
/page.xhtml
<ui:composition template="/WEB-INF/template.xhtml" xmlns:ui="http://xmlns.jcp.org/jsf/facelets">
<ui:define name="title">Page title</ui:define>
<ui:define name="content">
<div id="content"></div>
</ui:define>
</ui:composition>
Calling /page.xhtml in webbrowser will end up as
<!DOCTYPE html>
<html lang="en">
<head>
<title>Page title</title>
</head>
<body>
<div id="content"></div>
</body>
</html>
Another advantage of Facelets is the builtin support for JSF, a component based MVC framework.
Well, whatever framework you will use, that will be translated to some Browser Component[javascript/flash/applet] and some Server Side component[Servlet/Filter], if you want to modify content dynamically, without refreshing the page. From that perspective plain JavaScript/Servlet combination is fine. But for manageability perspective, use any java framework which has Ajax support. JSF2, JSF with RichFaces, GWT etc. to name a few.
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