xml email Template and Email Notification

[soksImmem]

1.I must use xml to create a email template, and xml is stored in Oracle database,and i use a method sendEmail(String key,List params,String to, String CC){} to get template(use String key) and inject params to the xml template. 2. replace <#praram> in textbody with List params3. add to ,CC to rebuild this textbody4.then i have a email web service: notifications6.setCcEmailAddress("[email protected]") ; notifications6.setToEmailAddress("[email protected]") ; notifications6.setSubject("xx Email Notification TEST") ; notifications6.setMessage("This is a test.") ;i just wanna to know how to bulid this xml template and should i add a xslt file to style this xml? because in email body there are lots of message(fixed, not change).Thanks in advanced