I FORMBEAN 1 The property initial can set initial value to a property. 2 Dynamic = "true" What's use? II JSP 1 <% @ Page ISELIGNORED = "false"%>? Specify whether the JSP uses El We can Refer The new features of the JSP 2.0 of the new feature>. 2 ? is the path to the current JSP file, so after the Dongdong can accurately use the URL of the current page instead of the URL submitted by IE, so it should be generally per page should be . Just rewrite the path, similar to the in JSTL. is a hyperlink usage. The biggest difference is: html: Rewrite can be used in the specified image path and JavaScript file path, and is definitely generating a "Dongdong like a Mark I may understand, but how to use? Can you give me a small sample code? I saw it in English documentation. It seems to be has better security, it can prevent users from modifying parameters in the address bar, is this? What should I use? Generally, it can be used, 
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