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public class MyAjaxTest1Action extends Action {

public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
System.out.println("is testaction!");
UserDao ud = new UserDao();

try {
request.setCharacterEncoding("gb2312");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
try {
String msgStr = "";
response.setContentType("text/xml;charset=GB2312");
response.setHeader("Cache-Control", "no-cache");
String name = (String) request.getParameter("names");
// System.out.println("name = " + name);
if (ud.validateUname(name)) { // ÕÒ²éÊý¾Ý¿âÖÐÓÐÎÞ¸ÃÓû§Ãû
msgStr = "¶Ô²»Æð,´ËÓû§ÃûÒѾ­´æÔÚ,Çë¸ü»»Óû§Ãû×¢²á!";
} else {
msgStr = "Óû§Î´±»×¢²á,¿ÉÒÔʹÓÃ!";
}
System.out.println("is validate ok!");
response.getWriter().println(msgStr);
response.getWriter().close();

} catch (Exception ex) {

}
return null;
}
}

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package com.ljc.rank.ajax;

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import javax.servlet.http.HttpServlet;
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