Why can log on but registration and display database tables are not to come out

Public void list (it request, HttpServletResponse response)
Throws ServletException, IOException {



The String key=request. The getParameter (" key ");
if (!" ". The equals (key) & amp; & The key!=null) {
Request. SetAttribute (" staffList ", staffService. Search (key));
}
The else {
Request. SetAttribute (" staffList ", staffService. Search (" "));
}
//store the request scope, jump to/ABC/staff/staff_list JSP page
Request. SetAttribute (" page ", PageContext getpages ());
Request. GetRequestDispatcher ("./ABC/staff/staff_list JSP "). The forward (
The request, response);
}



The JSP page
<% @ page language="Java" contentType="text/HTML. Charset=utf-8 "
PageEncoding="utf-8" % & gt;
<% @ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" % & gt; <%
String path=request. GetContextPath ();
String=basePath request. GetScheme () + "://" + request. GetServerName () + ":" + request. GetServerPort () + + "/" path;
%>


<meta HTTP - equiv="content-type" Content="text/HTML. Charset=utf-8 "/& gt;