十、会话状态
时间:2007-10-22 来源:不详 作者:林子
throws ServletException, IOException {
HttpSession session = request.getSession(true);
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String title = "Searching the Web";
String heading;
Integer accessCount = new Integer(0);;
if (session.isNew()) {
heading = "Welcome, Newcomer";
} else {
heading = "Welcome Back";
Integer oldAccessCount =
// 在Servlet API 2.2中使用getAttribute而不是getValue
(Integer)session.getValue("accessCount");
if (oldAccessCount != null) {
accessCount =
new Integer(oldAccessCount.intValue() 1);
}
}
// 在Servlet API 2.2中使用putAttribute
session.putValue("accessCount", accessCount);
out.println(ServletUtilities.headWithTitle(title)
"<BODY BGCOLOR=\"#FDF5E6\">\n"
"<H1 ALIGN=\"CENTER\">" heading "</H1>\n"
"<H2>Information on Your Session:</H2>\n"
"<TABLE BORDER=1 ALIGN=CENTER>\n"
"<TR BGCOLOR=\"#FFAD00\">\n"
" <TH>Info Type<TH>Value\n" 内容来自dedecms
"<TR>\n"
" <TD>ID\n"
" <TD>" session.getId() "\n"
"<TR>\n"
" <TD>Creation Time\n"
" <TD>" new Date(session.getCreationTime()) "\n"
"<TR>\n"
" <TD>Time of Last Access\n"
" <TD>" new Date(session.getLastAccessedTime()) "\n"
"<TR>\n"
" <TD>Number of Previous Accesses\n"
" <TD>" accessCount "\n"
"</TABLE>\n"
"</BODY></HTML>");
}
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}

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