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我想如下设置会话值:值在JSP/Servlet会话是空
if (request.getParameter("page") != null) {
page = Integer.parseInt(request.getParameter("page").toString());
}
if (request.getParameter("se_tempcardnumber") != null) {
tempcardnumber = request.getParameter("se_tempcardnumber").toString();
session.setAttribute("session_tempcardnumber", tempcardnumber);
}
if (request.getParameter("se_empid") != null) {
empid = request.getParameter("se_empid").toString();
session.setAttribute("session_empid", empid);
}
if (request.getParameter("se_issuedate") != null) {
issuedate = request.getParameter("se_issuedate").toString();
session.setAttribute("session_issuedate",issuedate);
}
if (request.getParameter("se_cardstatus") != null) {
cardstatus = request.getParameter("se_cardstatus").toString();
session.setAttribute("session_cardstatus", cardstatus);
}
和我尝试如下访问会话值:
if(session.getAttribute("session_empid")!=null) {
session_empid =(String)session.getAttribute("session_empid");
}
if(session.getAttribute("session_tempcardnumber")!=null) {
session_tempcardnumber =(String)session.getAttribute("session_tempcardnumber");
}
if(session.getAttribute("session_issuedate")!=null) {
session_issuedate =(String)session.getAttribute("session_issuedate");
}
if(session.getAttribute("session_cardstatus")!=null) {
session_cardstatus =(String)session.getAttribute("session_cardstatus");
System.out.println("session_cardstatus : "+session_cardstatus);
}
用于测试目的我为System.out.println("session_cardstatus : "+session_cardstatus);
单独设置了值,并且打印了相同的内容。
它首次被打印出来,但是当它第二次出现时,虽然我不会在会话中删除任何设置变量,
请告诉我如何去;
感谢和问候