Vector vecc = new Vector();
session.setAttribute("vecc",vecc);
jsp2.jsp
Vector ve = new Vector();
ve = (Vector)session.getAttribute("vecc");
ve.addElement(request.getParameter("ele"));
调试时发现ve为null,请教各位高手出了什么问题?
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有关session的问题
jsp1.jsp Vector vecc = new Vector(); session.setAttribute("vecc",vecc); jsp2.jsp Vector ve = new Vector(); ve = (Vector)session.getAttribute("vecc"); ve.addElement(request.getParameter("ele")); 调试时发现ve为null,请教各位高手出了什么问题?