我正在我的SampleServlet.java文件中进行以下操作:
//Fill resultset from db
....
try {
ArrayList Rows = new ArrayList();
while (resultSet.next()){
ArrayList row = new ArrayList();
for (int i = 1; i <= 7 ; i++){
row.add(resultSet.getString(i));
}
Rows.add(row);
}
request.setAttribute("propertyList", Rows);
RequestDispatcher requestDispatcher = getServletContext().getRequestDispatcher("/DisplayProperties.jsp");
requestDispatcher.forward(request,response);
然后在我的JSP文件DisplayPropeties.jsp中,我有以下内容:
<%
ArrayList rows = new ArrayList();
if (request.getSession().getAttribute("propertyList") != null) {
rows = (ArrayList ) request.getSession().getAttribute("propertyList");
}
%>
但是rows
始终为空。
我做错了什么?