java ee

Question

<%
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
%>
if (request.getAttribute("yn")!=null) yn = request.getAttribute("yn")+"";pages2.jsp?action=<%=action %>&dz=<%=dz %>&yn=<%=yn %>pages2.jsp取不到到YN和dz的值；
  去掉
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
后
pages2.jsp可以拿到YN和DZ的值

Answer 1

和request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
根本没有关系！

Answer 2

传值给pages2的页面response.setcharacterencoding("UTF-8");

Answer 3

你把request.getAttribute("yn");换成request.getParameter(“yn”);或许就能够得到你想要的值了。试一下吧