
String username = request.getParameter("username" String email = request.getParameter("email"
if (username != null && !username.trim().isEmpty()) {
%>
您好, <%= username %>!
您的邮箱: <%= email %>
IP地址: <%= request.getRemoteAddr() %>
会话ID: <%= session.getId() %>
<%
} else {
%>
错误: 未接收到用户信息
<%
}
%>