<%--
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User: x'b'w
Date: 2021/5/21
Time: 19:36
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--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
例子1的练习
浏览人数
<%
Integer cou = (Integer) session.getAttribute("cou");
if (cou == null){
cou = 1;
session.setAttribute("cou",cou);
}else {
cou ++;
session.setAttribute("cou",cou);
}
%>
你是第<%=
cou
%>位访客