jsp中的一个小小疑问
<%@ page contentType="text/html;charset=UTF-8" %><%! int count = 0; %><% response.setHeader("refresh","1"); %><%=count++%>为什么不可以写成<%@ page contentType="text/html;charset=UTF-8" %><% static int count = 0; %><% response.setHeader("refresh","1"); %><%=count++%>