题目内容

通过调用HttpServletRequest的( )方法能够得到HttpSession

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如果要获取请求客户端的IP地址,应使用( )对象。

Session对象getId方法的作用是()

scope=”Application”表示JavaBean 可以表示当服务器关闭时,( )

有如下代码------demo.jsp----<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-8"%>测试<%pageContext.setAttribute("info","page");request.setAttribute("info","request");pageContext.setAttribute("info","request2",pageContext.REQUEST_SCOPE);session.setAttribute("info","session");pageContext.setAttribute("info","session2",pageContext.SESSION_SCOPE);application.setAttribute("info","app");pageContext.setAttribute("info","app2",pageContext.APPLICATION_SCOPE);%>------demo1.jsp----<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-8"%>MyJSP'demo.jsp'startingpageinfo1:${pageScope.info}
info2:${info}
info3:${sessionScope.info}
info4:${applicationScope.info}在demo1.jsp页面输出显示的结果是:(1)在当前浏览器上的另一个标签,直接浏览demo1.jsp,在demo1.jsp页显示输出( 2 )这时打开另一浏览器,直接浏览demo1.jsp,在demo1.jsp页显示输出( 3 )

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