randomresult.jsp

来自「jsp动态网站开发与实例(第3版) 源码」· JSP 代码 · 共 34 行

JSP
34
字号
<%@page contentType="text/html"%><%@page pageEncoding="ms950"%><%@page import="java.util.*"  %><html>    <head><title>猜数字</title></head>    <body>    <%        int num;        String msg = "" ;        String input = request.getParameter("value");        int value = Integer.parseInt(input);               if(session.getValue("num") == null){            Random ran = new Random();            num = ran.nextInt(100);            session.putValue("num",String.valueOf(num));        }        else            num = Integer.parseInt((String)session.getValue("num"));                if(value == num){            session.removeValue("num");            msg = "0";        }        else if(value < num)            msg = "1";        else            msg = "-1";               response.sendRedirect("usingRandom.jsp?msg=" + msg );    %>    </body></html>

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