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Java Web之九九乘法表

2024-09-13 15:05:45   218人阅读



NineTabs.jsp



 1 <%@ page language="java" import="java.util.*"  contentType="text/html; charset=utf-8"%>
 2 <%
 3 String path = request.getContextPath();
 4 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 5 %>
 6 
 7 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 8 <html>
 9   <head>
10     <base href="<%=basePath%>">
11     
12     <title>My JSP ‘NineTabs.jsp‘ starting page</title>
13     
14     <meta http-equiv="pragma" content="no-cache">
15     <meta http-equiv="cache-control" content="no-cache">
16     <meta http-equiv="expires" content="0">    
17     <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
18     <meta http-equiv="description" content="This is my page">
19     <!--
20     <link rel="stylesheet" type="text/css" href="http://www.mamicode.com/styles.css">
21     -->
22 
23   </head>
24   
25   <body>
26      <%! 
27      //返回九九乘法表对应的html代码,通过表达式来调用，在页面上显示
28                String  printMultiTable1(){
29                    String s=" ";
30                    for(int i=1;i<10;i++){
31                        for(int j=1;j<=i;j++){
32                            s+=i+"*"+j+"="+(i*j)+"&nbsp;&nbsp;&nbsp;";
33                        }
34                        s+="<br>";//追加换行标签
35                    }
36                    return s;
37                }
38                
39                //JSP内置out对象，使用脚本方式调用,打印九九乘法表
40                void printMultiTable2(JspWriter out) throws Exception{
41                    for(int i=1;i<10;i++){
42                        for(int j=1;j<=i;j++){
43                            out.println(i+"*"+j+"="+(i*j)+"&nbsp;&nbsp;&nbsp;");
44                        }
45                        out.println("<br>");//追加换行标签
46                    }
47                }
48      %>
49      
50     <h1>九九乘法表</h1>
51     <hr>
52     <%=printMultiTable1()%>
53     <br>
54     <%  printMultiTable2(out); %>
55     <br>
56   </body>
57 </html>




 
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