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                        /JAVA遇見HTML——JSP篇

jsp表達式

<%@?page?language="java"?import="java.util.*"?contentType="text/html;?charset=utf-8"%>
<%
String?path?=?request.getContextPath();
String?basePath?=?request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE?HTML?PUBLIC?"-//W3C//DTD?HTML?4.01?Transitional//EN">
<html>
??<head>
????<base?href="<%=basePath%>">
????
????<title>My?JSP?'exercise.jsp'?starting?page</title>
????
????<meta?http-equiv="pragma"?content="no-cache">
????<meta?http-equiv="cache-control"?content="no-cache">
????<meta?http-equiv="expires"?content="0">????
????<meta?http-equiv="keywords"?content="keyword1,keyword2,keyword3">
????<meta?http-equiv="description"?content="This?is?my?page">
????<!--
????<link?rel="stylesheet"?type="text/css"?href="styles.css">
????-->

??</head>
??
??<body>
????<%!
???????//返回九九乘法表對應的HTML代碼，通過表達式來調用，在頁面上顯示?
???????String?printMultiTable1()
???????{
??????????String?s?=?"";
??????????for(int?i=1;i<=9;i++)
??????????{
?????????????for(int?j=1;j<=i;j++)
?????????????{
????????????????s+=i+"*"+j+"="+(i*j)+"&nbsp;&nbsp;&nbsp;&nbsp;";
?????????????}
?????????????s+="<br>";?//追加換行標簽
??????????}
??????????return?s;
???????}
???????
???????//JSP內置out對象，使用腳本方式調用，打印九九乘法表
???????void?printMultiTable2(JspWriter?out)?throws?Exception
???????{
???????????for(int?i=1;i<=9;i++)
???????????{
?????????????for(int?j=1;j<=i;j++)
?????????????{
????????????????out.println(i+"*"+j+"="+(i*j)+"&nbsp;&nbsp;&nbsp;&nbsp;");
?????????????}
?????????????out.println("<br>");?//追加換行標簽
??????????}
???????}
???????
????%>
????<h1>九九乘法表</h1>
????<hr>
????<%=printMultiTable1()%>
????<br>
????<%?printMultiTable2(out);%>
????<br>
????
??</body>
</html>







<%=printMultiTable1()%>
????<br>
????<%?printMultiTable2(out);%>

不是說JSP的表達式前面要有一個=號嗎

為啥第二個沒有還有那個分號