jsp表达式
<%@ 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> <%! //返回九九乘法表对应的HTML代码,通过表达式来调用,在页面上显示 String printMultiTable1() { String s = ""; for(int i=1;i<=9;i++) { for(int j=1;j<=i;j++) { s+=i+"*"+j+"="+(i*j)+" "; } s+="<br>"; //追加换行标签 } return s; } //JSP内置out对象,使用脚本方式调用,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)+" "); } out.println("<br>"); //追加换行标签 } } %> <h1>九九乘法表</h1> <hr> <%=printMultiTable1()%> <br> <% printMultiTable2(out);%> <br> </body> </html> <%=printMultiTable1()%> <br> <% printMultiTable2(out);%>
不是说JSP的表达式前面要有一个=号吗
为啥 第二个没有 还有那个分号