Home > Article > Web Front-end > Declaration and usage instructions of variables and methods in jsp

Declaration and usage instructions of variables and methods in jsp

怪我咯Original: 2017-07-06 11:33:152410browse

This article mainly introduces the declaration and use of variables and methods in jsp. It analyzes the declaration of variables in jsp, assignment and method definition and usage skills in the form of examples. Friends in need can refer to it. Next

The examples in this article describe the declaration and use of variables and methods in jsp. Share it with everyone for your reference, the details are as follows:

<%@ page language="java" import="java.util.*" contentType="text/html;charset=GBK"%>
<%
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>JSP 中声明的使用</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>
  <h1 align="center">演示声明的使用</h1>
  <%--声明变量--%>
  <%!long i = 1,j=1; %>
  <%!String name="陈宁"; %>
  <%!String name2="官林辉"; %>
  <%--声明方法--%>
  <%!public String sayHello(String who)
   {
   return "您好："+who;
   }
   %>
   <p align="center">
   <%
   out.println(sayHello(name));
   out.println("<br>");
   out.println("您是第"+i+"个访问本网站的用户！");
   i++;
   %>
   <% Date time = new Date();
    out.write(time.toLocaleString());
   %>
   </p>
   <p align="center">
   <%=sayHello(name2)%> 
   <br>
   您是第<%= j%>个访问本网站的用户！
   <%j++;%>
   </p>
 </body>
</html>

The above is the detailed content of Declaration and usage instructions of variables and methods in jsp. For more information, please follow other related articles on the PHP Chinese website!

Statement：

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Previous article：Detailed explanation of implicit declaration method of Javascript var variableNext article：Detailed explanation of implicit declaration method of Javascript var variable

See more

Declaration and usage instructions of variables and methods in jsp

Related articles