Declaration and usage instructions of variables and methods in jsp-JS Tutorial-php.cn

Declaration and usage instructions of variables and methods in jsp

怪我咯

Release： 2017-07-06 11:33:15

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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>

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