JSP中正則表達式用法實例

2024-09-05 00:22:24

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這篇文章主要介紹了JSP中正則表達式用法,實例分析了JSP中正則表達式的簡單使用技巧,具有一定參考借鑒價值,需要的朋友可以參考下

本文實例講述了JSP中正則表達式用法。分享給大家供大家參考，具體如下：

<%@ page language="java" import="java.util.*,cn.com.Person,cn.com.Adddress" pageEncoding="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 'El.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">



</head>

<body>

<%

String data="assd";

request.setAttribute("data", data);

%>



${data }

 

<%

Person p=new Person();

p.setName("name");

request.setAttribute("person", p);

%>



${person.name}

 

<%

Person p2=new Person();

Adddress add=new Adddress();

add.setCity("NewYork");

p2.setAddress(add);

request.setAttribute("p2", p2);

%>



${p2.address.city}

 

<%

ArrayList list=new ArrayList();

list.add(new Person("wy"));

list.add(new Person("wyy"));

list.add(new Person("wyyy"));

request.setAttribute("list", list);

%>



${list[1].name }

 

<%

Map map=new HashMap();

map.put("1", new Person("aaaa"));

map.put("b", new Person("bbbb"));

map.put("c", new Person("cccc"));

map.put("d", new Person("dddd"));

request.setAttribute("map", map);

%>



${map.b.name}

${map['1'].name }

 



${pageContext.request.contextPath}

<a href="${pageContext.request.contextPath}/demo1.jsp" >點</a>

</body>

</html>