application.jsp

来自「jakarta-taglibs」· JSP 代码 · 共 81 行

JSP
81 行
字号 
<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
<head>
   <title>Jakarta APPLICATION Taglib Example</title>
</head>
<body bgcolor="white">

<center>

<h1>
Jakarta APPLICATION Taglib Example</h1></center>
<br>
<%@ taglib uri="http://jakarta.apache.org/taglibs/application-1.0" prefix="app" %>
<p>
<pre>
See if initialization parameter named "foo" exists
<app:existsInitParameter name="foo">
   foo=<app:initParameter name="foo"/>
</app:existsInitParameter>
<app:existsInitParameter name="foo" value="false">
   Init parameter foo does not exist.              
</app:existsInitParameter>
See if initialization parameter "foo" equals "bar"
<app:equalsInitParameter name="foo" match="bar">
  foo=<app:initParameter name="foo"/>
</app:equalsInitParameter>
<app:equalsInitParameter name="foo" match="bar" value="false">
  Init parameter foo does does not equal "bar".
</app:equalsInitParameter>
Now loop through all initialization parameters
<app:initParameters id="inits">
   <jsp:getProperty name="inits" property="name"/> = <jsp:getProperty name="inits" property="value"/>
</app:initParameters>
Now loop through just the foo init parameter
<app:initParameters id="inits" name="foo">
   <jsp:getProperty name="inits" property="name"/> = <jsp:getProperty name="inits" property="value"/>
</app:initParameters>
Set an attribute named "myatt"
<app:setAttribute name="myatt">AAbb</app:setAttribute>
See if myatt attribute exists
<app:existsAttribute name="myatt">
   myatt=<app:attribute name="myatt"/>
</app:existsAttribute>
<app:existsAttribute name="myatt" value="false">
   Attribute myatt does not exist.
</app:existsAttribute>
See if myatt equals "aabb"
<app:equalsAttribute name="myatt" match="aabb">
  myatt=<app:attribute name="myatt"/>
</app:equalsAttribute>
<app:equalsAttribute name="myatt" match="aabb" value="false">
  Attribute myatt does not equal "aabb".
</app:equalsAttribute>
See if myatt equals "aabb", ignoring case
<app:equalsAttribute name="myatt" match="aabb" ignoreCase="true">
  myatt=<app:attribute name="myatt"/>
</app:equalsAttribute>
<app:equalsAttribute name="myatt" match="aabb" value="false" ignoreCase="true">
  Attribute myatt does not equal "aabb", ignoring case.
</app:equalsAttribute>
Now loop through all the attributes
<app:attributes id="att">
   <jsp:getProperty name="att" property="name"/> = <jsp:getProperty name="att" property="value"/>
</app:attributes>
Now loop through just the myatt attribute
<app:attributes id="att" name="myatt">
   <jsp:getProperty name="att" property="name"/> = <jsp:getProperty name="att" property="value"/>
</app:attributes>
Now remove the attribute myatt
<app:removeAttribute name="myatt"/>
See if myatt attribute exists
<app:existsAttribute name="myatt">
   myatt=<app:attribute name="myatt"/>
</app:existsAttribute>
<app:existsAttribute name="myatt" value="false">
   Attribute myatt does not exist.              
</app:existsAttribute>

</body>
</html>

application.jsp - 源码说明

本页面展示了「jakarta-taglibs」中的 application.jsp 源码文件，采用 JSP 编程语言编写，共 81 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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