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Created by James on July 19, 2009 20:51:23 Last update: January 11, 2011 20:14:18
If CSS3 border-image is properly supported, making a rounded corner box is very easy. You just need a round corner image like this: The following markup:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ...would render like this (try it in Firefox 3.5 and Google Chrome): However, IE as of version 8.0 does not support border-image . So until border-image is reliably supported in all major browsers, we still have to rely on tried and true tricks to make it work. In general, I found three general categories of tricks to make rounded corners: Good old tables. This trick creates a table of 9 cells and uses the 8 cells on the perimeter to render the borders and rounded corners. The central cell is used for...
Created by Fang on July 26, 2010 19:18:28 Last update: August 18, 2010 19:13:02
The tags <c:import> The <c:import> tag imports the contents of a URL and expose that in one of three ways: Import contents from a URL and write it out to the page (url may be relative or absolute):
<c:import url="theUrl" />Import contents from a URL and save it to a scoped variable string named by the var attribute. Use the scope attribute to define the scope of the exported variable.
<c:import url="theUrl" var="importTest" scope="ses...Import a URL and expose to a Reader object named by the varReader attribute. The scope attribute does not apply. The varReader scoped variable can only be accessed within the body of <c:import> .
<c:import url="theUrl" varReader="theReader"/><c:url> The <c:url> tag constructs a URL and writes it out to the...
Created by Fang on August 17, 2010 19:27:32 Last update: August 17, 2010 19:27:32
Get the length of a collection The length function returns the size of a collection. It can be applied to any object supported by the JSTL core tag <c:forEach> , namely: Arrays Implementation of java.util.Collection Implementation of java.util.Iterator Implementation of java.util.Enumeration Implementation of java.util.Map String When used on String , it returns the number of characters in the string. Test it Make these additions to the expanded test application : Create a new Java class LengthFunction :
package jstl.demo.handler; import java....Create a new JSP ( lengthfunction.jsp ) under webapp :
<%@ taglib uri="http://java.sun.com/jsp/jstl/c...Compile and package the WAR with: mvn package Deploy the WAR to a servlet container of your choice (for example, Tomcat or JBoss). Test the page with this URL...
Created by Fang on August 03, 2010 19:50:51 Last update: August 03, 2010 19:50:51
The tags <fmt:message> Writes out a formatted message for the current locale and resource bundle, or stores the resulting message to a scoped variable (when the var attribute is specified). Syntax:
<fmt:message key="messageKey" [bundle="resourc...Or, with parameters in body:
<fmt:message key="messageKey" [bundle="resourc...<fmt:bundle> Creates a resource bundle for the contained body. Syntax:
<fmt:bundle basename="basename" [prefix="prefi...<fmt:setBundle> Sets a resource bundle in a scoped variable, which may be used later by <fmt:message> . Syntax:
<fmt:setBundle basename="basename" [var="varNa...<fmt:param> This is used inside a <fmt:message> tag to specify a replacement parameter.
<fmt:param>The Parameter Value</fmt:param>Test it Make these additions to the expanded test application : Create 3 resource bundles and place them under src\main\resources . messages_en.properties :
label.login=Login label.username=User Name ...messages_es.properties :...
Created by Fang on April 01, 2010 22:24:58 Last update: April 02, 2010 02:49:38
In this note I'll show you how to create and package a JSP custom tag. The purpose of this tag is to display a random splash image for a home page, among a set of images. We should be able to add or delete candidate splash images from the WAR archive without the need to change the JSP. This is the intended use of the tag:
<%@ taglib uri="http://custom.tag.com/demo" prefix...In the above example you provide a set of images named splash*.png (e.g., splash1.png, spalsh2.png, ...), and the tag will pick a random one to display when the JSP is rendered. Let's get started. I'll use Maven for this purpose. Create the standard Maven directory structure
./pom.xml ./src ./src/main ./src/main/jav...pom.xml
package tagdemo; import java.util.ArrayList......