Admin: 1 версия

2010-06-01T05:07:29Z

1 версия

в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

Новая страница

== Call Bean Constructor To Pass In Message ==

<p>Jsp code</p>



<source lang="java">
<HTML>
<HEAD>
<TITLE>Using a JavaBean</TITLE>
</HEAD>
<BODY>
<h1>Using a JavaBean</h1>
<% beans.Test1 messager = new beans.Test1("message from"); %>
The message is: <%= messager.msg() %>
</BODY>
</HTML></source>



== Call Setter In Java Bean To Change its Property Value ==

<p>Jsp code</p>



<source lang="java">
<HTML>
<HEAD>
<TITLE>Using Beans and Page Scope</TITLE>
</HEAD>
<BODY>
<H1>Using Beans and Page Scope</H1>
<jsp:useBean id="bean1" class="beans.Counter" scope="page" />
<%
bean1.setCounter(bean1.getCounter() + 1);
%>
The counter value is: <jsp:getProperty name="bean1" property="counter" />
</BODY>
</HTML></source>



== Fields of the Calendar Class ==



<source lang="java">
<%@ page import="java.util.*" %>
<HTML>
<HEAD>
<TITLE>Fields of the Calendar Class</TITLE>
</HEAD>
<BODY>
<H1>Fields of the Calendar Class</H1>
<%
String dateString = new String();
GregorianCalendar calendar = new GregorianCalendar();
Date date1 = new Date();
calendar.setTime(date1);
dateString += "Calendar.YEAR is " + calendar.get(Calendar.YEAR) + "<BR>";
dateString += "Calendar.MONTH is " + calendar.get(Calendar.MONTH) + "<BR>";
dateString += "Calendar.WEEK_OF_YEAR is " + calendar.get(Calendar.WEEK_OF_YEAR) +
"<BR>";
dateString += "Calendar.WEEK_OF_MONTH is " + calendar.get(Calendar.WEEK_OF_MONTH)
+ "<BR>";
dateString += "Calendar.DATE is " + calendar.get(Calendar.DATE) + "<BR>";
dateString += "Calendar.DAY_OF_MONTH is " + calendar.get(Calendar.DAY_OF_MONTH) +
"<BR>";
dateString += "Calendar.DAY_OF_YEAR is " + calendar.get(Calendar.DAY_OF_YEAR) +
"<BR>";
dateString += "Calendar.DAY_OF_WEEK is " + calendar.get(Calendar.DAY_OF_WEEK) +
"<BR>";
dateString += "Calendar.DAY_OF_WEEK_IN_MONTH is "
+ calendar.get(Calendar.DAY_OF_WEEK_IN_MONTH) + "<BR>";
dateString += "Calendar.AM_PM is " + calendar.get(Calendar.AM_PM) + "<BR>";
dateString += "Calendar.HOUR is " + calendar.get(Calendar.HOUR) + "<BR>";
dateString += "Calendar.HOUR_OF_DAY is " + calendar.get(Calendar.HOUR_OF_DAY) +
"<BR>";
dateString += "Calendar.MINUTE is " + calendar.get(Calendar.MINUTE) + "<BR>";
dateString += "Calendar.SECOND is " + calendar.get(Calendar.SECOND) + "<BR>";
dateString += "Calendar.MILLISECOND is " + calendar.get(Calendar.MILLISECOND) +
"<BR>";
dateString += "Resetting the date!<BR>";
calendar.set(2005, 11, 31, 23, 59);
dateString += "Calendar.YEAR is " + calendar.get(Calendar.YEAR) + "<BR>";
dateString += "Calendar.MONTH is " + calendar.get(Calendar.MONTH) + "<BR>";
dateString += "Calendar.WEEK_OF_YEAR is " + calendar.get(Calendar.WEEK_OF_YEAR) +
"<BR>";
dateString += "Calendar.WEEK_OF_MONTH is " + calendar.get(Calendar.WEEK_OF_MONTH)
+ "<BR>";
dateString += "Calendar.DATE is " + calendar.get(Calendar.DATE) + "<BR>";
dateString += "Calendar.DAY_OF_MONTH is " + calendar.get(Calendar.DAY_OF_MONTH) +
"<BR>";
dateString += "Calendar.DAY_OF_YEAR is " + calendar.get(Calendar.DAY_OF_YEAR) +
"<BR>";
dateString += "Calendar.DAY_OF_WEEK is " + calendar.get(Calendar.DAY_OF_WEEK) +
"<BR>";
dateString += "Calendar.DAY_OF_WEEK_IN_MONTH is "
+ calendar.get(Calendar.DAY_OF_WEEK_IN_MONTH) + "<BR>";
dateString += "Calendar.AM_PM is " + calendar.get(Calendar.AM_PM) + "<BR>";
dateString += "Calendar.HOUR is " + calendar.get(Calendar.HOUR) + "<BR>";
dateString += "Calendar.HOUR_OF_DAY is " + calendar.get(Calendar.HOUR_OF_DAY) +
"<BR>";
dateString += "Calendar.MINUTE is " + calendar.get(Calendar.MINUTE) + "<BR>";
dateString += "Calendar.SECOND is " + calendar.get(Calendar.SECOND) + "<BR>";
dateString += "Calendar.MILLISECOND is " + calendar.get(Calendar.MILLISECOND) +
"<BR>";
out.println(dateString);
%>
</BODY>
</HTML></source>



== Get/Set Value Using JSP Set Property ==

<p>Jsp code</p>



<source lang="java">
<HTML>
<HEAD>
<TITLE>Getting a Property Value</TITLE>
</HEAD>
<BODY>
<H1>Getting a Property Value</H1>
<jsp:useBean id="bean1" class="beans.Test4" />
The message is: <jsp:getProperty name="bean1" property="message" />
<BR>
<jsp:setProperty name="bean1" property="message" value="Hello again!" />
Now the message is: <jsp:getProperty name="bean1" property="message" />
</body>
</html></source>



== Import JavaBeans In JSP Page ==

<p>Jsp page</p>



<source lang="java">
<%@ page import="beans.Test" %>
<HTML>
<HEAD>
<TITLE>Using a JavaBean</TITLE>
</HEAD>
<BODY>
<h1>Using a JavaBean</h1>
<% Test messager = new Test(); %>
The message is: <%= messager.msg() %>
</BODY>
</HTML></source>



== JSP Helper Bean HTMLFilter ==

<p>Jsp code</p>



<source lang="java">
<html>

<body bgcolor="white">
<h1> Request Information </h1>
<font size="4">
JSP Request Method: <% out.print(beans.HTMLFilter.filter(request.getMethod())); %>
<br>
Request URI: <%= request.getRequestURI() %>
<br>
Request Protocol: <%= request.getProtocol() %>
<br>
Servlet path: <%= request.getServletPath() %>
<br>
Path info: <% out.print(beans.HTMLFilter.filter(request.getPathInfo())); %>
<br>
Query string: <% out.print(beans.HTMLFilter.filter(request.getQueryString())); %>
<br>
Content length: <%= request.getContentLength() %>
<br>
Content type: <% out.print(beans.HTMLFilter.filter(request.getContentType())); %>
<br>
Server name: <%= request.getServerName() %>
<br>
Server port: <%= request.getServerPort() %>
<br>
Remote user: <%= request.getRemoteUser() %>
<br>
Remote address: <%= request.getRemoteAddr() %>
<br>
Remote host: <%= request.getRemoteHost() %>
<br>
Authorization scheme: <%= request.getAuthType() %>
<br>
Locale: <%= request.getLocale() %>
<hr>
The browser you are using is <% out.print(beans.HTMLFilter.filter(request.getHeader("User-Agent"))); %>
<hr>
</font>
</body>
</html></source>



== JSP Number Guess Bean ==

<p>Jsp code</p>



<source lang="java">

<%@ page import = "beans.*" %>
<jsp:useBean id="numguess" class="beans.MyBean" scope="session"/>
<jsp:setProperty name="numguess" property="*"/>
<html>
<head><title>Number Guess</title></head>
<body bgcolor="white">
<font size=4>
<% if (numguess.getSuccess()) { %>
Congratulations! You got it.
And after just <%= numguess.getNumGuesses() %> tries.<P>
<% numguess.reset(); %>
Care to

== Load JavaBeans In JSP Page ==

<p>Test.java</p>



<source lang="java">
package beans;
public class Test
{
public Test()
{
}
public String msg()
{
return "Hello from JSP!";
}
}</source>



== Reference Calendar Bean ==

<p>Jsp code</p>



<source lang="java">
<html>

<%@ page session="false"%>
<body bgcolor="white">
<jsp:useBean id="clock" scope="page" class="beans.MyBean" type="beans.MyBean" />
<font size=4>
<ul>
<li> Day of month: is <jsp:getProperty name="clock" property="dayOfMonth"/>
<li> Year: is <jsp:getProperty name="clock" property="year"/>
<li> Month: is <jsp:getProperty name="clock" property="month"/>
<li> Time: is <jsp:getProperty name="clock" property="time"/>
<li> Date: is <jsp:getProperty name="clock" property="date"/>
<li> Day: is <jsp:getProperty name="clock" property="day"/>
<li> Day Of Year: is <jsp:getProperty name="clock" property="dayOfYear"/>
<li> Week Of Year: is <jsp:getProperty name="clock" property="weekOfYear"/>
<li> era: is <jsp:getProperty name="clock" property="era"/>
<li> DST Offset: is <jsp:getProperty name="clock" property="DSTOffset"/>
<li> Zone Offset: is <jsp:getProperty name="clock" property="zoneOffset"/>
</ul>
</font>
</body>
</html></source>



== Reference Package Name in JSP Page ==

<p>Test.java</p>



<source lang="java">
package beans;
public class Test
{
public Test()
{
}
public String msg()
{
return "Hello from JSP!";
}
}</source>



== Using initialized field in jsp page ==

<p>Jsp page code</p>



<source lang="java">
<HTML>
<HEAD>
<TITLE>Using <jsp:useBean></TITLE>
</HEAD>
<BODY>
<H1>Using <jsp:useBean></H1>
<jsp:useBean id="bean1" class="beans.Test3" />
The message is: <%= bean1.getMessage() %>
</BODY>
</HTML></source>



== Using the Date Class ==



<source lang="java">
<HTML>
<HEAD>
<TITLE>Using the Date Class</TITLE>
</HEAD>
<BODY>
<H1>Using the Date Class</H1>
The date is: <%= new java.util.Date() %>.
</BODY>
</HTML></source>



== Using "useBean" To Reference A Java Bean ==

<p>Jsp page</p>



<source lang="java">
<HTML>
<HEAD>
<TITLE>Using <jsp:useBean></TITLE>
</HEAD>
<BODY>
<H1>Using <jsp:useBean></H1>
<jsp:useBean id="bean1" class="beans.Test2" />
The message is: <%= bean1.msg() %>
</BODY>
</HTML></source>

← Предыдущая	Версия 05:07, 1 июня 2010
(нет различий)

Java Tutorial/JSP/UseBean - История изменений

Admin: 1 версия

в 17:44, 31 мая 2010