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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"><html> <head> <title>Lesson: Laying Out Components Within a Container (The Java™ Tutorials > Creating a GUI with JFC/Swing)</title><style type="text/css"> .FigureCaption { margin-left: 1in; margin-right: 1in; font-family: sans-serif; font-size: smaller; text-align: justify; } #TopBar_bl { background: url(../../images/java_bar_bl.gif) 0 100% no-repeat; width: 100%; height: 60px; } #TopBar_br { background: url(../../images/java_bar_br.gif) 100% 100% no-repeat; width: 100%; height: 60px; } #TopBar_tl { background: url(../../images/java_bar_tl.gif) 0 0 no-repeat; width: 100%; height: 60px; } #TopBar_tr { background: url(../../images/java_bar_tr.gif) 100% 0 no-repeat; width: 100%; height: 60px; } #TopBar { background: #35556B url(../../images/java_bar.gif); margin: 10px 10px 0 10px; height:60px; min-width:700px; color: white; font-family: sans-serif; font-weight: bold; } @media print { #BreadCrumbs, #Download { display: none; } } 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id=TopBar_bl> <div id=TopBar_right> <a target="_blank" href="http://java.sun.com/javase/6/download.jsp">Download the JDK</a> <br> <a href="../../search.html" target="_blank">Search the Tutorials</a> <br> <a href="javascript:toggleLeft()" id="ToggleLeft">Hide the TOC</a> </div> </div> </div> </div> </div> </div> <div id=LeftBar> <div id=Contents> <div class="nolinkLESSON">Laying Out Components Within a Container</div><div class="linkAHEAD"><a href="visual.html">A Visual Guide to Layout Managers</a></div><div class="linkAHEAD"><a href="using.html">Using Layout Managers</a></div><div class="linkAHEAD"><a href="howLayoutWorks.html">How Layout Management Works</a></div><div class="linkAHEAD"><a href="layoutlist.html">How to Use Various Layout Managers</a></div><div class="linkAHEAD"><a href="border.html">How to Use BorderLayout</a></div><div class="linkAHEAD"><a href="box.html">How to Use BoxLayout</a></div><div class="linkAHEAD"><a href="card.html">How to Use CardLayout</a></div><div class="linkAHEAD"><a href="flow.html">How to Use FlowLayout</a></div><div class="linkAHEAD"><a href="gridbag.html">How to Use GridBagLayout</a></div><div class="linkAHEAD"><a href="grid.html">How to Use GridLayout</a></div><div class="linkAHEAD"><a href="group.html">How to Use GroupLayout</a></div><div class="linkBHEAD"><a href="groupExample.html">A GroupLayout Example</a></div><div class="linkAHEAD"><a href="spring.html">How to Use SpringLayout</a></div><div class="linkAHEAD"><a href="custom.html">Creating a Custom Layout Manager</a></div><div class="linkAHEAD"><a href="none.html">Doing Without a Layout Manager (Absolute Positioning)</a></div><div class="linkAHEAD"><a href="problems.html">Solving Common Layout Problems</a></div></div> </div> <div id=MainFlow class=MainFlow_indented> <div class=PrintHeaders> <b>Trail:</b> Creating a GUI with JFC/Swing </div> <div id=BreadCrumbs> <a href=../../index.html target=_top>Home Page</a> > <a href=../index.html target=_top>Creating a GUI with JFC/Swing</a> </div> <div class=NavBit> <a target=_top href=../misc/index.html>« Previous</a> • <a target=_top href=../TOC.html>Trail</a> • <a target=_top href=visual.html>Next »</a> </div> <p style="text-align: center"> <a href=examples/index.html>Examples Index</a> </p> <div id=PageTitle>Lesson: Laying Out Components Within a Container</div> <blockquote><blockquote> <hr> <strong>This section has not yet been updated to reflect features and conventions of the latest release, JDK 6.0. </strong> <hr> </blockquote>This lesson tells you how to use the layout managersthat the Java platform provides.It also tells you how to use absolute positioning (no layout manager)and gives an example of writing a custom layout manager.For each layout manager (or lack thereof),this lessonpoints to an examplethat you can run using Java<sup><font size=-2>TM</font></sup> Web Start.By resizing the example's window,you can see how size changes affect the layout.</blockquote><h3><a href=visual.html>A Visual Guide to Layout Managers</a></h3><blockquote>This section shows examples of the standard layout managersand points to each one's how-to section.</blockquote><h3><a href=using.html>Using Layout Managers</a></h3><blockquote>This section gives general rules on using the standard layout managers.It includes how to set the layout manager,add components to a container, provide size and alignment hints,put space between components,and set the orientation of the container's layoutso that it's appropriate for the localein which the program is running.It also has some tips for choosing the right layout manager.</blockquote><h3><a href="howLayoutWorks.html">How Layout Management Works</a></h3><blockquote>This section goes through a typical layout sequenceand then describes what happens when a component's size changes.</blockquote><h3><a href="layoutlist.html">How to...</a></h3><blockquote>This series of sections tells you how to useeach of the general-purpose layout managersthat the Java platform provides.</blockquote></blockquote><h3><a href=custom.html>Creating a Custom Layout Manager</a></h3><blockquote>Instead of using one of the Java platform's layout managers,you can write your own.Layout managers must implement the <code>LayoutManager</code> interface,which specifies the five methods every layout manager must define.Optionally, layout managers can implement <code>LayoutManager2</code>,which is a subinterface of <code>LayoutManager</code>.</blockquote><h3><a href=none.html>Doing Without a Layout Manager (Absolute Positioning)</a></h3><blockquote>If necessary, you can position components without using a layout manager.Generally, this solution is used to specify absolute sizes and positionsfor components.</blockquote><h3><a href=problems.html>Solving Common Layout Problems</a></h3><blockquote>Some of the most common layout problems are that components are displayed too small —or not at all.This sectiontells you how to fix these andother common layout problems.</blockquote><h3><a class="TutorialLink" target="_top" href="../QandE/questions-ch4.html">Questions and Exercises</a></h3> <blockquote>Try these questions and exercises to test what you've learned in this lesson.</blockquote> </blockquote> <div class=NavBit> <a href=../misc/index.html>« Previous</a> • <a href=../TOC.html>Trail</a> • <a href=visual.html>Next »</a> </div> </div> <div id=Footer><div id=TagNotes> Problems with the examples? Try <a target="_blank" href=../../information/run-examples.html>Compiling and Running the Examples: FAQs</a>. <br> Complaints? Compliments? Suggestions? <a target="_blank" href="http://developer.sun.com/contact/tutorial_feedback.jsp">Give us your feedback</a>.<br><br> <a target="_blank" href="../../information/copyright.html">Copyright</a> 1995-2006 Sun Microsystems, Inc. All rights reserved. <span id=Download></span></div> </div> <div class=PrintHeaders> <b>Previous page:</b> Previous Lesson <br><b>Next page:</b> A Visual Guide to Layout Managers </div> </body></html> ⌨️ 快捷键说明
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