blocks|key|2186977|text|关键字是分层的--拥有JPanel+on+JPanel。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2186978|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

The keyword is layering - having JPanel on JPanel.

blocks|key|364583|text|使用嵌套布局:对于具有JPanel的BorderLayout，|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|364584|将按钮具有JPanel的FlowLayout添加到NORTH中|unordered-list-item|364585|和一个JScrollPane的JTextArea到CENTER。|364586|entityMap|0|LINK|mutability|MUTABLE|url|http://download.oracle.com/javase/7/docs/api/javax/swing/JPanel.html|1|http://download.oracle.com/javase/7/docs/api/java/awt/BorderLayout.html^0|B|6|I|C|B|6|0|I|C|1|0|5|6|C|A|P|5|0|3|B|F|9|P|6|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@$9|Z|A|10|1|11]|$9|12|A|13|1|14]]|E|$]]|$1|F|3|G|5|H|7|15|8|@$9|16|A|17|B|C]|$9|18|A|19|B|C]|$9|1A|A|1B|B|C]]|D|@]|E|$]]|$1|I|3|J|5|H|7|1C|8|@$9|1D|A|1E|B|C]|$9|1F|A|1G|B|C]|$9|1H|A|1I|B|C]]|D|@]|E|$]]|$1|K|3|-4|5|6|7|1J|8|@]|D|@]|E|$]]]|L|$M|$5|N|O|P|E|$Q|R]]|S|$5|N|O|P|E|$Q|T]]]]

Use a nested layout: To a <a href="http://download.oracle.com/javase/7/docs/api/javax/swing/JPanel.html" rel="nofollow"><code>JPanel</code></a> having <a href="http://download.oracle.com/javase/7/docs/api/java/awt/BorderLayout.html" rel="nofollow"><code>BorderLayout</code></a>,

<ul>
<li>add a <code>JPanel</code> having <code>FlowLayout</code> for the buttons to the <code>NORTH</code></li>
<li>and a <code>JScrollPane</code> for the <code>JTextArea</code> to the <code>CENTER</code>.</li>
</ul>

blocks|key|2186953|text|使用GridBagLayout|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2186954|有关更多帮助，请参见此：如何使用GridBagLayout|2186955|现在请注意，拥有滚动条的JTextarea与布局无关。|style|CODE|2186956|有关该上下文中的更多帮助，请参见此：如何使用滚动窗格|2186957|entityMap|0|LINK|mutability|MUTABLE|url|http://download.oracle.com/javase/7/docs/api/java/awt/GridBagLayout.html|1|http://docs.oracle.com/javase/tutorial/uiswing/layout/gridbag.html|2|http://docs.oracle.com/javase/tutorial/uiswing/components/scrollpane.html^0|2|D|0|0|C|H|1|0|C|9|0|I|8|2|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@$A|Y|B|Z|1|10]]|C|$]]|$1|D|3|E|5|6|7|11|8|@]|9|@$A|12|B|13|1|14]]|C|$]]|$1|F|3|G|5|6|7|15|8|@$A|16|B|17|H|I]]|9|@]|C|$]]|$1|J|3|K|5|6|7|18|8|@]|9|@$A|19|B|1A|1|1B]]|C|$]]|$1|L|3|-4|5|6|7|1C|8|@]|9|@]|C|$]]]|M|$N|$5|O|P|Q|C|$R|S]]|T|$5|O|P|Q|C|$R|U]]|V|$5|O|P|Q|C|$R|W]]]]

Use a <a href="http://download.oracle.com/javase/7/docs/api/java/awt/GridBagLayout.html" rel="nofollow">GridBagLayout</a>

See this for more help : <a href="http://docs.oracle.com/javase/tutorial/uiswing/layout/gridbag.html" rel="nofollow">How to Use GridBagLayout</a>

Now note that the <code>JTextarea</code> to have a scrollbar have nothing to do with layouts.

See this for more help in that context : <a href="http://docs.oracle.com/javase/tutorial/uiswing/components/scrollpane.html" rel="nofollow">How to Use Scroll Panes</a>

blocks|key|169156|text|用于FlowLayout实例的JPanel中的JButton是一种方法。您也可以使用JToolBar作为按钮。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|169157|​|169158|📷|atomic|169159|169160|169161|import+java.awt.*;
import+javax.swing.*;

class+ButtonsAndTextAreaLayout+{

++++ButtonsAndTextAreaLayout()+{
++++++++JPanel+gui+=+new+JPanel(new+BorderLayout(5,5));

++++++++//+use+a+toolbar+for+the+buttons
++++++++JToolBar+tools+=+new+JToolBar();
++++++++//+use+firstWordLowerCase+for+attribute/method+names.
++++++++JButton+one+=+new+JButton("One");
++++++++JButton+two+=+new+JButton("Two");

++++++++tools.add(one);
++++++++tools.add(two);

++++++++//+provide+hints+as+to+how+large+the+text+area+should+be
++++++++JTextArea+testOutput+=+new+JTextArea(5,20);

++++++++gui.add(tools,+BorderLayout.NORTH);
++++++++gui.add(new+JScrollPane(testOutput),+BorderLayout.CENTER);

++++++++JOptionPane.showMessageDialog(null,+gui);
++++}

++++public+static+void+main(String[]+args)+{
++++++++SwingUtilities.invokeLater(new+Runnable()+{
++++++++++++public+void+run()+{
++++++++++++++++new+ButtonsAndTextAreaLayout();
++++++++++++}
++++++++});
++++}
}|code-block|syntax|javascript|169162|entityMap|0|LINK|mutability|MUTABLE|url|http://download.oracle.com/javase/7/docs/api/javax/swing/JToolBar.html|1|IMAGE|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/f6ffeae5f85b6d56994ba01498f64921.png|imageAlt|2|https://developer.qcloudimg.com/http-save/yehe-900000/d24e9a10c1d3c9a727d27490722217fc.png^0|2|A|F|6|N|7|16|8|16|8|0|0|0|0|1|1|0|0|1|2|0|0|0^^$0|@$1|2|3|4|5|6|7|17|8|@$9|18|A|19|B|C]|$9|1A|A|1B|B|C]|$9|1C|A|1D|B|C]|$9|1E|A|1F|B|C]]|D|@$9|1G|A|1H|1|1I]]|E|$]]|$1|F|3|G|5|6|7|1J|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|1K|8|@]|D|@$9|1L|A|1M|1|1N]]|E|$]]|$1|K|3|I|5|J|7|1O|8|@]|D|@$9|1P|A|1Q|1|1R]]|E|$]]|$1|L|3|G|5|6|7|1S|8|@]|D|@]|E|$]]|$1|M|3|N|5|O|7|1T|8|@]|D|@]|E|$P|Q]]|$1|R|3|-4|5|6|7|1U|8|@]|D|@]|E|$]]]|S|$T|$5|U|V|W|E|$X|Y]]|Z|$5|10|V|11|E|$12|13|14|-4]]|15|$5|10|V|11|E|$12|16|14|-4]]]]

The <code>FlowLayout</code> in a <code>JPanel</code> for the <code>JButton</code> instances is one way to go. You might also use a <a href="http://download.oracle.com/javase/7/docs/api/javax/swing/JToolBar.html" rel="nofollow noreferrer"><code>JToolBar</code></a> for the buttons.

<img src="https://i.stack.imgur.com/UFluw.png" alt="Buttons and TextArea Layout"> <img src="https://i.stack.imgur.com/UowzY.png" alt="Buttons and TextArea Layout w. toolbar on RHS">

<pre><code>import java.awt.*;
import javax.swing.*;

class ButtonsAndTextAreaLayout {

 ButtonsAndTextAreaLayout() {
 JPanel gui = new JPanel(new BorderLayout(5,5));

 // use a toolbar for the buttons
 JToolBar tools = new JToolBar();
 // use firstWordLowerCase for attribute/method names.
 JButton one = new JButton("One");
 JButton two = new JButton("Two");

 tools.add(one);
 tools.add(two);

 // provide hints as to how large the text area should be
 JTextArea testOutput = new JTextArea(5,20);

 gui.add(tools, BorderLayout.NORTH);
 gui.add(new JScrollPane(testOutput), BorderLayout.CENTER);

 JOptionPane.showMessageDialog(null, gui);
 }

 public static void main(String[] args) {
 SwingUtilities.invokeLater(new Runnable() {
 public void run() {
 new ButtonsAndTextAreaLayout();
 }
 });
 }
}
</code></pre>

blocks|key|168911|text|您可以按照建议使用GridBagLayout，也可以嵌套多个布局管理器，如：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|168912|JFrame+frame+=+new+JFrame();
frame.setLayout(new+BorderLayout());

JPanel+buttonPanel+=+new+JPanel();
JButton+oneButton+=+new+JButton("One");
JButton+twoButton+=+new+JButton("Two");
buttonPanel.add(oneButton);
buttonPanel.add(twoButton);

JTextArea+output+=+new+JTextArea();
JScrollPane+scrollPane+=+new+JScrollPane(output);

frame.add(buttonPanel,+BorderLayout.NORTH);
frame.add(scrollPane);
frame.pack();
frame.setVisible(true);|code-block|syntax|javascript|168913|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

You can either use a GridBagLayout as suggested, or nest multiple layout managers such as: 

<pre><code>JFrame frame = new JFrame();
frame.setLayout(new BorderLayout());

JPanel buttonPanel = new JPanel();
JButton oneButton = new JButton("One");
JButton twoButton = new JButton("Two");
buttonPanel.add(oneButton);
buttonPanel.add(twoButton);

JTextArea output = new JTextArea();
JScrollPane scrollPane = new JScrollPane(output);

frame.add(buttonPanel, BorderLayout.NORTH);
frame.add(scrollPane);
frame.pack();
frame.setVisible(true);
</code></pre>

I would like the following lay out... 

<ul>
<li>JButtons on top along side eachother. </li>
<li>The JTextArea should be under the buttons.</li>
<li>The JTextArea should also have a scrollbar. 
...for the code below.

<pre><code>JPanel jp = new JPanel(); 
One = new JButton("One"); 
Two = new JButton("Two"); 
TestOutput = new JTextArea();

jp.add(One);
jp.add(Two);
jp.add(TestOutput);
</code></pre></li>
</ul>

Java Swing Layout

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我想要下面的布局..。JButtons在顶部沿侧面相接。JTextArea应该在按钮下面。JTextArea还应该有一个滚动条。...for下面的代码。JPanel jp =新JPanel()；1=新JButton(“1”)；2=新JButton(“2”)；TestOutput =新JTextArea()；jp.add(1)；jp.add(2)；jp.add(TestOutput)；

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