Java Swing GridBagLayout - 在面板上放置两个元素时出现问题
首先我将向您展示它是怎样的：
应该是这样的（请参阅我的评论中下面的链接）：
标签必须向上，TabPane 必须在所有方向上用边距填充屏幕的其余部分。
这是使用 GridBagLayout 进行布局的代码：
// Layout --begin--
this.mainPanel.setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
// Layout:headLineLabel --begin--
gbc.gridx = 0;
gbc.gridy = 0;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.ipadx = 0;
gbc.ipady = 0;
gbc.insets = new Insets(0, 10, 0, 0);
gbc.anchor = GridBagConstraints.FIRST_LINE_START;
this.mainPanel.add(this.headLineLabel, gbc);
// Layout:headLineLabel --end--
// Layout:FestplattenreinigerGraphicalUserInterfaceTabbedPane --begin--
gbc.gridx = 0;
gbc.gridy = 1;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.fill = GridBagConstraints.BOTH;
gbc.ipadx = 0;
gbc.ipady = 0;
gbc.insets = new Insets(10, 10, 10, 10);
gbc.anchor = GridBagConstraints.CENTER;
this.mainPanel.add(new FestplattenreinigerGraphicalUserInterfaceTabbedPane(), gbc);
// Layout:FestplattenreinigerGraphicalUserInterfaceTabbedPane --end--
// Layout --end--
您需要了解的事情：
- FestplattenreinigerGraphicalUserInterfaceTabbedPane 扩展了 JTabbedPane。
- 我尝试指定所有约束（即使具有默认值）来练习。
- 如果我推荐这些锚点，布局仍然是原来的样子。
这件事有什么问题吗？
非常感谢！ （抱歉，由于我是新人，我无法直接发布图片 + 只有 1 个链接 -.-）
First i'll show you how it is:
This is how it should be (see link below in my comment):
Label has to be up and TabPane has to fill the rest of the screen with margins in all directions.
This is the code for laying it out with GridBagLayout:
// Layout --begin--
this.mainPanel.setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
// Layout:headLineLabel --begin--
gbc.gridx = 0;
gbc.gridy = 0;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.ipadx = 0;
gbc.ipady = 0;
gbc.insets = new Insets(0, 10, 0, 0);
gbc.anchor = GridBagConstraints.FIRST_LINE_START;
this.mainPanel.add(this.headLineLabel, gbc);
// Layout:headLineLabel --end--
// Layout:FestplattenreinigerGraphicalUserInterfaceTabbedPane --begin--
gbc.gridx = 0;
gbc.gridy = 1;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.fill = GridBagConstraints.BOTH;
gbc.ipadx = 0;
gbc.ipady = 0;
gbc.insets = new Insets(10, 10, 10, 10);
gbc.anchor = GridBagConstraints.CENTER;
this.mainPanel.add(new FestplattenreinigerGraphicalUserInterfaceTabbedPane(), gbc);
// Layout:FestplattenreinigerGraphicalUserInterfaceTabbedPane --end--
// Layout --end--
Things you need to know:
- FestplattenreinigerGraphicalUserInterfaceTabbedPane extends JTabbedPane.
- I tried to specify all constraints (even with their default-val) to practice.
- If I commend out the achors, layout remains how it is.
What's wrong in this thing?
THX very much! (sorry i couldnt post images directly + only 1 link due to i'm new -.-)
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评论（3）
你遗漏了必要的weightx和weighty，否则所有东西都会集中在中间。所以在添加 tabpane 之前添加：
You have left out weightx and weighty which are necessary or everything will just lump together in the middle. So before adding the tabpane add:
要执行类似的操作，精确到您的示例，我认为您可以使用 NetBeans 中的“自由设计”而不是 GridBagLayout，然后限制调整应用程序窗口大小的能力。
To do something like that,exact to your sample, I think you can use the 'Free Design' in NetBeans rather than GridBagLayout and then restrict the ability to resize the application window.
不要使用 GridBagLayout。尝试使用边框布局。标签位于北部，选项卡式窗格位于中心。
或者也许是一个垂直的 BoxLayout。
Don't use a GridBagLayout. Try a BorderLayout. The label in the NORTH and the tabbed pane in the CENTER.
Or maybe a vertical BoxLayout.