JLabel和JButton Center in BoxLayout

我是Java編程的新手，無法處理我的Swing問題。我無法將JButton和JLabels集中到JPanel中（BoxLayout）。JLabel和JButton Center in BoxLayout

這裏有一些照片：

代碼：

 PlayerLabel.setHorizontalTextPosition(JLabel.CENTER); 
     PlayerLabel.setVerticalTextPosition(JLabel.BOTTOM); 
     PlayerLabel.setText("Player Level: " + CarMain.main[5]); 

    AccessoriesLVL1Label.setHorizontalTextPosition(JLabel.CENTER); 
    AccessoriesLVL1Label.setVerticalTextPosition(JLabel.BOTTOM); 
    AccessoriesLVL1Label.setText("<html>Accessories LVL 1<br>" + "Count: " + Part.parts[1]); 

JButton jbtnSellAccessoriesLv1 = new JButton("Sell"); 
jbtnSellAccessoriesLv1.addActionListener(this);

而這正是我做的JLabel：

//升級面板

GridLayout UpgradesLayout = new GridLayout(3,3); 
     JPanel UpgradesPanel = new JPanel(); 
     UpgradesPanel.setLayout(UpgradesLayout); 

     JPanel UpgradesPanelSub = new JPanel(); 
     UpgradesPanelSub.setLayout(new BoxLayout(UpgradesPanelSub, BoxLayout.PAGE_AXIS)); 
     UpgradesPanelSub.setBorder(BorderFactory.createCompoundBorder(raisedbevel, loweredbevel)); 

     JPanel UpgradesPanelSub2 = new JPanel(); 
     UpgradesPanelSub2.setLayout(new BoxLayout(UpgradesPanelSub2, BoxLayout.PAGE_AXIS)); 
     UpgradesPanelSub2.setBorder(BorderFactory.createCompoundBorder(raisedbevel, loweredbevel)); 

     JPanel UpgradesPanelSub3 = new JPanel(); 
     UpgradesPanelSub3.setLayout(new BoxLayout(UpgradesPanelSub3, BoxLayout.PAGE_AXIS)); 
     UpgradesPanelSub3.setBorder(BorderFactory.createCompoundBorder(raisedbevel, loweredbevel)); 

     UpgradesPanelSub.add(Labels.PlayerLabel); 
     UpgradesPanelSub.add(jbtnUpgradeLevel); 
     UpgradesPanelSub2.add(Labels.GarageLabel); 
     UpgradesPanelSub2.add(jbtnUpgradeGarageLevel); 
     UpgradesPanelSub3.add(Labels.BoxesLVLLabel); 
     UpgradesPanelSub3.add(jbtnUpgradeBoxesLevel); 

     UpgradesPanel.add(new JLabel("")); 
     UpgradesPanel.add(new JLabel("")); 
     UpgradesPanel.add(new JLabel("")); 
     UpgradesPanel.add(UpgradesPanelSub); 
     UpgradesPanel.add(UpgradesPanelSub2); 
     UpgradesPanel.add(UpgradesPanelSub3); 
     UpgradesPanel.add(new JLabel("")); 
     UpgradesPanel.add(new JLabel("")); 
     UpgradesPanel.add(new JLabel(""));

來源

2016-03-16 Crelix

爲了減少混淆，我建議你看看Java編碼約定，尤其是它建議變量和字段名稱應該以小寫字母開頭的部分（例如'upgradesPanel'）。 – Thomas

@Thomas是啊，對不起，我已經收到了它，但在這一刻，我不想重寫所有~10'000行，並檢查，哪裏的小信，大，我會在稍後做。但謝謝你的建議。 – Crelix

@托馬斯，謝謝我找到它。作出回答，我會檢查它是否正確。 – Crelix

至於佈局問題：有一個關於如何使用框佈局的教程（查找組件的對齊方式來居中它們）：docs.oracle.com/javase/tutorial/uiswing/layout/box.html。

另外，你可以使用一個像MigLayout這樣更容易使用IMO的外部佈局管理器。

來源

2016-03-16 14:01:03 Thomas

JLabel和JButton Center in BoxLayout

回答

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