P38 Border边框

清疚 2024-04-06 09:51 50阅读 0赞

#### P38 Border边框 ####

*  1.概述
 *  2.边框的创建
 *   *  2.1 空边框
     *  2.2 线边框
     *  2.3 标题边框
     *  2.4 其他边框
 *  3.代码实例
 *  4.效果演示

> 系统：Win10  
> Java：1.8.0\_333  
> IDEA：2020.3.4  
> Gitee：[https://gitee.com/lijinjiang01/JavaSwing][https_gitee.com_lijinjiang01_JavaSwing]

## 1.概述 ##

**Border**：边框。边框是对组件边界的装饰，例如为组件增加矩形有色边框，为透明的容器增加带标题的边框，增加组件的内边距，为组件增加浮雕化/凹凸斜面/阴影外观等，让组件看起来更美观。  
组件边框的设置:

// 创建边框
    Border border = BorderFactory.createXxxxBorder(...);
    // 设置组件的边框
    component.setBorder(border);

创建组件边框，使用 BorderFactory 工厂类中的静态方法窗口，支持许多各种不同形式的边框。

## 2.边框的创建 ##

常用边框的创建（BorderFactory 中的静态方法）

### 2.1 空边框 ###

// 创建一个不占用空间的空边控（边界宽度均为0）
    static Border createEmptyBorder();
    
    // 创建一个占用空间但不绘制的空边框，指定四条边占用的宽度（内边距效果）
    static Border createEmptyBorder(int top, int left, int bottom, int right);

### 2.2 线边框 ###

/**
     * 参数说明:
     *     color: 线条颜色
     *     thickness: 线宽（默认为1px）
     *     rounded: 是否有圆角
     */
    static Border createLineBorder(Color color);
    
    static Border createLineBorder(Color color, int thickness);
    
    static Border createLineBorder(Color color, int thickness, boolean rounded);

### 2.3 标题边框 ###

/**
     * 参数说明:
     *     border: 在此边框基础上添加标题，可以传 null
     *     
     *     title: 需要添加的标题
     *     
     *     titleJustification: 标题对齐方式，该值为一下之一:
     *         TitledBorder.LEFT
     *         TitledBorder.CENTER
     *         TitledBorder.RIGHT
     *         TitledBorder.LEADING
     *         TitledBorder.TRAILING
     *         TitledBorder.DEFAULT_JUSTIFICATION (leading)
     *         
     *     titlePosition: 标题显示的位置（相对于边框的纵向位置），该值为一下之一:
     *         TitledBorder.ABOVE_TOP
     *         TitledBorder.TOP（位于顶线上）
     *         TitledBorder.BELOW_TOP
     *         TitledBorder.ABOVE_BOTTOM
     *         TitledBorder.BOTTOM（位于底线上）
     *         TitledBorder.BELOW_BOTTOM
     *         TitledBorder.DEFAULT_POSITION（顶部）
     *         
     *     titleFont: 标题的字体
     *     
     *     titleColor: 标题的颜色
     */
    static TitledBorder createTitledBorder(String title);
    
    static TitledBorder createTitledBorder(Border border);
    
    static TitledBorder createTitledBorder(Border border, String title);
    
    static TitledBorder createTitledBorder(Border border, String title, int titleJustification, int titlePosition);
    
    static TitledBorder createTitledBorder(Border border, String title, int titleJustification, int titlePosition, Font titleFont);
    
    static TitledBorder createTitledBorder(Border border, String title, int titleJustification, int titlePosition, Font titleFont, Color titleColor);

### 2.4 其他边框 ###

// 斜面边框
    static Border createBevelBorder(...);
    // 虚线边框
    static Border createDashedBorder(...);
    // “浮雕化”边框
    static Border createEtchedBorder(...);
    // 凹入斜面边缘的边框
    static Border createLoweredBevelBorder(...);
    // 具有凸出斜面边缘的边框
    static Border createRaisedBevelBorder(...);
    // 凸起软斜面
    static Border createRaisedSoftBevelBorder(...);
    // 合成边框
    static CompoundBorder createCompoundBorder(...);
    // 类似衬边的边框
    static MatteBorder createMatteBorder(...);
    // 共享斜面边框
    static Border createSharedBevel(...)
    // 软斜面边框
    static Border createSoftBevelBorder(...);
    // 画笔边框
    static Border createStrokeBorder(...);

## 3.代码实例 ##

import com.lijinjiang.beautyeye.BeautyEyeLNFHelper;
    import javax.swing.*;
    import javax.swing.border.Border;
    import javax.swing.border.TitledBorder;
    import java.awt.*;
    
    public class Demo01 {
        
        public static void main(String[] args) {
        
            try {
        
                BeautyEyeLNFHelper.frameBorderStyle = BeautyEyeLNFHelper.FrameBorderStyle.generalNoTranslucencyShadow;
                BeautyEyeLNFHelper.launchBeautyEyeLNF();
            } catch (Exception e) {
        
                e.printStackTrace();
            }
            JFrame frame = new JFrame("Demo01");
    
            JPanel contentPane = new JPanel();
            contentPane.setLayout(new GridLayout(2, 4, 25, 25));
    
            JPanel panel1 = new JPanel();
            panel1.setBorder(BorderFactory.createLineBorder(Color.RED, 3));
            panel1.add(new JLabel("线边框"));
            contentPane.add(panel1);
    
            JPanel panel2 = new JPanel();
            panel2.setBorder(BorderFactory.createEtchedBorder());
            panel2.add(new JLabel("刻蚀边框"));
            contentPane.add(panel2);
    
            JPanel panel3 = new JPanel();
            panel3.setBorder(BorderFactory.createRaisedBevelBorder());
            panel3.add(new JLabel("斜面边框（凸）"));
            contentPane.add(panel3);
    
            JPanel panel4 = new JPanel();
            panel4.setBorder(BorderFactory.createLoweredBevelBorder());
            panel4.add(new JLabel("斜面边框（凹）"));
            contentPane.add(panel4);
    
            JPanel panel5 = new JPanel();
            panel5.setBorder(BorderFactory.createTitledBorder("标题"));
            panel5.add(new JLabel("标题边框"));
            contentPane.add(panel5);
    
            JPanel panel6 = new JPanel();
            TitledBorder rightTitle = BorderFactory.createTitledBorder("标题");
            rightTitle.setTitleJustification(TitledBorder.RIGHT);
            panel6.setBorder(rightTitle);
            panel6.add(new JLabel("标题边框（右）"));
            contentPane.add(panel6);
    
            JPanel panel7 = new JPanel();
            panel7.setBorder(BorderFactory.createMatteBorder(2, 15, 2, 2, Color.ORANGE));
            panel7.add(new JLabel("花色边框"));
            contentPane.add(panel7);
    
            JPanel panel8 = new JPanel();
            Border border1 = BorderFactory.createLineBorder(Color.GREEN, 3);
            Border border2 = BorderFactory.createTitledBorder("标题");
            panel8.setBorder(BorderFactory.createCompoundBorder(border1, border2));
            panel8.add(new JLabel("组合边框"));
            contentPane.add(panel8);
    
            frame.setContentPane(contentPane);
            frame.setSize(760, 400);
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.setLocationRelativeTo(null);
            frame.setVisible(true);
        }
    }

## 4.效果演示 ##

![在这里插入图片描述][2f87143e84404a64a157747be7972f53.png]

[https_gitee.com_lijinjiang01_JavaSwing]: https://gitee.com/lijinjiang01/JavaSwing
[2f87143e84404a64a157747be7972f53.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/06/80c41cb2738348e2b3162adb69bf18b3.png