Java 示例 - 以不同的字体显示文本

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  问题描述

  如何以不同的字体显示文本？
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  解决方案

  下面的示例演示了如何使用 Font 类的 setFont() 方法以不同的字体显示文本。

  
  import java.awt.*;
  import java.awt.event.*;
  import javax.swing.*;
  public class Main extends JPanel {
     String[] type = { "Serif","SansSerif"}; 
     int[] styles = { Font.PLAIN, Font.ITALIC, Font.BOLD, Font.ITALIC + Font.BOLD };
     String[] stylenames = { "Plain", "Italic", "Bold", "Bold & Italic" };
     
     public void paint(Graphics g) {
        for (int f = 0; f < type.length; f++) { 
           for (int s = 0; s < styles.length; s++) { 
              Font font = new Font(type[f], styles[s], 18);
              g.setFont(font); 
              String name = type[f] + " " + stylenames[s];
              g.drawString(name, 20, (f * 4 + s + 1) * 20); 
           }
        }
     }
     public static void main(String[] a) {
        JFrame f = new JFrame();
        f.addWindowListener(new WindowAdapter() {
           public void windowClosing(WindowEvent e) {
              System.exit(0);
           }
        });
        f.setContentPane(new Main());
        f.setSize(400,400);
        f.setVisible(true);
     }
  }
  

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  结果

  上面的代码示例将产生以下结果。

  
  Different font names are displayed in a frame.
  

  以下是另一个以不同字体显示文本的示例

  
  import java.awt.*;
  import javax.swing.*;
  public class Main extends JComponent {
     String[] dfonts;
     Font[] font;
     static final int IN = 15;
     public Main() {
        dfonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
         font = new Font[dfonts.length];
     }
     public void paintComponent(Graphics g) {
        for (int j = 0; j < dfonts.length; j += 1) {
           if (font[j] == null) {
              font[j] = new Font(dfonts[j], Font.PLAIN, 16);
           } 
           g.setFont(font[j]);
           int p = 15;
           int q = 15+ (IN * j);
           g.drawString(dfonts[j],p,q);
        } 
     }
     public static void main(String[] args) {
        JFrame frame = new JFrame("Different Fonts");
        frame.getContentPane().add(new JScrollPane(new Main()));
        frame.setSize(350, 650);
        frame.setVisible(true);
     }
  }