不同大小、颜色的Java GUI随机字符
代码已启动并正在运行。感谢所有程序员的帮助。他是个芭蕾舞演员
基本上,这段代码的主要内容是随机字符、随机大小和随机颜色
下面是代码:
随机颜色:
int a = (int)(Math.random() * 255 - 0);
int b = (int)(Math.random() * 255 - 0);
int c = (int)(Math.random() * 255 - 0);
int z = (int)(Math.random() * 300 - 0);
Label.setForeground(new java.awt.Color(a, b, c));
随机大小:
Random rand = new Random();
int random = (int)(Math.random() * 100000 - 50000);
Label.setFont(new Font("Courier New", Font.ITALIC, z));
随机文本:
char randomChar = (char)(int)((Math.random() * 93) + 33);
Label.setText(String.valueOf(randomChar));
真实OGs的完整代码:
package my.dimensional;
import java.awt.Color;
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.util.Random;
import static javafx.scene.paint.Color.color;
import static javafx.scene.text.Font.font;
import static javafx.scene.text.Font.font;
import javax.swing.JLabel;
public class DimensionalUI extends javax.swing.JFrame
{
public DimensionalUI()
{
initComponents();
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jFrame1 = new javax.swing.JFrame();
jLabel2 = new javax.swing.JLabel();
Run = new javax.swing.JButton();
Label = new javax.swing.JLabel();
javax.swing.GroupLayout jFrame1Layout = new javax.swing.GroupLayout(jFrame1.getContentPane());
jFrame1.getContentPane().setLayout(jFrame1Layout);
jFrame1Layout.setHorizontalGroup(
jFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 400, Short.MAX_VALUE)
);
jFrame1Layout.setVerticalGroup(
jFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 300, Short.MAX_VALUE)
);
jLabel2.setText("jLabel2");
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
Run.setText("Run");
Run.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
RunActionPerformed(evt);
}
});
Label.setText("BOOM");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(Label, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(Run, javax.swing.GroupLayout.DEFAULT_SIZE, 247, Short.MAX_VALUE))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap()
.addComponent(Label, javax.swing.GroupLayout.PREFERRED_SIZE, 247, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 118, Short.MAX_VALUE)
.addComponent(Run)
.addContainerGap())
);
pack();
}// </editor-fold>
private void RunActionPerformed(java.awt.event.ActionEvent evt) {
Random rand = new Random();
int random = (int)(Math.random() * 100000 - 50000);
int a = (int)(Math.random() * 255 - 0);
int b = (int)(Math.random() * 255 - 0);
int c = (int)(Math.random() * 255 - 0);
int z = (int)(Math.random() * 300 - 0);
Label.setForeground(new java.awt.Color(a, b, c));
Label.setFont(new Font("Courier New", Font.ITALIC, z));
/*String[] fontNames = GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
int index = (int)(Math.random() * (fontNames.length - 1));
String fontName = fontNames[index];
Font font = new Font(fontName, Font.PLAIN, z);
Label.setFont(new Font(fontName, Font.PLAIN, z));*/
char randomChar = (char)(int)((Math.random() * 93) + 33);
Label.setText(String.valueOf(randomChar));
}
public static void main(String args[])
{
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(DimensionalUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(DimensionalUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(DimensionalUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(DimensionalUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable()
{
public void run()
{
new DimensionalUI().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JLabel Label;
private javax.swing.JButton Run;
private javax.swing.JFrame jFrame1;
private javax.swing.JLabel jLabel2;
// End of variables declaration
private void getAvailableFontFamilyNames() {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
}
# 1 楼答案
颜色
Color
只是0
-255
范围内的3int
值性格
可以通过建立一个预定义的字符数组,在
0
和数组length
之间生成一个随机数,并在指定的位置提取元素来实现,就个人而言,这是一项非常繁琐的工作您可以将文本值中的值加载到
char
数组中,但是,同样,要生成原始文件需要大量的工作一个更简单的过程可能是计算
33
和126
之间的随机值,并将数字转换为char
,这将为该值提供ASCII字符字体
嗯,字体大小很简单。要获取可用字体名称的列表,您需要调用^{} ,它将返回一个
String
字体名称数组然后只需在
0
和数组length
之间生成一个随机值并提取所需的字体名称
然后创建一个新字体
# 2 楼答案
要从所有字符中随机选择,首先必须将字符放入字符串数组:
然后画他们:
此外,我建议您将randomGenerator设置为一个字段,而不是一个局部变量,因为每次执行代码时重新为随机数生成器设置种子是不必要的