java使用颜色选择器示例分享

package com.liuxing.test;
import java.awt.color;
import java.awt.event.actionevent;
import java.awt.event.actionlistener;
import javax.swing.jbutton;
import javax.swing.jcolorchooser;
import javax.swing.jframe;
import javax.swing.jlabel;
import javax.swing.jpanel;
public class colorchooser extends jframe {
  private jlabel sampletext = new jlabel("label");
  private jbutton choosebutton = new jbutton("choose color");

  public static void main(string[] args) {
    new colorchooser();
  }

  public colorchooser() {
    this.setsize(300, 100);
    this.setdefaultcloseoperation(jframe.exit_on_close);
    jpanel panel1 = new jpanel();
    sampletext.setbackground(null);
    panel1.add(sampletext);

    choosebutton.addactionlistener(new buttonlistener());
    panel1.add(choosebutton);

    this.add(panel1);
    this.setvisible(true);
  }

  private class buttonlistener implements actionlistener {
    public void actionperformed(actionevent e) {
      color c = jcolorchooser.showdialog(null, "choose a color", sampletext.getforeground());
      if (c != null)
        sampletext.setforeground(c);
    }
  }
}