資源簡介
Java入門-調色板(實例21).zip
代碼片段和文件信息
import?java.awt.*;
import?java.awt.event.*;
import?javax.swing.*;
public?class?JColorChooserDemo?extends?Jframe?{
???private?Container?container;??//容器
???private?JPanel?colorPanel;?//用于反映顏色變化的面板
???public?JColorChooserDemo()?{??//構造函數
??????super(?“調色板演示“?);??//調用Jframe的構造函數
??????container?=?getContentPane();??//得到容器
??????colorPanel=new?JPanel();??//初始化面板
??????JButton?selectColorButton?=?new?JButton(?“選取顏色“?);??//初始化顏色選擇按鈕
??????selectColorButton.addActionListener(??//為顏色選擇按鈕增加事件處理
?????????new?ActionListener()?{
????????????public?void?actionPerformed(?ActionEvent?event?)
????????????{
???????????? JColorChooser?chooser=new?JColorChooser(); //實例化顏色選擇器
???????????????Color?color=chooser.showDialog(JColorChooserDemo.this“選取顏色“Color.lightGray?);??//得到選擇的顏色
???????????????if?(color==null)??//如果未選取
??????????????????color=Color.gray;??//則設置顏色為灰色
???????????????colorPanel.setBackground(color);??//改變面板的背景色
}
??????});
??????contai
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????150054??2004-07-21?19:05??27-1.bmp
?????文件??????519634??2004-07-21?19:05??27-2.bmp
?????文件?????????872??2004-03-23?19:08??JColorChooserDemo$1.class
?????文件?????????977??2004-03-23?19:08??JColorChooserDemo.class
?????文件????????1494??2004-05-09?18:39??JColorChooserDemo.java
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