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下拉框:JComboBox、addItem 1 package com.gui.lesson6; 2 3 import javax.swing.*; 4 import java.awt.*; 5 6 public class TestComboBoxDemo1 extends JFrame { 7 阅读全文
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图片按钮:ImageIcon、JButton 1 package com.gui.lesson5; 2 3 import javax.swing.*; 4 import java.awt.*; 5 import java.net.URL; 6 7 public class JButtonDemo1 阅读全文
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JPanel面板:重点,布局有间距 1 package com.gui.lesson4; 2 3 import javax.swing.*; 4 import java.awt.*; 5 6 public class JPanelDemo extends JFrame { 7 public JPan 阅读全文
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Icon标签: 1 package com.gui.lesson4; 2 3 import javax.swing.*; 4 import java.awt.*; 5 6 //图标,需要实现类,Frame继承 7 public class IconDemo extends JFrame implem 阅读全文
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JDialog,用来被弹出,默认就有关闭事件 1 package com.gui.lesson4; 2 3 import javax.swing.*; 4 import java.awt.*; 5 import java.awt.event.ActionEvent; 6 import java.aw 阅读全文
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Swing AWT只有画笔,但是Swing能画图,它还能做一些下拉框,选择框等等一系列更高级的东西 窗口、面板 1 package com.gui.lesson4; 2 3 import javax.swing.*; 4 import java.awt.*; 5 6 public class JFr 阅读全文
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键盘监听: 1 package com.gui.lesson3; 2 3 import java.awt.*; 4 import java.awt.event.KeyAdapter; 5 import java.awt.event.KeyEvent; 6 7 //键盘 8 public class 阅读全文
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窗口监听: 1 package com.gui.lesson3; 2 3 import java.awt.*; 4 import java.awt.event.WindowAdapter; 5 import java.awt.event.WindowEvent; 6 7 public class T 阅读全文
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需求:想要实现鼠标画画! 分析:画画需要画笔,需要监听鼠标当前的位置,需要集合来存储这个点 思路: 1 package com.gui.lesson3; 2 3 import java.awt.*; 4 import java.awt.event.MouseAdapter; 5 import jav 阅读全文
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1 package com.gui.lesson3; 2 3 import java.awt.*; 4 5 public class TestPaint { 6 public static void main(String[] args) { 7 new MyPaint().loadFrame(); 阅读全文