华理java曲线系统大作业源码

package yj; import javax.swing.*; import java.awt.*; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; public class Window { public JFrame frame; Draw sin = new Draw(1); Draw cos = new Draw(2); Draw tan = new Draw(3); Draw x = new Draw(4); JPanel panel = new JPanel(); JPanel panel_1 = new JPanel(); JPanel panel_2 = new JPanel(); Panel panel_sin = new Panel(); Panel panel_cos = new Panel(); Panel panel_tan = new Panel(); Panel panel_x = new Panel(); JCheckBox rdbtnSinX = new JCheckBox("Sin x"); JCheckBox rdbtnCosX = new JCheckBox("Cos x"); JCheckBox rdbtnTanX = new JCheckBox("Tan x"); JCheckBox rdbtnX = new JCheckBox("x"); // Panel infoTable = new Panel(); Thread DrawCos1 = new Thread(cos); Thread DrawSin2 = new Thread(sin); Thread DrawTan3 = new Thread(tan); Thread DrawX4 = new Thread(x); private static int p_width; private static int p_height; public static int getP_width() { return p_width; } public static int getP_height() { return p_height; } public Window() { initialize(); DrawCos1.start(); DrawTan3.start(); DrawSin2.start(); DrawX4.start(); } private void initialize() { frame = new JFrame("动态曲线绘制程序"); frame.setBackground(Color.WHITE); panel.setBackground(Color.WHITE); panel_sin.setBackground(Color.WHITE); panel_cos.setBackground(Color.WHITE); panel_tan.setBackground(Color.WHITE); panel_x.setBackground(Color.WHITE); frame.getContentPane().add(panel, BorderLayout.NORTH); panel.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5)); panel_1.setBackground(Color.WHITE); frame.getContentPane().add(panel_1, BorderLayout.WEST); panel_1.setLayout(new GridLayout(0, 1, 0, 0)); rdbtnSinX.setBackground(new Color(255, 255, 255)); rdbtnSinX.setName("sin"); rdbtnSinX.addItemListener(new onCheck(rdbtnSinX)); panel_1.add(rdbtnSinX); rdbtnCosX.setBackground(new Color(255, 255, 255)); rdbtnCosX.setName("cos"); rdbtnCosX.addItemListener(new onCheck(rdbtnCosX)); panel_1.add(rdbtnCosX); rdbtnTanX.setBackground(new Color(255, 255, 255)); rdbtnTanX.setName("tan"); rdbtnTanX.addItemListener(new onCheck(rdbtnTanX)); panel_1.add(rdbtnTanX); rdbtnX.setBackground(new Color(255, 255, 255)); rdbtnX.setName("x"); rdbtnX.addItemListener(new onCheck(rdbtnX)); panel_1.add(rdbtnX); // 分区 frame.getContentPane().add(panel_2, BorderLayout.CENTER); panel_2.setLayout(new GridLayout(0, 1, 0, 0)); panel_sin.setLayout(new CardLayout(0, 0)); panel_cos.setLayout(new CardLayout(0, 0)); panel_tan.setLayout(new CardLayout(0, 0)); panel_x.setLayout(new CardLayout(0, 0)); panel_2.add(panel_sin); panel_2.add(panel_cos); panel_2.add(panel_tan); panel_2.add(panel_x); } class Panel extends JPanel { public Panel() { super(); } @Override public void paint(Graphics g) { super.paint(g); this.setBackground(Color.WHITE); p_width = this.getWidth(); p_height = this.getHeight(); g.setColor(new Color(123, 213, 50)); int x = p_width; int y = p_height; // 把区域分割开来 g.drawLine(0, 0, x, 0); g.drawLine(0, 0, 0, y); g.drawLine(0, y, x - 1, y); g.drawLine(x - 1, 0, x - 1, y); } } class onCheck implements ItemListener { JCheckBox mBox; public onCheck(JCheckBox mBox) { this.mBox = mBox; } @Override public void itemStateChanged(ItemEvent arg0) { switch (mBox.getName()) { case "sin": { sinChecked(); break; } case "cos": { cosChecked(); break; } case "tan": { tanChecked(); break; } case "x": { xChecked(); break; } } } private void sinChecked() { if (rdbtnSinX.isSelected()) { DrawSin2.resume(); panel_sin.add(sin); panel_sin.updateUI(); } else { if (DrawSin2.isAlive()) DrawSin2.suspend(); panel_sin.remove(sin); panel_sin.updateUI(); } } private void cosChecked() { if (rdbtnCosX.isSelected()) { DrawCos1.resume(); panel_cos.add(cos); panel_cos.updateUI(); } else { if (DrawCos1.isAlive()) DrawCos1.suspend(); panel_cos.remove(cos); panel_cos.updateUI(); } } private void tanChecked() { if (rdbtnTanX.isSelected()) { DrawTan3.resume(); panel_tan.add(tan); panel_tan.updateUI(); } else { if (DrawTan3.isAlive()) DrawTan3.suspend(); panel_tan.remove(tan); panel_tan.updateUI(); } } private void xChecked() { if (rdbtnX.isSelected()) { DrawX4.resume(); panel_x.add(x); panel_x.updateUI(); } else { if (DrawX4.isAlive()) DrawX4.suspend(); panel_x.remove(x); panel_x.updateUI(); } } } }