计算器窗体。txt

计算器窗体.txt

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+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+
+public class Calculater extends JFrame implements ActionListener {
+	private JPanel jPanel;
+	private JPanel jPanel1;
+	private Button button[] = new Button[24];
+	private TextField TF;
+	private String st = "";
+	private JScrollPane jscrollPane;
+	private JLabel label;
+	
+	public void Define() {
+		JFrame jFrame = new JFrame("计算器");
+		Container pane = jFrame.getContentPane();
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		jPanel = new JPanel(new GridLayout(6,4,5,5));
+		jPanel1 = new JPanel(new GridLayout(2,1,5,5));
+		TF = new TextField(st);
+		button[0] = new Button("sin");
+		button[0].addActionListener(this);
+		button[1] = new Button("cos");
+		button[1].addActionListener(this);
+		button[2] = new Button("tan");
+		button[2].addActionListener(this);
+		button[3] = new Button("e^x");
+		button[3].addActionListener(this);
+		button[4] = new Button("c");
+		button[4].addActionListener(this);
+		button[5] = new Button("÷");
+		button[5].addActionListener(this);
+		button[6] = new Button("×");
+		button[6].addActionListener(this);
+		button[7] = new Button("<-");
+		button[7].addActionListener(this);
+		button[8] = new Button("7");
+		button[8].addActionListener(this);
+		button[9] = new Button("8");
+		button[9].addActionListener(this);
+		button[10] = new Button("9");
+		button[10].addActionListener(this);
+		button[11] = new Button("-");
+		button[11].addActionListener(this);
+		button[12] = new Button("4");
+		button[12].addActionListener(this);
+		button[13] = new Button("5");
+		button[13].addActionListener(this);
+		button[14] = new Button("6");
+		button[14].addActionListener(this);
+		button[15] = new Button("+");
+		button[15].addActionListener(this);
+		button[16] = new Button("1");
+		button[16].addActionListener(this);
+		button[17] = new Button("2");
+		button[17].addActionListener(this);
+		button[18] = new Button("3");
+		button[18].addActionListener(this);
+		button[19] = new Button("log");
+		button[19].addActionListener(this);
+		button[20] = new Button("%");
+		button[20].addActionListener(this);
+		button[21] = new Button("0");
+		button[21].addActionListener(this);
+		button[22] = new Button(".");
+		button[22].addActionListener(this);
+		button[23] = new Button("=");
+		button[23].addActionListener(this);
+		jPanel.add(button[0]);
+		jPanel.add(button[1]);
+		jPanel.add(button[2]);
+		jPanel.add(button[3]);
+		jPanel.add(button[4]);
+		jPanel.add(button[5]);
+		jPanel.add(button[6]);
+		jPanel.add(button[7]);
+		jPanel.add(button[8]);
+		jPanel.add(button[9]);
+		jPanel.add(button[10]);
+		jPanel.add(button[11]);
+		jPanel.add(button[12]);
+		jPanel.add(button[13]);
+		jPanel.add(button[14]);
+		jPanel.add(button[15]);
+		jPanel.add(button[16]);
+		jPanel.add(button[17]);
+		jPanel.add(button[18]);
+		jPanel.add(button[19]);
+		jPanel.add(button[20]);
+		jPanel.add(button[21]);
+		jPanel.add(button[22]);
+		jPanel.add(button[23]);
+		jPanel1.add(TF);
+		jPanel1.add(jPanel);
+		jscrollPane = new JScrollPane(label,ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
+		pane.add(jPanel1,BorderLayout.WEST);
+		pane.add(jscrollPane,BorderLayout.EAST);
+		jFrame.pack();
+		jFrame.setVisible(true);
+	}
+	
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		// TODO Auto-generated method stub
+		if(e.getActionCommand() == "0") {
+			st = st + "0";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "1") {
+			st = st + "1";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "2") {
+			st = st + "2";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "3") {
+			st = st + "3";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "4") {
+			st = st + "4";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "5") {
+			st = st + "5";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "6") {
+			st = st + "6";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "7") {
+			st = st + "7";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "8") {
+			st = st + "8";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "9") {
+			st = st + "9";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == ".") {
+			st = st + ".";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "+") {
+			st = st + "+";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "-") {
+			st = st + "-";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "×") {
+			st = st + "×";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "÷") {
+			st = st + "÷";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "sin") {
+			st = st + "sin";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "cos") {
+			st = st + "cos";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "tan") {
+			st = st + "tan";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "%") {
+			st = st + "%";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "e^x") {
+			st = st + "e^";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "log") {
+			st = st + "log";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "c") {
+			st = "";
+			this.TF.setText(st);
+		}
+		if(e.getActionCommand() == "=") {
+			st = "你的算法";
+			this.TF.setText(st);
+		}
+	}
+	
+	public static void main(String arg[]) {
+		Calculater A = new Calculater();
+		A.Define();
+	}
+}