parent
9f4fafd8d5
commit
f753209574
@ -0,0 +1,8 @@
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# Default ignored files
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/shelf/
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/workspace.xml
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# Editor-based HTTP Client requests
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/httpRequests/
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# Datasource local storage ignored files
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/dataSources/
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/dataSources.local.xml
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@ -0,0 +1,11 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
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<output url="file://$PROJECT_DIR$/out" />
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</component>
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</project>
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@ -0,0 +1,8 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectModuleManager">
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<modules>
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<module fileurl="file://$PROJECT_DIR$/.idea/computer.iml" filepath="$PROJECT_DIR$/.idea/computer.iml" />
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</modules>
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</component>
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</project>
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="" vcs="Git" />
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</component>
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</project>
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@ -0,0 +1,87 @@
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import javax.script.ScriptEngine;
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import javax.script.ScriptEngineManager;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.ActionEvent;
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public class Calculator extends JFrame {
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private JTextField inputField; // 输入显示区域
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public Calculator() {
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createUI();
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}
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private void createUI() {
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// 设置窗口布局
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setLayout(new BorderLayout());
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// 创建输入显示区域
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inputField = new JTextField("0");
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inputField.setEditable(false);
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inputField.setHorizontalAlignment(JTextField.RIGHT);
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add(inputField, BorderLayout.NORTH);
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// 创建面板用于放置按钮
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JPanel panel = new JPanel();
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panel.setLayout(new GridLayout(5, 4, 5, 5)); // 设置间距
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// 创建数字和运算符按钮
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String[] buttons = {"7", "8", "9", "/", "4", "5", "6", "*", "1", "2", "3", "-", "0", ".", "=", "+", "C", "Backspace"};
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for (String b : buttons) {
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JButton button = new JButton(b);
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panel.add(button);
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button.addActionListener(e -> press(e.getActionCommand()));
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}
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// 添加面板到窗口
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add(panel, BorderLayout.CENTER);
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// 设置窗口属性
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setSize(300, 400); // 设置窗口大小
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setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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setTitle("Simple Calculator");
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setVisible(true);
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}
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private void press(String command) {
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if ("C".equals(command)) {
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clear();
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} else if ("Backspace".equals(command)) {
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backspace();
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} else if ("=".equals(command)) {
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calculate();
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} else {
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if (inputField.getText().equals("0") && !command.equals(".")) {
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inputField.setText(command);
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} else {
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inputField.setText(inputField.getText() + command);
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}
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}
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}
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private void clear() {
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inputField.setText("0");
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}
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private void backspace() {
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String currentText = inputField.getText();
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if (!currentText.isEmpty()) {
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inputField.setText(currentText.substring(0, currentText.length() - 1));
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}
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}
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private void calculate() {
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String expression = inputField.getText();
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try {
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ScriptEngine engine = new ScriptEngineManager().getEngineByName("JavaScript");
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Object result = engine.eval(expression);
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inputField.setText(result.toString());
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} catch (Exception e) {
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JOptionPane.showMessageDialog(this, "Invalid input", "Error", JOptionPane.ERROR_MESSAGE);
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}
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}
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public static void main(String[] args) {
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SwingUtilities.invokeLater(Calculator::new);
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}
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}
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@ -0,0 +1,8 @@
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# Default ignored files
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/shelf/
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/workspace.xml
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# Editor-based HTTP Client requests
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/httpRequests/
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# Datasource local storage ignored files
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/dataSources/
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/dataSources.local.xml
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@ -0,0 +1,11 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
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<output url="file://$PROJECT_DIR$/out" />
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</component>
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</project>
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@ -0,0 +1,8 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectModuleManager">
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<modules>
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<module fileurl="file://$PROJECT_DIR$/.idea/computer.iml" filepath="$PROJECT_DIR$/.idea/computer.iml" />
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</modules>
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</component>
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</project>
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="" vcs="Git" />
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</component>
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</project>
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Binary file not shown.
@ -0,0 +1,2 @@
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# computer
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Loading…
Reference in new issue