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compute
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Merge pull request '第二次修改' (#2) from master into main

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fdzcxy212206297 10 months ago committed by zhangenqi
parent ddd192c71c 756a86ca0d
commit 049884aae9
10 changed files with 229 additions and 43 deletions
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29
.gitignore vendored
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### IntelliJ IDEA ###
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

8
.idea/.gitignore vendored
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# 默认忽略的文件
/shelf/
/workspace.xml
# 基于编辑器的 HTTP 客户端请求
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

11
.idea/compute.iml
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<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

6
.idea/dictionaries
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectDictionaryState">
<dictionary name="Administrator" />
</component>
</project>

6
.idea/misc.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>

8
.idea/modules.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/compute.iml" filepath="$PROJECT_DIR$/.idea/compute.iml" />
</modules>
</component>
</project>

6
.idea/vcs.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="" vcs="Git" />
</component>
</project>

11
double_team.iml
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<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

23
src/Main.java
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/**
* ClassName:${NAME}
* Package:
* Description:
* Author Pjj
*
* @Create 2024/10/10 16:14
* @Version 1.0
*///TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
public class Main {
public static void main(String[] args) {
//TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
// to see how IntelliJ IDEA suggests fixing it.
System.out.printf("Hello and welcome!");
for (int i = 1; i <= 5; i++) {
//TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
// for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
System.out.println("i = " + i);
}
}
}

164
src/compute/SimpleCalculator.java
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@ -1,4 +1,5 @@
package compute;
import javax.swing.*;
import java.awt.*;
@ -9,33 +10,44 @@ public class SimpleCalculator {
private double num1;
private double num2;
private String operator;
private double memory; // Memory for M+, M-, MR, and MC functionality
public SimpleCalculator() {
frame = new JFrame("简单计算器");
inputField = new JTextField();
inputField.setEditable(false);
inputField.setHorizontalAlignment(SwingConstants.RIGHT);
inputField.setFont(new Font("Arial", Font.BOLD, 24));
inputField.setPreferredSize(new Dimension(400, 50));
// 创建按钮
JButton btn1 = new JButton("1");
JButton btn2 = new JButton("2");
JButton btn3 = new JButton("3");
JButton btn4 = new JButton("4");
JButton btn5 = new JButton("5");
JButton btn6 = new JButton("6");
JButton btn7 = new JButton("7");
JButton btn8 = new JButton("8");
JButton btn9 = new JButton("9");
JButton btn0 = new JButton("0");
JButton btnAdd = new JButton("+");
JButton btnSubtract = new JButton("-");
JButton btnMultiply = new JButton("*");
JButton btnDivide = new JButton("/");
JButton btnEqual = new JButton("=");
JButton btnClear = new JButton("C");
JButton btn1 = createButton("1");
JButton btn2 = createButton("2");
JButton btn3 = createButton("3");
JButton btn4 = createButton("4");
JButton btn5 = createButton("5");
JButton btn6 = createButton("6");
JButton btn7 = createButton("7");
JButton btn8 = createButton("8");
JButton btn9 = createButton("9");
JButton btn0 = createButton("0");
JButton btnAdd = createButton("+");
JButton btnSubtract = createButton("-");
JButton btnMultiply = createButton("*");
JButton btnDivide = createButton("/");
JButton btnEqual = createButton("=");
JButton btnClear = createButton("C");
JButton btnDecimal = createButton(".");
JButton btnNegate = createButton("+/-");
JButton btnMPlus = createButton("M+");
JButton btnMMinus = createButton("M-");
JButton btnMR = createButton("MR");
JButton btnMC = createButton("MC");
// 设置布局
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(4, 4));
panel.setLayout(new GridLayout(6, 4, 5, 5)); // 网格布局，间距为5像素
panel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
panel.add(btn7);
panel.add(btn8);
panel.add(btn9);
@ -49,9 +61,15 @@ public class SimpleCalculator {
panel.add(btn3);
panel.add(btnSubtract);
panel.add(btn0);
panel.add(btnEqual);
panel.add(btnClear);
panel.add(btnDecimal);
panel.add(btnNegate);
panel.add(btnAdd);
panel.add(btnClear);
panel.add(btnEqual);
panel.add(btnMPlus);
panel.add(btnMMinus);
panel.add(btnMR);
panel.add(btnMC);
// 添加事件监听器
btn1.addActionListener(e -> appendToInputField("1"));
@ -64,6 +82,8 @@ public class SimpleCalculator {
btn8.addActionListener(e -> appendToInputField("8"));
btn9.addActionListener(e -> appendToInputField("9"));
btn0.addActionListener(e -> appendToInputField("0"));
btnDecimal.addActionListener(e -> appendDecimal());
btnNegate.addActionListener(e -> negateValue());
btnAdd.addActionListener(e -> setOperator("+"));
btnSubtract.addActionListener(e -> setOperator("-"));
@ -72,19 +92,46 @@ public class SimpleCalculator {
btnEqual.addActionListener(e -> calculateResult());
btnClear.addActionListener(e -> clearInput());
btnMPlus.addActionListener(e -> memoryPlus());
btnMMinus.addActionListener(e -> memoryMinus());
btnMR.addActionListener(e -> memoryRecall());
btnMC.addActionListener(e -> memoryClear());
// 设置窗体
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(400, 400);
frame.setSize(400, 600); // 调整窗体大小
frame.setLayout(new BorderLayout(5, 5));
frame.add(inputField, BorderLayout.NORTH);
frame.add(panel);
frame.add(panel, BorderLayout.CENTER);
frame.setVisible(true);
}
private JButton createButton(String text) {
JButton button = new JButton(text);
button.setFont(new Font("Arial", Font.PLAIN, 18));
button.setPreferredSize(new Dimension(80, 80));
button.setBackground(Color.LIGHT_GRAY);
button.setFocusPainted(false);
return button;
}
private void appendToInputField(String value) {
inputField.setText(inputField.getText() + value);
}
private void appendDecimal() {
if (!inputField.getText().contains(".")) {
inputField.setText(inputField.getText() + ".");
}
}
private void negateValue() {
if (!inputField.getText().isEmpty()) {
double value = Double.parseDouble(inputField.getText());
inputField.setText(String.valueOf(value * -1));
}
}
private void setOperator(String op) {
num1 = Double.parseDouble(inputField.getText());
operator = op;
@ -92,33 +139,64 @@ public class SimpleCalculator {
}
private void calculateResult() {
num2 = Double.parseDouble(inputField.getText());
double result = 0;
switch (operator) {
case "+":
result = num1 + num2;
break;
case "-":
result = num1 - num2;
break;
case "*":
result = num1 * num2;
break;
case "/":
if (num2 != 0) {
result = num1 / num2;
} else {
JOptionPane.showMessageDialog(frame, "错误：除数不能为零。");
return;
}
break;
try {
num2 = Double.parseDouble(inputField.getText());
double result = 0;
switch (operator) {
case "+":
result = num1 + num2;
break;
case "-":
result = num1 - num2;
break;
case "*":
result = num1 * num2;
break;
case "/":
if (num2 != 0) {
result = num1 / num2;
} else {
JOptionPane.showMessageDialog(frame, "错误：除数不能为零。");
return;
}
break;
}
inputField.setText(String.valueOf(result));
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(frame, "错误：无效的输入。");
}
inputField.setText(String.valueOf(result));
}
private void clearInput() {
inputField.setText("");
num1 = 0;
num2 = 0;
operator = "";
}
private void memoryPlus() {
try {
memory += Double.parseDouble(inputField.getText());
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(frame, "错误：无效的输入。");
}
}
private void memoryMinus() {
try {
memory -= Double.parseDouble(inputField.getText());
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(frame, "错误：无效的输入。");
}
}
private void memoryRecall() {
inputField.setText(String.valueOf(memory));
}
private void memoryClear() {
memory = 0;
}
public static void main(String[] args) {

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