commit 098bd83d7b067d537b2bc92ef744fc49ebe7e281
Author: 范馨遥 <3603458499qq.com>
Date:   Mon Mar 30 21:27:23 2026 +0800

    添加图形面积计算器项目到w5文件夹

diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
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+# Maven构建产物
+target/
+
+# IDE相关文件
+.idea/
+.vscode/
+
+# 系统文件
+.DS_Store
+Thumbs.db
+
+# 日志文件
+*.log
+
+# 临时文件
+*.tmp
+*.temp
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diff --git a/pom.xml b/pom.xml
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+++ b/pom.xml
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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.example</groupId>
+    <artifactId>shape-calculator</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <name>图形面积计算器</name>
+    <description>图形面积计算器重构实验</description>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>5.9.1</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <version>5.9.1</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.10.1</version>
+                <configuration>
+                    <source>17</source>
+                    <target>17</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>3.0.0-M7</version>
+            </plugin>
+        </plugins>
+    </build>
+</project>
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diff --git a/src/main/java/com/example/shape/Circle.java b/src/main/java/com/example/shape/Circle.java
new file mode 100644
index 0000000..d29a20c
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+++ b/src/main/java/com/example/shape/Circle.java
@@ -0,0 +1,50 @@
+package com.example.shape;
+
+/**
+ * 圆形类
+ * 继承自Shape抽象类，实现getArea()方法
+ */
+public class Circle extends Shape {
+    private double radius;
+
+    /**
+     * 构造方法
+     * @param radius 圆的半径
+     */
+    public Circle(double radius) {
+        this.radius = radius;
+    }
+
+    /**
+     * 计算圆形面积
+     * @return 圆形的面积
+     */
+    @Override
+    public double getArea() {
+        return Math.PI * radius * radius;
+    }
+
+    /**
+     * 获取圆的半径
+     * @return 圆的半径
+     */
+    public double getRadius() {
+        return radius;
+    }
+
+    /**
+     * 设置圆的半径
+     * @param radius 圆的半径
+     */
+    public void setRadius(double radius) {
+        this.radius = radius;
+    }
+    
+    /**
+     * 绘制圆形
+     */
+    @Override
+    public void draw() {
+        System.out.println("绘制一个半径为 " + radius + " 的圆形");
+    }
+}
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diff --git a/src/main/java/com/example/shape/Rectangle.java b/src/main/java/com/example/shape/Rectangle.java
new file mode 100644
index 0000000..73766f5
--- /dev/null
+++ b/src/main/java/com/example/shape/Rectangle.java
@@ -0,0 +1,69 @@
+package com.example.shape;
+
+/**
+ * 矩形类
+ * 继承自Shape抽象类，实现getArea()方法
+ */
+public class Rectangle extends Shape {
+    private double width;
+    private double height;
+
+    /**
+     * 构造方法
+     * @param width 矩形的宽度
+     * @param height 矩形的高度
+     */
+    public Rectangle(double width, double height) {
+        this.width = width;
+        this.height = height;
+    }
+
+    /**
+     * 计算矩形面积
+     * @return 矩形的面积
+     */
+    @Override
+    public double getArea() {
+        return width * height;
+    }
+
+    /**
+     * 获取矩形的宽度
+     * @return 矩形的宽度
+     */
+    public double getWidth() {
+        return width;
+    }
+
+    /**
+     * 设置矩形的宽度
+     * @param width 矩形的宽度
+     */
+    public void setWidth(double width) {
+        this.width = width;
+    }
+
+    /**
+     * 获取矩形的高度
+     * @return 矩形的高度
+     */
+    public double getHeight() {
+        return height;
+    }
+
+    /**
+     * 设置矩形的高度
+     * @param height 矩形的高度
+     */
+    public void setHeight(double height) {
+        this.height = height;
+    }
+    
+    /**
+     * 绘制矩形
+     */
+    @Override
+    public void draw() {
+        System.out.println("绘制一个宽为 " + width + "，高为 " + height + " 的矩形");
+    }
+}
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diff --git a/src/main/java/com/example/shape/Shape.java b/src/main/java/com/example/shape/Shape.java
new file mode 100644
index 0000000..004ab8b
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+++ b/src/main/java/com/example/shape/Shape.java
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+package com.example.shape;
+
+/**
+ * 图形抽象类
+ * 包含抽象方法getArea()，用于计算图形面积
+ * 包含抽象方法draw()，用于绘制图形
+ */
+public abstract class Shape {
+    /**
+     * 计算图形面积
+     * @return 图形的面积
+     */
+    public abstract double getArea();
+    
+    /**
+     * 绘制图形
+     */
+    public abstract void draw();
+}
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diff --git a/src/main/java/com/example/shape/ShapeCalculatorTest.java b/src/main/java/com/example/shape/ShapeCalculatorTest.java
new file mode 100644
index 0000000..1f478bc
--- /dev/null
+++ b/src/main/java/com/example/shape/ShapeCalculatorTest.java
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+package com.example.shape;
+
+/**
+ * 图形面积计算器测试类
+ */
+public class ShapeCalculatorTest {
+    public static void main(String[] args) {
+        // 创建圆形对象，半径为5
+        Circle circle = new Circle(5);
+        System.out.println("圆形的半径: " + circle.getRadius());
+        ShapeUtil.printArea(circle);
+        ShapeUtil.ranShape(circle);
+        
+        // 创建矩形对象，宽为4，高为6
+        Rectangle rectangle = new Rectangle(4, 6);
+        System.out.println("矩形的宽: " + rectangle.getWidth() + ", 高: " + rectangle.getHeight());
+        ShapeUtil.printArea(rectangle);
+        ShapeUtil.ranShape(rectangle);
+        
+        // 创建三角形对象，底为8，高为3
+        Triangle triangle = new Triangle(8, 3);
+        System.out.println("三角形的底: " + triangle.getBase() + ", 高: " + triangle.getHeight());
+        ShapeUtil.printArea(triangle);
+        ShapeUtil.ranShape(triangle);
+    }
+}
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diff --git a/src/main/java/com/example/shape/ShapeUtil.java b/src/main/java/com/example/shape/ShapeUtil.java
new file mode 100644
index 0000000..7a1b64b
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+++ b/src/main/java/com/example/shape/ShapeUtil.java
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+package com.example.shape;
+
+/**
+ * 图形工具类
+ * 提供打印图形面积的方法和绘制图形的方法
+ */
+public class ShapeUtil {
+    /**
+     * 打印图形的面积
+     * @param shape 图形对象
+     */
+    public static void printArea(Shape shape) {
+        double area = shape.getArea();
+        System.out.println("图形的面积为: " + area);
+    }
+    
+    /**
+     * 绘制图形
+     * @param s 图形对象
+     */
+    public static void ranShape(Shape s) {
+        s.draw();
+    }
+}
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diff --git a/src/main/java/com/example/shape/Triangle.java b/src/main/java/com/example/shape/Triangle.java
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index 0000000..371a028
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+++ b/src/main/java/com/example/shape/Triangle.java
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+package com.example.shape;
+
+/**
+ * 三角形类
+ * 继承自Shape抽象类，实现getArea()方法
+ */
+public class Triangle extends Shape {
+    private double base;
+    private double height;
+
+    /**
+     * 构造方法
+     * @param base 三角形的底
+     * @param height 三角形的高
+     */
+    public Triangle(double base, double height) {
+        this.base = base;
+        this.height = height;
+    }
+
+    /**
+     * 计算三角形面积
+     * @return 三角形的面积
+     */
+    @Override
+    public double getArea() {
+        return base * height / 2;
+    }
+
+    /**
+     * 获取三角形的底
+     * @return 三角形的底
+     */
+    public double getBase() {
+        return base;
+    }
+
+    /**
+     * 设置三角形的底
+     * @param base 三角形的底
+     */
+    public void setBase(double base) {
+        this.base = base;
+    }
+
+    /**
+     * 获取三角形的高
+     * @return 三角形的高
+     */
+    public double getHeight() {
+        return height;
+    }
+
+    /**
+     * 设置三角形的高
+     * @param height 三角形的高
+     */
+    public void setHeight(double height) {
+        this.height = height;
+    }
+    
+    /**
+     * 绘制三角形
+     */
+    @Override
+    public void draw() {
+        System.out.println("绘制一个底为 " + base + "，高为 " + height + " 的三角形");
+    }
+}
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