Initial commit

Experiment/graph/Exp3/Circle.mermaid

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+flowchart TD
+    Start([开始]) --> A[创建Circle对象c，半径为5]
+    A --> B1[Circle构造函数执行]
+    B1 --> B2[设置radius=5]
+    B2 --> B3[计算周长$$perimeter=2\times π\times radius$$]
+    B3 --> B4[计算面积$$area=π\times radius\times radius$$]
+    B4 --> C["调用c.getRadius()打印半径"]
+    C --> D["调用c.getPerimeter()打印周长"]
+    D --> E["调用c.getArea()打印面积"]
+    E --> End([结束])

Experiment/graph/Exp3/Person.mermaid

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+flowchart TD
+    Start([开始]) --> A[创建Person对象p]
+    A --> B[调用p.addPerson方法]
+    B --> B1[设置IdPerson=123]
+    B1 --> B2["设置Name='John Doe'"]
+    B2 --> B3[设置Sex='M']
+    B3 --> B4[设置Birthday=1990-01-01]
+    B4 --> B5["设置HomeAddress='123 Main St'"]
+    B5 --> C[调用p.showPerson方法]
+    C --> C1[打印IdPerson, Name, Sex, Birthday, HomeAddress]
+    C1 --> End([结束])

Experiment/graph/Exp3/Rectangle.mermaid

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+flowchart TD
+    Start([开始]) --> A["创建Rectangle对象rect1(5,3)"]
+    A --> A1[设置lx=0, ly=0]
+    A1 --> A2[设置rx=5, ry=3]
+    A2 --> B[打印rect1周长]
+    B --> B1["计算周长：$$2\times(|rx-lx|+|ry-ly|)$$"]
+    B1 --> C[打印rect1面积]
+    C --> C1["计算面积：$$|rx-lx|\times|ry-ly|$$"]
+    C1 --> D["创建Rectangle对象rect2(1,6,6,2)"]
+    D --> D1[设置lx=1, ly=6]
+    D1 --> D2[设置rx=6, ry=2]
+    D2 --> E[打印rect2周长]
+    E --> E1["计算周长：$$2\times(|rx-lx|+|ry-ly|)$$"]
+    E1 --> F[打印rect2面积]
+    F --> F1["计算面积：$$|rx-lx|\times|ry-ly|$$"]
+    F1 --> End([结束])