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])