文章目录创建design-demo项目创建UserController创建UserService创建UserServiceImpl创建TicketBuilder创建PersonalTicketBuilder创建CompanyTicketBuilder创建CompanyTicket创建PersonalTicket创建TicketConstant校验是否正常工作创建design-demo项目项目代码：https://gitee.com/java_wxid/java_wxid/tree/master/demo
