Iaas,Paas,Saas的区别 firaga 2020-05-23 232 阅读1分钟 Iaas Infrastructure as a service 基础设施即服务 Paas Platform as a service 平台即服务 Saas Software as a Service 软件即服务 怎么理解 IaaS、SaaS 和 PaaS 的区别?