软件开发遵循项目管理和软件工程的基本原则。项目管理涉及立项管理、项目计划和监控、配置管理、合作开发管理和结项管理。软件工程涉及需求管理、系统设计、系统实现、系统测试、用户接受测试、试运行、系统验收、系统上线和数据迁移。-Software development follows the basic principles of project management and software engineering. Project management involves project management, project planning and monitoring, configuration management, cooperative development management and knot management. Software engineering involves requirements management, system design, system implementation, system testing, user acceptance testing, commissioning, system acceptance, system and data migration.