学习Delphi之前，要学习一下Pascal,本文对 delphi 开发环境组成做了介绍，有助于初学者从整体把握IDE开发工具。对Delphi下各文件类型做了介结，有助于学习Delphi工程管理原理。-Before learning Delphi, to learn about Pascal, delphi development environment on the composition of this paper have been described to help beginners grasp the whole IDE development tool. The file type of Delphi do next junction-mediated help to learn Delphi project management principles.