Using Delphi to develop multi-layer applications (iii) Introduction to common multi-layer frameworks of Delphi

At present, the multi-layer application frameworks developed in Delphi are basically concentrated in the following types. Each development framework has its own advantages and disadvantages, and there is no best one. You can refer

Select a framework based on your actual needs. I will share with you my experience in using several frameworks. If something is wrong, you can make a brick.

1. datasnap provided by Delphi

Since Delphi 3, Delphi itself began to support multi-layer development. Later versions gradually strengthened the three-layer development function. After Delphi 6,

This function is called datasnap, and each has many changes, including dbexpress database access, server development, and transmission protocol

The latest Delphi Xe has been greatly enhanced. The following figure shows the datasnap architecture.