编码风格的好坏对程序的健壮性有很大的影响，本文介绍了一些好的FPGA程序设计的风格，可以逐步模仿，最终形成规范的设计风格。-Coding style is good or bad the robustness of the process has a great influence, this article describes some of the good style of FPGA programming, can be gradually imitate and eventually