RetroSim vs PrState

When we were young, a video game console and a few cartridges made up a simple and pure world filled with the whole of our happiness. It was a time when electronic sound effects and pixelated images could easily capture our imaginations, and every keystroke felt like a magical spell to another dimension. We are immersed in the mushroom kingdom of Super Mario, or the Helaru continent of the Legend of Zelda, and the challenge of each level and the cheer of each victory are valuable assets on the road to growth. Do those carefree days, like the sun on a summer afternoon, warm and bright, still shine in your memory? At that time, time seemed to be stretched out, and every minute was full of infinite possibilities. We explore the unknown in the world of games, learn courage and wisdom, experience failure and success, and each attempt makes us stronger. However, as the years pass, the burden of life and endless responsibilities creep in. We become so busy with our work and our daily errands that the moments that once made us laugh seem far away. The pressure of reality makes us have to temporarily put aside our childhood dreams and seal those shining memories in some corner of our hearts. But remember, no matter how busy life gets, the kid inside never really leaves. He/she is still hungry for adventure, looking forward to finding the simple pleasures of ordinary days. Perhaps, at some random moment, when we pick up a controller again or launch a retro game on our computer, those carefree days will resurface and remind us that happiness is always there, if only we were willing to look for it. Life is not only about responsibilities and burdens, but also about memories and dreams. Let the mind occasionally go back to the past, relive that innocence and joy, perhaps you will find that the strength can help you better face the challenges of the future.

这是一个用来管理LED价格牌的APP，用户通过这个应用可以集中管理分布于各地的价格牌。价格牌被分组管理。用户可以查询和设置价格牌的显示数值，也可以查询和设置价格牌的亮度。每个价格牌最多可显示12行价格信息，每行可轮流显示现金价格和信用卡价格。 用户需要有权限才能操作，用户操作权限分为4级： 1. 超级管理员：整个系统的最高管理者，管理超级操作员和一般管理员。 2. 超级操作员：由超级管用员创建，可以查看系统中所有的价格牌信息，但是没有设置权限。 3. 一般管理员：由超级管用员创建，可以增删分组，增删价格牌，增删一般操作员，给一般操作员分配对分组的权限。 4. 一般操作员：由一般管理员创建，具体权限由创建他的一般管理员分配，可以拥有对分组的如下权限：查看分组价格牌、编辑分组价格牌、设置分组价格牌显示的价格、升级价格牌固件。