[Data Center Charging System] project review and reconstruction prospects, data center Charging System

[Data Center Charging System] project review and reconstruction prospects, data center Charging System
All the bugs that once forced you to think about hanging up, after completion, are just a few simple lines of code. Just like this impermanence of life, the weak man is always intimidated by the attitude of the tiger, and only the brave man will find the essence of the paper-the difficulty is like a spring, if you are weak, it will be strong. Today, looking down on it as a winner, we will find that it is not only simple in nature, but also simple in structure. Next, let's analyze the project briefly.
1. The charging system of the program structure data room is mainly used to add, delete, modify, query, and display data and calculate the amount.


Outlook: we hope that every function can be written in a module during reconstruction, and then we can just call it.Ii. Data Structure

I will not convert the relationship mode. rebuild it .. Draw one more image to learn more about the relationship. The previous er pictures should have been lost .. One time is better than one time. Come on!

It is too necessary to manage software development with the idea of engineering management. This system practice directly starts program coding without any analysis. Write a bit of code and find out a few problems before. Then, return to change the front and back after the change. It takes more time not to mention, leaving a lot of bugs. Software Engineering is really important. The soft engineer video must be summarized.
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