Program logic extractor(PLEA) Starting from "seeing is thinking",this is the best way to understand the system.

PLEA adopts a top-down approach,combining the context of the entire system.included of functions,variables,tables and stored procedures,etc.

PLEA uses offline extraction,It does not depend on the compilation environment,Code will not be broken.

PLEA is applicable to developers, operation and maintenance personnel and other relevant personnel,The same applies to system learning and training.