A code generator pre-processes the interface to generate implementation code for each declared, annotated method.
代码生成器预处理接口，为每个已声明的、带有注释的方法生成实现代码。
2
It generates the code required to execute each SQL statement annotated for each method in the interface.
它生成的代码用来执行针对接口中每个方法进行注释的每个sql语句。
3
Finally, you might want to have an "annotated source" listing, which prints out the source code to the application, with notes on how many times each function is called.