Web Technology AOP Concept 跨越多个模块的关注点称为横切关注点或交叉关注点( Crosscutting Concerns) Course Service Student Service c 309 Misc Service Figure 3.1 Cross-cutting concernsWeb Technology 19 AOP Concept 跨越多个模块的关注点称为横切关注点或交叉关注点(Crosscutting Concerns)