(Lecturer: Ren Liang. Spring 3.2 Introduction to development technology structure, IoC thinking, DI dependency injection, bean instance method, bean variety, bean effect domain range, bean lifecycle management, dependency injection, p namespace, SpELspring expression, annotation installation of beans, combination of Junit testing, WEB development integration spring, AOP thinking, AOP principle anatomy, spring traditional aop development, AspectJ introduction and use.)