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This article mainly shows you the "sample Analysis of spring IOC and AOP", which is easy to understand and clear. I hope it can help you solve your doubts. Let the editor lead you to study and learn the article "sample Analysis of spring IOC and AOP".

The Spring framework is very popular and is the most widely used excellent framework. It reduces the complexity of software development, and spring has a wide range of uses, not limited to server-side development. In terms of simplicity, testability and loose coupling, most Java applications can benefit from Spring. IOC and AOP are the two major features of spring, and learning these two features is very helpful to the understanding of spring.

IOC control inversion

IOC (Inversion of Control) is not directly controlled by program code. Control is transferred from the application code to the external controller, and the transfer of control is called reverse. In the previous traditional development mode, we used to directly new an object to create objects, that is, you rely on the object directly by your own control, but with the IOC container, it is directly controlled by the IoC container.

Main advantages:

1. Centralized management of resources to achieve configurable and easy management of resources

two。 The coupling between components is reduced, and the decoupling between software layers is realized.

AOP aspect-oriented programming

AOP uses a technique called crosscutting, which wraps common behaviors that affect multiple classes into reusable modules, is based on IOC and is an effective complement to OOP. The AOP mechanism allows developers to extract common functions from business processes and write functional codes separately. In the process of business process execution, the Spring framework will automatically cut the independently written functional code into the appropriate location of the process according to the requirements of the business process.

Main advantages:

1. Facilitate the management of transactions and logs

two。 Decoupling, code reuse, easy to load and unload

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