Programming VIP

The first 3 chapter AOP Aspect oriented programming AOP brief introduction AOP ( Aspect Orient Programming ), aspect oriented programming. Aspect oriented programming is considered from a dynamic point of view Sequence operation process. AOP The bottom layer is realized by using dynamic agent mode ...

Absrtact: in a certain period of time, we encountered the need to transfer files. We need to use HttpClient to transfer files. In the process of realizing this requirement, we use MultipartFile and File. This article is shared from Huawei cloud community< MultipartFile and File >, author: Copy engineer. preface In a certain period of ...

1, AOP overview AOP: its full name is Aspect Oriented Programming, that is, Aspect Oriented Programming. It extracts the repeated code of the program. When it needs to be executed, it uses the technology of dynamic agent to enhance the existing methods without modifying the source code. Function: during the running of the program, the ex ...

AOP introduction AOP(Aspect Oriented Progrmming) is a technology of aspect oriented programming, which realizes the unified maintenance of functions through precompiled mode and dynamic agent during operation. Role of Aop While the program is running, it enhances the function of the program without modifying the code. Make the essential public ...

In fact, AOP_ The biggest difference between AspectJ programming and traditional AOP programming is that writing an Aspect supports multiple Advice and multiple pointcuts. And we write AOP_Aspctj does not need to inherit any interfaces, unlike traditional AOP.Pre notification is performed before running our proxy method.Advance notice ha ...

Reflection mechanism and Application What is reflection In the program running state, for any class or object, all properties and methods of the class (including private properties and methods) can be obtained. This function of dynamically obtaining information and dynamically calling object methods is called reflection mechanism. In short, ...

1, Background When we start the application, we often need to do some initialization operations. At this time, we try to tangle with their execution order. In fact, what we should really care about is our requirements and when they should be executed. 2, Source code analysis In order not to state a large number of source code, only the run m ...

1, How to start the IoC container: 1. Start IoC container in Java environment: ClassPathXmlApplicationContext: load the configuration file from the root path of the class (recommended);FileSystemXmlApplicationContext: load the configuration file from the disk path;AnnotationConfigApplicationContext: start the Spring container in pure anno ...

IOC usage IOC introduction: IOC container is provided in spring IOC(Inversion Of Control) Object creation is left to the external container. This is control inversion spring uses control inversion to realize the use of objects in different programs The necessity of container existence is to manage objects Object creation is left to the ...

2, AOP aspect oriented programmingOfficial download addressPower node spring dataVideo viewing addresshttps://www.bilibili.com/video/BV1nz4y1d7uy2.1 generalAOP(Aspect Orient Programming). Aspect oriented programming is to consider the program running process from a dynamic point of viewThe bottom layer of AOP is realized by dynamic agent mode. ...