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Dao interface proxy Case project skeleton What is agent development? Mapper interface development needs to follow the following specifications Write StudentMapper interface Case demonstration Source code analysis Analyze how dynamic proxy objects are generated? How is the analysis method performed? Dao interface proxy Case project sk ...

This weekend, I'm going to take a look at another focus of Spring, transaction learning in AOP and Spring. I've written articles about transactions before, all about how to use them in my work. I'll add some basics today, try to explain the role in some straightforward words, and then sort out the interview questions I occasionally heard in the ...

1, Quick start mybatis+MP Step 1: Based on the original code, let the XXXMapper (such as UserMapper) interface inherit the BaseMapper interface, so you can use the following methods defined in BaseMapper: Note that inheriting BaseMapper requires specifying the generic type of the entity class of the operation public interface UserMappe ...

preface The conversion capability at the Spring framework level is mainly provided by ConversionService. This chapter briefly discusses the Spring conversion service: Converter API: Converter ConverterFactory GenericConverter, etcConversion service: ConversionService seriesIntegration of Formatter and ConverterUnified transformation servi ...

Mybatis learning - dynamic SQL What is dynamic SQL Dynamic SQL is to generate different SQL statements according to different conditions Dynamic SQL is similar to JSTL or any text processor based on XML like languages. In previous versions of MyBatis, it took time to understand a large number of elements. With the powerful expression base ...

For Java developers, no one dares to underestimate the importance of Spring Boot. Now when you go out for an interview, no matter how small a company or project, you have to talk about Spring Boot and micro services. If you can't chew it down, you may miss the big factory. If you are proficient in the principle and implementation of Spring Boo ...

The file upload of Spring MVC framework is based on the Commons fileUpload component, which is further encapsulated, which simplifies the code implementation of file upload and eliminates the programming differences of different upload components. MultipartResolver interface It is very easy to upload files in Spring MVC. It provides dire ...

Introduction to spring MVC Official documents: https://docs.spring.io/spring-framework/docs/current/reference/html/web.html#mvc First try spring MVC Three major components that must be configured to use spring MVC: Process mapper, process adapter, view parser schematic diagram Operation steps Import Java Web and Spring dependenc ...

ConfigurationClassPostProcessor handles all configuration classes, including @ Component, @ Bean, @ Import annotation, etc. Since the configuration class may introduce new configuration classes and the new configuration classes need to be processed, the ConfigurationClassPostProcessor uses a do while loop to process the configuration classes un ...

1, Gossip I'm a little sleepy today, but I still insist on learning for a while. Today, let's take a look at another major feature of Spring, AOP 2, Basic points 1. Basic concepts AOP means aspect oriented programming. It is a technology to realize the unified maintenance of program functions through precompiled mode and dynamic agent during ...