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Untitled 1. Automatic assembly When Spring assembles Bean properties, it is sometimes quite clear that a reference to a Bean needs to be assembled to the specified properties.For example, if there is only one Bean of type org.mybatis.spring.SqlSessionFactoryBean in our application context, then any ...

Preface As mentioned in the previous article How MyBatis builds configuration classes Yes, I also said that MyBatis is mainly divided into two phases in the running process, the first is building, the second is executing, so this article will take you to see how MyBatis goes from building to executing our first SQL statement.This part of the co ...

MyBatis part2 Article directory MyBatis part2 Many to one processing One to many processing Dynamic SQL IF chooose(when,otherwise) trim(where,set) Foreach Before knowing many to one and one to many, the feeling after learning is like learning the joint table query in MySQL statements (there ...

0. Introduction to MyBatis 1) MyBatis is an open source Apache project iBatis, which was migrated to Google Code by Apache Software Foundation in June 2010. As the development team moved to Google Code, iBatis 3.x was officially renamed MyBatis and the code was migrated to Github in November 2013 2) The term iBatis comes from a combination of ...

This article is not suitable for people who do not have the foundation of spring cloud. This article is a shelf that I sorted out after learning spring cloud. Mainly for self study Students who need source code are concerned about the following official account reply: xdxcloud Service Architecture ...

General Mapper notes Build development environment (spring boot) Database tableImport dependency <dependency> <groupId>tk.mybatis</groupId> <artifactId>mapper</artifactId> <version>4.0.4</version> </dependency> To configure server: port: ...

Just about to leave work, I was stopped by a development colleague. Let's see a strange problem: the query method of the same Mapper interface of Mybatis, the first return result is different from the second return result. I can't think about it! problem Talk is heap. Show me the code mapper interface definition public interface GoodsTrackMap ...

Management dao layer of mybatis framework spring mainly manages the service layer Spring MVC manages the cortroller layer 1. guide pack 2. Write web.xml. When Tomcat starts, load the web.xml file and put its contents into the spring container (webApplicationContext, which is the sub interface of applica ...

Dynamic agents you have to learn Background of problem What are the problems? Solution Mode explanation New problems Principle of dynamic agent Related development Background of problem As a senior single dog, Xiaoqiang has finally ushered in her own spring. Under his relentless pursuit, Xiao Li ...

Original link During the epidemic, did you feel sick when you were staying at home~~ The company has opened VPN, mobile computers can connect, mobile phones can work with APP test package, so walking has been at home for 11 days since entering Beijing on February 1, 2020. These two days at home telecomm ...