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Overview: 1. Preparation Create a database and user table, account table (using mysql) Entity class User Entity class Account dao.UserDao dao.AccountDao 2. XML configuration file Mybatis-config.xml.xml (under resources directory) 3. Operation test UserDaoTest AccountDaoTest 4. note: Project ...

springboot+mybatis for data addition and deletion In the previous article about creating springboot projects with idea, let's talk about using mybatis for curd. 1. Database Creation 2. The pom.xml file adds mysql dependencies, etc. <!--mysql rely on--> <dependency> ...

Development environment jdk1.8 maven mysql8.0 1, guide package 2. Configure config (including write db.properties) db.properties: driver=com.mysql.cj.jdbc.Driver url=jdbc:mysql://localhost:3306/mybatis?useSSL=false&serverTimezone=UTC mybatis-config.xml: <?xml version="1.0" encoding="UT ...

I've learned Spring Boot these days, and I want to record it for review in the future. Spring Boot greatly simplifies the complexity of XML configuration in the past. A Web project can be built with a few simple lines of configuration, which greatly saves development time. Environmental preparation Eclipse JDK 1.7 Maven M ...

Note: here are some records of learning, I am not doing software development. Like here, we need to integrate springboot+spring+mybatis. We are still learning.   1, lombok configuration (1) Plug in download lombok offline download address: https://plugins.jetbrains.com/plugin/6317-lombok/versions ...

The principle of Mybatis interceptor is a bit convoluted and simple. The principle is to implement agents for our customized interceptor class through the dynamic agent technology of JDK, and there can be multiple agents. Therefore, Mybatis interceptor will exist in the form of a chain, and each agent w ...

1. Spring Boot project adds MyBatis dependencies and Oracle drivers: <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>com.oracle</groupId> <a ...

MyBatis You are studying on the first day of the New Year!Don't learn what to do, fight the landlords... people are not together.Learn, study makes me happy!In addition to the responsibility of poems and distant places, I also want to be responsible, but concubines can not do it. What should I do?What do you say? Why can someone else not do it ...

Taking several MySQL databases as an example, this paper adopts spring boot framework to integrate MyBatis to configure multiple data sources for database operation. In the actual project, in order to reduce the pressure on the database during the peak flow period, we can cache some database inert data ...

Recently, I practiced the springboot project, and found that the implementation of mapper.xml and DaoMapper interface class methods of mybatis framework is too arduous. Although it improves the flexibility, when there are too many tables, it is very tiring to write this part alone, so I found out how ...