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Resource download: https://download.csdn.net/download/weixin_44893902/45602690 Exercise point design: fuzzy query, delete, add 1, Language and environment Implementation language: JAVA language.Environment requirements: MyEclipse/Eclipse + Tomcat + MySql.Use technology: Jsp+Servlet+JavaBean or spring MVC + Spring + mybatis. 2, Realiz ...

Profile loading mapper configuration file details For the statement in the mapper configuration file, the element is described. DQL id: the unique identifier of a statement in mapper.xml. IDS can be repeated under different mapper.xml.parameterType: type of input parameter.resultType: returns the type encapsulated in the result set.result ...

@RunWith(SpringRunner.class) @SpringBootTest(classes = { AppServer.class }) @ActiveProfiles("mudev") @ComponentScan(basePackages = "com.acca.pps") @Import({SystemUtils.class}) @Slf4j public class MybatisTest { @org.junit.Test public void executorTypeTest() { SqlSessionFactory sqlSessionFactory = (SqlSessionFactory ...

1, Foreword This article mainly introduces some annotations encountered in using mybatis in the project. Although it is not the most complete, it is basically enough for development. 2, Mybatis annotation 1,@Results Function: used to map query result set to entity class attribute. When the database field name is inconsistent with the attr ...

Mybatis (V): detailed explanation of binding module This is learning today Mybatis's fifth article, let's learn in today's article binding module. This module is used to Mapper binds to its mapping file. This module is located in the org.apache.ibatis.binding package. The core classes are as follows MapperRegistry mapper registrarMap ...

Refer to the previous operation: ssm + js realizes the registration function thinking ① Backstage Mapper a. Query operation, query status = 1 b. Write mapping file c. Po d. DtoService: finish paging settings a. Paging operation while querying b. PageHelperController a. Get the front-end submission page number and number b. Returns the data o ...

Mybatis -9.28 learning notes - pre stage optimization In the first two stages, we learned how to 1. Create a project and 2. Use the add, delete, modify and query commands of the database in the Mybatis framework. This small chapter is mainly an optimization scheme to solve some problems that we may encounter in the first two chapters and some ...

preface: Hello, guys, I'm running snail rz. Of course, you can call me snail Jun. I'm a rookie who has studied Java for more than half a year. At the same time, I also have a great dream, that is, to become an excellent Java Architect one day. This Mybatis basic learning series is used to record the whole process of learning the basic ...

front word : \textcolor{blue} {Preface:} preface: 💥MyBatis learning source code in gitee 💥 The code used can be found here 8, Annotation development 1. Interface ...

1, Spring startup process reanalysis Configuration class @Configuration @ComponentScan("com.scorpios") @MapperScan("com.scorpios.mapper") public class AppConfig { @Bean public DataSource dataSource() { DruidDataSource dataSource = new DruidDataSource(); dataSource.setUsername("root"); dataSource.setPasswor ...