Category: mybatis

In an object-oriented system, the various functions of the system are accomplished by the cooperation of many different objects. In this case, how each object...

MyBatis configuration file contains Settings and property information that will deeply affect MyBatis behavior. } 1.1 Create a new Maven project to write a tool...

Map pass parameters, directly in the SQL take out the key in the map can! Object to pass parameters, directly in the SQL to get...

Idea: build environment -- >; Import Mybatis - & gt; Writing code -- >; Test 1.1, build environment build database {code... } insert data {code......

1, CRUD We can implement the automatic commit transaction when creating the tool class! {code... } 2. Write interface {code... } 3. Write the core...

Dynamic SQLIF contains part of the WHERE clause depending on the condition {code... } followed by <; where &gt; Do not add andchoose-when-otherwise to the...

RowBounds pages no longer use SQL to implement pages. } 2. Mapper.xml {code... } 3. Test {code... }

For the teacher, set, a teacher has many students [one to many] SQL: {code... 1. Import Lombok2. Create new entity class Teacher, Student {code... }...

Environment: JDK1.8 MySQL5.7 maven3.6.1 Idea review: based MavenJunit JDBCMySQLJava framework: the configuration file. MyBatismYbatis is an excellent persistence layer framework that supports custom SQL, stored...

The different scopes and life cycle categories are critical because the wrong use can cause serious concurrency problems. SqlSessionFactoryBuilder: This class can be instantiated, used,...

JUnitMyBatisMysql: Create a new Maven project with MyBatisMysql: create a Maven project with MyBatisMysql: create a Maven project with MyBatisMysql: create a Maven project with...