MyBatisPlus多数据源配置以及分页
0
Mapper路径
# 数据源(全局):mysql
/mybatis/dao/mapper/mysql/serMapper.xml
com.acgist.dao.mapper.mysql.UserMapper
# 数据源:oracle
/mybatis/dao/mapper/oracle/OrderMapper.xml
com.acgist.dao.mapper.oracle.OrderMapper
# 数据库:mssql
/mybatis/dao/mapper/mssql/LogMapper.xml
com.acgist.dao.mapper.mssql.LogMapper
数据配置
Oracle
package com.acgist.config;
import javax.sql.DataSource;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration;
import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import com.zaxxer.hikari.HikariDataSource;
@Configuration
@Import({DataSourceAutoConfiguration.class, DataSourceTransactionManagerAutoConfiguration.class, MybatisPlusAutoConfiguration.class})
@MapperScan(basePackages = "com.acgist.dao.mapper.oracle", sqlSessionFactoryRef = "oracleSqlSessionFactory", sqlSessionTemplateRef = "oracleSqlSessionTemplate")
public class OracleConfiguration {
static final String MAPPER_LOCATION = "classpath:/mybatis/dao/mapper/oracle/*.xml";
@Bean("oracleDataSource")
public DataSource oracleDataSource() {
final HikariDataSource dataSource = new HikariDataSource();
// TODO:加载HikariConfig
return dataSource;
}
@Bean(name = "oracleTransactionManager")
public DataSourceTransactionManager oracleTransactionManager(@Qualifier("oracleDataSource") DataSource oracleDataSource) {
return new DataSourceTransactionManager(oracleDataSource);
}
@Bean(name = "oracleSqlSessionFactory")
public SqlSessionFactory oracleSqlSessionFactory(@Qualifier("oracleDataSource") DataSource oracleDataSource) throws Exception {
final MybatisSqlSessionFactoryBean sessionFactory = new MybatisSqlSessionFactoryBean();
sessionFactory.setDataSource(oracleDataSource);
sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver().getResources(OracleConfiguration.MAPPER_LOCATION));
return sessionFactory.getObject();
}
@Bean(name = "oracleSqlSessionTemplate")
public SqlSessionTemplate oracleSqlSessionTemplate(@Qualifier("oracleSqlSessionFactory") SqlSessionFactory oracleSqlSessionFactory) {
return new SqlSessionTemplate(oracleSqlSessionFactory);
}
}
MSSQL
package com.acgist.config;
import javax.sql.DataSource;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration;
import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import com.zaxxer.hikari.HikariDataSource;
@Configuration
@Import({DataSourceAutoConfiguration.class, DataSourceTransactionManagerAutoConfiguration.class, MybatisPlusAutoConfiguration.class})
@MapperScan(basePackages = "com.acgist.dao.mapper.mssql", sqlSessionFactoryRef = "mssqlSqlSessionFactory", sqlSessionTemplateRef = "mssqlSqlSessionTemplate")
public class MssqlConfiguration {
static final String MAPPER_LOCATION = "classpath:/mybatis/dao/mapper/mssql/*.xml";
@Bean("mssqlDataSource")
public DataSource mssqlDataSource() {
final HikariDataSource dataSource = new HikariDataSource();
// TODO:加载HikariConfig
return dataSource;
}
@Bean(name = "mssqlTransactionManager")
public DataSourceTransactionManager mssqlTransactionManager(@Qualifier("mssqlDataSource") DataSource mssqlDataSource) {
return new DataSourceTransactionManager(mssqlDataSource);
}
@Bean(name = "mssqlSqlSessionFactory")
public SqlSessionFactory mssqlSqlSessionFactory(@Qualifier("mssqlDataSource") DataSource mssqlDataSource) throws Exception {
final MybatisSqlSessionFactoryBean sessionFactory = new MybatisSqlSessionFactoryBean();
sessionFactory.setDataSource(mssqlDataSource);
sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver().getResources(MssqlConfiguration.MAPPER_LOCATION));
return sessionFactory.getObject();
}
@Bean(name = "mssqlSqlSessionTemplate")
public SqlSessionTemplate mssqlSqlSessionTemplate(@Qualifier("mssqlSqlSessionFactory") SqlSessionFactory mssqlSqlSessionFactory) {
return new SqlSessionTemplate(mssqlSqlSessionFactory);
}
}
MySQL
主数据源直接配置Application:
package com.acgist.main
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@MapperScan(basePackages = "com.acgist.dao.mapper.mysql", sqlSessionFactoryRef = "sqlSessionFactory", sqlSessionTemplateRef = "sqlSessionTemplate")
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
分页
# 单数据源
@Bean
@ConditionalOnMissingBean
public MybatisPlusInterceptor mybatisPlusInterceptor() {
final MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
interceptor.addInnerInterceptor(new PaginationInnerInterceptor());
return interceptor;
}
# 多数据源
final MybatisSqlSessionFactoryBean sessionFactory = new MybatisSqlSessionFactoryBean();
final MybatisPlusInterceptor mybatisPlusInterceptor = new MybatisPlusInterceptor();
mybatisPlusInterceptor.addInnerInterceptor(new PaginationInnerInterceptor());
sessionFactory.setPlugins(new Interceptor[] { mybatisPlusInterceptor });
sessionFactory.setDataSource(mysqlDataSource);
sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver().getResources(MySQLApplicationConfiguration.MAPPER_LOCATION));
return sessionFactory.getObject();