mybatis-plus多数据源配置
这里结合了springboot的多数据源配置，主要是手动创建数据源，再手动设置配置一些配置参数。
多数据源事务参考多数据源事务（非分布式）_SomeOtherTime的博客-CSDN博客_多数据源事务
参考源码分析 - MyBatis Plus 多数据源踩坑 - 知乎
yml：
## 部署环境
server:
port: 8210
spring:
datasource:
#不同数据配置名会变，以下是HikariDataSource
one:
driver-class-name: org.postgresql.Driver
jdbc-url: jdbc:postgresql://192.168.2.89:5435/la_water_river
username: postgres
password: zhcssyb704!
minimum-idle: 10
maximum-pool-size: 5
two:
driver-class-name: com.kingbase8.Driver
jdbc-url: jdbc:kingbase8://172.16.1.28:54321/la_water_monitor?currentSchema=PUBLIC
username: kingbases
password: kingbases
minimum-idle: 5
maximum-pool-size: 20
# redis 配置
redis:
host: 192.168.2.76
port: 6379
password: Kd123456
database: 10
timeout: 10s
cache:
type: redis
redis:
time-to-live: 20000 #缓存超时时间ms
cache-null-values: false #是否缓存空值
management:
endpoints:
web:
base-path: /actuator
exposure:
include: "*"
endpoint:
health:
show-details: always
security:
enabled: false
swagger:
enable: true
logging:
config: classpath:logback-spring-dev.xml
mybatis-plus:
type-handlers-package: com.zjzy.mapper.typehandler
configuration:
map-underscore-to-camel-case: true
auto-mapping-behavior: full
log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
mapper-locations: classpath*:mapper/**/*Mapper.xml #多数据源下该配置失效，配置在代码中数据源1:
package com.wisdomcity.laian.river.config.datasource;
import com.baomidou.mybatisplus.core.config.GlobalConfig;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import com.wisdomcity.laian.river.config.MybatisPlusConfig;
import com.wisdomcity.laian.river.config.UpdateMetaObjectHandler;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.type.TypeHandler;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import javax.sql.DataSource;
@Configuration
@MapperScan(basePackages = "com.wisdomcity.laian.river.mapper.water",sqlSessionFactoryRef = "sqlSessionFactoryOne",sqlSessionTemplateRef = "sqlSessionTemplateOne")
public class DatasourceConfigOne {
//
// @Autowired
// @Qualifier("globalConfig")
// private GlobalConfig globalConfig;
@Autowired
MybatisPlusInterceptor mybatisPlusInterceptor;
@Bean(name = "dataSourceOne")
@ConfigurationProperties(prefix = "spring.datasource.one")
@Primary
public DataSource dataSource() {
return DataSourceBuilder.create().build();
}
@Primary
@Bean(name = "sqlSessionFactoryOne")
public SqlSessionFactory sqlSessionFactory(@Qualifier("dataSourceOne") DataSource dataSource) throws Exception {
//SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
MybatisSqlSessionFactoryBean bean = new MybatisSqlSessionFactoryBean();
bean.setDataSource(dataSource);
bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath*:mapper/water/*.xml"));
// bean.setGlobalConfig(globalConfig);
bean.setGlobalConfig(globalConfig());
bean.setPlugins(mybatisPlusInterceptor);
//https://blog.csdn.net/weixin_41785851/article/details/119739897
MybatisConfiguration configuration = new MybatisConfiguration();
configuration.setMapUnderscoreToCamelCase(true);
// 配置打印sql语句
configuration.setLogImpl(StdOutImpl.class);
bean.setConfiguration(configuration);
return bean.getObject();
}
@Primary
@Bean(name = "transactionManagerOne")
public DataSourceTransactionManager transactionManager(@Qualifier("dataSourceOne") DataSource dataSource) {
return new DataSourceTransactionManager(dataSource);
}
@Primary
@Bean(name = "sqlSessionTemplateOne")
public SqlSessionTemplate sqlSessionTemplate(@Qualifier("sqlSessionFactoryOne") SqlSessionFactory sqlSessionFactory) {
return new SqlSessionTemplate(sqlSessionFactory);
}
// /** 全局自定义配置 */
// @Bean(name = "globalConfigMP")
// @ConfigurationProperties(prefix = "mybatis-plus")
// public GlobalConfig globalConfig(){
// return new GlobalConfig();
// }
/**
* 自动插入创建和更新时间
* 多数据源下要创建多个，或者不创建，不然saveBatch等批量操作方法会报错，因为save方法是获取baseMapper，而批量操作的saveBatch方法是从全局配置 GlobalConfig 里获取的。
*/
@Bean("waterGlobalConfig")
public GlobalConfig globalConfig() {
GlobalConfig globalConfig = new GlobalConfig();
globalConfig.setMetaObjectHandler(new UpdateMetaObjectHandler());
return globalConfig;
}
}
数据源2：
package com.wisdomcity.laian.river.config.datasource;
import com.baomidou.mybatisplus.core.config.GlobalConfig;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import com.wisdomcity.laian.river.config.UpdateMetaObjectHandler;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import javax.sql.DataSource;
@Configuration
@MapperScan(basePackages = "com.wisdomcity.laian.river.mapper.monitor",sqlSessionFactoryRef = "sqlSessionFactoryTwo",sqlSessionTemplateRef = "sqlSessionTemplateTwo")
public class DatasourceConfigTwo {
// @Autowired
// @Qualifier("globalConfig")
// private GlobalConfig globalConfig;
@Autowired
MybatisPlusInterceptor mybatisPlusInterceptor;
@Bean(name = "dataSourceTwo")
@ConfigurationProperties(prefix = "spring.datasource.two")
public DataSource dataSource() {
return DataSourceBuilder.create().build();
}
@Bean(name = "sqlSessionFactoryTwo")
public SqlSessionFactory sqlSessionFactory(@Qualifier("dataSourceTwo") DataSource dataSource) throws Exception {
//SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
MybatisSqlSessionFactoryBean bean = new MybatisSqlSessionFactoryBean();
bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath*:mapper/monitor/*.xml"));
// bean.setGlobalConfig(globalConfig);
bean.setGlobalConfig(globalConfig());
bean.setPlugins(mybatisPlusInterceptor);
bean.setDataSource(dataSource);
//https://blog.csdn.net/weixin_41785851/article/details/119739897
MybatisConfiguration configuration = new MybatisConfiguration();
configuration.setMapUnderscoreToCamelCase(true);
// 配置打印sql语句
configuration.setLogImpl(StdOutImpl.class);
bean.setConfiguration(configuration);
return bean.getObject();
}
@Bean(name = "transactionManagerTwo")
public DataSourceTransactionManager transactionManager(@Qualifier("dataSourceTwo") DataSource dataSource) {
return new DataSourceTransactionManager(dataSource);
}
@Bean(name = "sqlSessionTemplateTwo")
public SqlSessionTemplate sqlSessionTemplate(@Qualifier("sqlSessionFactoryTwo") SqlSessionFactory sqlSessionFactory) {
return new SqlSessionTemplate(sqlSessionFactory);
}
/**
* 自动插入创建和更新时间
* 多数据源下要创建多个，或者不创建，不然saveBatch等批量操作方法会报错，因为save方法是获取baseMapper，而批量操作的saveBatch方法是从全局配置 GlobalConfig 里获取的。
*/
@Bean("monitorGlobalConfig")
public GlobalConfig globalConfig() {
GlobalConfig globalConfig = new GlobalConfig();
globalConfig.setMetaObjectHandler(new UpdateMetaObjectHandler());
return globalConfig;
}
}
分页配置
package com.wisdomcity.laian.river.config;
import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.core.config.GlobalConfig;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* MybatisPlus分页配置
*/
@Configuration
public class MybatisPlusConfig {
/**
* 分页插件
*/
@Bean
public MybatisPlusInterceptor mybatisPlusInterceptor() {
MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.POSTGRE_SQL));
return interceptor;
}
}