mybatis-plus 多数据源配置详解 包含pom,yml,config等配置
需要引入的pom
4.0.0
org.springframework.boot
spring-boot-starter-parent
2.1.4.RELEASE
com.cqyx
others
0.0.1-SNAPSHOT
maven-ali
http://maven.aliyun.com/nexus/content/groups/public//
true
true
always
fail
org.springframework.boot
spring-boot-configuration-processor
true
org.projectlombok
lombok
true
org.springframework.boot
spring-boot-starter-test
test
org.springframework.boot
spring-boot-starter-jdbc
org.springframework.boot
spring-boot-starter-web
org.mybatis.spring.boot
mybatis-spring-boot-starter
1.1.1
com.baomidou
dynamic-datasource-spring-boot-starter
2.5.4
com.baomidou
mybatis-plus
2.1.2
mysql
mysql-connector-java
8.0.12
org.mybatis.caches
mybatis-ehcache
1.0.3
org.apache.velocity
velocity-engine-core
2.0
org.springframework.boot
spring-boot-devtools
true
org.springframework.boot
spring-boot-maven-plugin
org.apache.maven.plugins
maven-compiler-plugin
1.8
1.8
UTF-8
true
true
1.yml
server:
port: 8888
max-http-header-size: 1024000
spring:
servlet:
multipart:
max-file-size: 1000MB
max-request-size: 1000MB
application:
name: cqyx
mvc:
favicon:
enabled: false
datasource:
ds1:
url: jdbc:mysql://xxxx:3306/cqyx?characterEncoding=utf8&allowPublicKeyRetrieval=true&allowMultiQueries=true&serverTimezone=UTC&useSSL=false
username: cf
password: 123456
driver-class-name: com.mysql.cj.jdbc.Driver
type: com.zaxxer.hikari.HikariDataSource
hikari:
minimum-idle: 5
maximum-pool-size: 15
auto-commit: true
idle-timeout: 30000
pool-name: DatebookHikariCP
max-lifetime: 1800000
connection-timeout: 30000
connection-test-query: SELECT 1
ds2:
url: jdbc:mysql://xxxx:3306/cqyx?characterEncoding=utf8&allowPublicKeyRetrieval=true&allowMultiQueries=true&serverTimezone=UTC&useSSL=false
username: cqyx
password: 123456
driver-class-name: com.mysql.cj.jdbc.Driver
type: com.zaxxer.hikari.HikariDataSource
hikari:
minimum-idle: 5
maximum-pool-size: 15
auto-commit: true
idle-timeout: 30000
pool-name: DatebookHikariCP
max-lifetime: 1800000
connection-timeout: 30000
connection-test-query: SELECT 1
#mybatis配置
mybatis:
mapper-locations: classpath*:mybatis/*Mapper.xml
#实体扫描，多个package用逗号或者分号分隔
typeAliasesPackage: com.cqyx.**.entity
global-config:
#字段策略 0:"忽略判断",1:"非 NULL 判断"),2:"非空判断"
field-strategy: 2
#驼峰下划线转换
db-column-underline: true
#刷新mapper 调试神器
refresh-mapper: true
configuration:
map-underscore-to-camel-case: true
cache-enabled: false
cqyx:
#是否开启定时任务
openTask: 12.dataresource配置文件
import javax.sql.DataSource;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
/**
* 多数据源配置
*/
@Configuration
public class DataSourceConfig {
//主数据源配置 ds1数据源
@Primary
@Bean(name = "ds1DataSourceProperties")
@ConfigurationProperties(prefix = "spring.datasource.ds1")
public DataSourceProperties ds1DataSourceProperties() {
return new DataSourceProperties();
}
//主数据源 ds1数据源
@Primary
@Bean(name = "ds1DataSource")
public DataSource ds1DataSource(@Qualifier("ds1DataSourceProperties") DataSourceProperties dataSourceProperties) {
return dataSourceProperties.initializeDataSourceBuilder().build();
}
//第二个ds2数据源配置
@Bean(name = "ds2DataSourceProperties")
@ConfigurationProperties(prefix = "spring.datasource.ds2")
public DataSourceProperties ds2DataSourceProperties() {
return new DataSourceProperties();
}
//第二个ds2数据源
@Bean("ds2DataSource")
public DataSource ds2DataSource(@Qualifier("ds2DataSourceProperties") DataSourceProperties dataSourceProperties) {
return dataSourceProperties.initializeDataSourceBuilder().build();
}
}
3.mybatis-plus配置文件
import javax.sql.DataSource;
import org.apache.ibatis.mapping.DatabaseIdProvider;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.mybatis.spring.boot.autoconfigure.SpringBootVFS;
import org.mybatis.spring.boot.autoconfigure.MybatisProperties;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.ResourceLoader;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import com.baomidou.mybatisplus.MybatisConfiguration;
import com.baomidou.mybatisplus.MybatisXMLLanguageDriver;
import com.baomidou.mybatisplus.entity.GlobalConfiguration;
import com.baomidou.mybatisplus.enums.IdType;
import com.baomidou.mybatisplus.mapper.AutoSqlInjector;
import com.baomidou.mybatisplus.plugins.OptimisticLockerInterceptor;
import com.baomidou.mybatisplus.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.spring.MybatisSqlSessionFactoryBean;
@Configuration
@MapperScan(basePackages ="com.cqyx.**.mapper*", sqlSessionTemplateRef = "ds1SqlSessionTemplate")
public class MybatisPlusConfig {
@Autowired
private DataSource dataSource;
@Autowired
private MybatisProperties properties;
@Autowired
private ResourceLoader resourceLoader = new DefaultResourceLoader();
@Autowired(required = false)
private Interceptor[] interceptors;
@Autowired(required = false)
private DatabaseIdProvider databaseIdProvider;
/**
* mybatis-plus分页插件
*/
@Primary
@Bean("ds1PaginationInterceptor")
public PaginationInterceptor paginationInterceptor() {
PaginationInterceptor page = new PaginationInterceptor();
page.setDialectType("mysql");
return page;
}
/**
* mybatis-plus乐观锁插件
*/
@Primary
@Bean("ds1OptimisticLocker")
public OptimisticLockerInterceptor optimisticLockerInterceptor() {
OptimisticLockerInterceptor oLocker = new OptimisticLockerInterceptor();
return oLocker;
}
/**
* 这里全部使用mybatis-autoconfigure 已经自动加载的资源。不手动指定
* 配置文件和mybatis-boot的配置文件同步
* @return
*/
@Primary
@Bean("ds1SqlSessionFactory")
public MybatisSqlSessionFactoryBean mybatisSqlSessionFactoryBean() {
MybatisSqlSessionFactoryBean mybatisPlus = new MybatisSqlSessionFactoryBean();
mybatisPlus.setDataSource(dataSource);
mybatisPlus.setVfs(SpringBootVFS.class);
if (StringUtils.hasText(this.properties.getConfigLocation())) {
mybatisPlus.setConfigLocation(this.resourceLoader.getResource(this.properties.getConfigLocation()));
}
mybatisPlus.setConfiguration(properties.getConfiguration());
if (!ObjectUtils.isEmpty(this.interceptors)) {
mybatisPlus.setPlugins(this.interceptors);
}
MybatisConfiguration mc = new MybatisConfiguration();
mc.setDefaultScriptingLanguage(MybatisXMLLanguageDriver.class);
mybatisPlus.setConfiguration(mc);
if (this.databaseIdProvider != null) {
mybatisPlus.setDatabaseIdProvider(this.databaseIdProvider);
}
if (StringUtils.hasLength(this.properties.getTypeAliasesPackage())) {
mybatisPlus.setTypeAliasesPackage(this.properties.getTypeAliasesPackage());
}
if (StringUtils.hasLength(this.properties.getTypeHandlersPackage())) {
mybatisPlus.setTypeHandlersPackage(this.properties.getTypeHandlersPackage());
}
if (!ObjectUtils.isEmpty(this.properties.resolveMapperLocations())) {
mybatisPlus.setMapperLocations(this.properties.resolveMapperLocations());
}
//ID自增
GlobalConfiguration global = new GlobalConfiguration(new AutoSqlInjector());
global.setIdType(IdType.AUTO.getKey());
global.setDbColumnUnderline(true);
mybatisPlus.setGlobalConfig(global);
return mybatisPlus;
}
@Primary
@Bean(name = "ds1TransactionManager")
public DataSourceTransactionManager ds1TransactionManager(@Qualifier("ds1DataSource") DataSource dataSource) {
return new DataSourceTransactionManager(dataSource);
}
@Primary
@Bean(name = "ds1SqlSessionTemplate")
public SqlSessionTemplate ds1SqlSessionTemplate(@Qualifier("ds1SqlSessionFactory") SqlSessionFactory sqlSessionFactory) {
return new SqlSessionTemplate(sqlSessionFactory);
}
}