配置

Master datasource config

spring.datasource.druid.master.name=master spring.datasource.druid.master.driver-class-name=com.mysql.jdbc.Driver spring.datasource.druid.master.url=jdbc:mysql://localhost/redisapi?useSSL=false spring.datasource.druid.master.port=3306 spring.datasource.druid.master.username=root spring.datasource.druid.master.password=ihaveapen*^@#

SlaveAlpha datasource config

spring.datasource.druid.slave-alpha.name=SlaveAlpha spring.datasource.druid.slave-alpha.driver-class-name=com.mysql.jdbc.Driver spring.datasource.druid.slave-alpha.url=jdbc:mysql://localhost/redisapi2?useSSL=false spring.datasource.druid.slave-alpha.port=3306 spring.datasource.druid.slave-alpha.username=root spring.datasource.druid.slave-alpha.password=ihaveapen*^@#

SlaveBeta datasource config

spring.datasource.druid.slave-beta.name=SlaveBeta spring.datasource.druid.slave-beta.driver-class-name=com.mysql.jdbc.Driver spring.datasource.druid.slave-beta.url=jdbc:mysql://localhost/redisapi3?useSSL=false spring.datasource.druid.slave-beta.port=3306 spring.datasource.druid.slave-beta.username=root spring.datasource.druid.slave-beta.password=ihaveapen*^@#

SlaveGamma datasource config

spring.datasource.druid.slave-gamma.name=SlaveGamma spring.datasource.druid.slave-gamma.driver-class-name=com.mysql.jdbc.Driver spring.datasource.druid.slave-gamma.url=jdbc:mysql://localhost/redisapi4?useSSL=false spring.datasource.druid.slave-gamma.port=3306 spring.datasource.druid.slave-gamma.username=root spring.datasource.druid.slave-gamma.password=ihaveapen*^@#

Druid dataSource config

spring.datasource.type=com.alibaba.druid.pool.DruidDataSource spring.datasource.druid.initial-size=5 spring.datasource.druid.max-active=20 spring.datasource.druid.min-idle=5 spring.datasource.druid.max-wait=60000 spring.datasource.druid.pool-prepared-statements=false spring.datasource.druid.validation-query=SELECT 1 spring.datasource.druid.validation-query-timeout=30000 spring.datasource.druid.test-on-borrow=false spring.datasource.druid.test-on-return=false spring.datasource.druid.test-while-idle=true #spring.datasource.druid.time-between-eviction-runs-millis= #spring.datasource.druid.min-evictable-idle-time-millis= #spring.datasource.druid.max-evictable-idle-time-millis=10000

Druid stat filter config

spring.datasource.druid.filters=stat,wall,log4j,config,slf4j spring.datasource.druid.web-stat-filter.enabled=true spring.datasource.druid.web-stat-filter.url-pattern=/* spring.datasource.druid.web-stat-filter.exclusions=.js,.gif,.jpg,.png,.css,.ico,/druid/* spring.datasource.druid.web-stat-filter.session-stat-enable=true spring.datasource.druid.web-stat-filter.session-stat-max-count=10 spring.datasource.druid.web-stat-filter.principal-session-name=user #spring.datasource.druid.web-stat-filter.principal-cookie-name= spring.datasource.druid.web-stat-filter.profile-enable=true spring.datasource.druid.use-global-data-source-stat=true spring.datasource.druid.filter.stat.db-type=mysql spring.datasource.druid.filter.stat.log-slow-sql=true spring.datasource.druid.filter.stat.slow-sql-millis=1000 spring.datasource.druid.filter.stat.merge-sql=true spring.datasource.druid.filter.wall.enabled=true spring.datasource.druid.filter.wall.config.delete-allow=true spring.datasource.druid.filter.wall.config.drop-table-allow=false

Druid manage page config

spring.datasource.druid.stat-view-servlet.enabled=true spring.datasource.druid.stat-view-servlet.url-pattern=/druid/* spring.datasource.druid.stat-view-servlet.reset-enable=true spring.datasource.druid.stat-view-servlet.login-username=admin spring.datasource.druid.stat-view-servlet.login-password=admin #spring.datasource.druid.stat-view-servlet.allow= #spring.datasource.druid.stat-view-servlet.deny= spring.datasource.druid.filter.slf4j.enabled=true

Druid AOP config

spring.datasource.druid.aop-patterns=cn.com.hellowood.dynamicdatasource.service.* spring.aop.proxy-target-class=true

数据源配置：

@Configuration public class DataSourceConfigurer {

@Bean("master")
@Primary
@ConfigurationProperties(prefix = "spring.datasource.druid.master")
public DataSource master() {
    return DataSourceBuilder.create().build();
}

@Bean("slaveAlpha")
@ConfigurationProperties(prefix = "spring.datasource.druid.slave-alpha")
public DataSource slaveAlpha() {
    return DataSourceBuilder.create().build();
}
@Bean("slaveBeta")
@ConfigurationProperties(prefix = "spring.datasource.druid.slave-beta")
public DataSource slaveBeta() {
    return DataSourceBuilder.create().build();
}

@Bean("slaveGamma")
@ConfigurationProperties(prefix = "spring.datasource.druid.slave-gamma")
public DataSource slaveGamma() {
    return DataSourceBuilder.create().build();
}

@Bean("dynamicDataSource")
public DataSource dynamicDataSource() {
    DynamicRoutingDataSource dynamicRoutingDataSource = new DynamicRoutingDataSource();
    Map<Object, Object> dataSourceMap = new HashMap<>(4);
    dataSourceMap.put(DataSourceKey.master.name(), master());
    dataSourceMap.put(DataSourceKey.slaveAlpha.name(), slaveAlpha());
    dataSourceMap.put(DataSourceKey.slaveBeta.name(), slaveBeta());
    dataSourceMap.put(DataSourceKey.slaveGamma.name(), slaveGamma());

    dynamicRoutingDataSource.setDefaultTargetDataSource(master());
    dynamicRoutingDataSource.setTargetDataSources(dataSourceMap);

    DynamicDataSourceContextHolder.dataSourceKeys.addAll(dataSourceMap.keySet());

    DynamicDataSourceContextHolder.slaveDataSourceKeys.addAll(dataSourceMap.keySet());
    DynamicDataSourceContextHolder.slaveDataSourceKeys.remove(DataSourceKey.master.name());
    return dynamicRoutingDataSource;
}

@Bean
@ConfigurationProperties(prefix = "mybatis")
public SqlSessionFactoryBean sqlSessionFactoryBean() {
    SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
    sqlSessionFactoryBean.setDataSource(dynamicDataSource());
    return sqlSessionFactoryBean;
}

@Bean
public PlatformTransactionManager transactionManager() {
    return new DataSourceTransactionManager(dynamicDataSource());
}

}