package com.lengchuan.springBoot.jpa.config.ReadAndWrite.config; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource; import javax.sql.DataSource; import java.util.HashMap; import java.util.Map; /** * @author lengchuan <[email protected]> * @date 17 -4-5 */ @Configuration public class DataSourceConfig { private final static String WRITE_DATASOURCE_KEY = "writeDruidDataSource"; private final static String READ_DATASOURCE_KEY = "readDruidDataSource"; /** * 注入AbstractRoutingDataSource * @param readDruidDataSource * @param writeDruidDataSource * @return * @throws Exception */ @Bean public AbstractRoutingDataSource routingDataSource( @Qualifier(READ_DATASOURCE_KEY) DataSource readDruidDataSource, @Qualifier(WRITE_DATASOURCE_KEY) DataSource writeDruidDataSource ) throws Exception { DynamicDataSource dataSource = new DynamicDataSource(); Map<Object, Object> targetDataSources = new HashMap(); targetDataSources.put(WRITE_DATASOURCE_KEY, writeDruidDataSource); targetDataSources.put(READ_DATASOURCE_KEY, readDruidDataSource); dataSource.setTargetDataSources(targetDataSources); dataSource.setDefaultTargetDataSource(writeDruidDataSource); return dataSource; } }