Spring Bootマルチデータソースの構成

#    
master.datasource.url=jdbc:mysql://***.**.***.**:****/   ?useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC
master.datasource.username=st
master.datasource.password=select#123
#    
cluster.datasource.url=jdbc:mysql://***.***.***.***:****/   ?useSSL=false&useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true
cluster.datasource.username=root
cluster.datasource.password=opRRd4P$iFr@hemE
#    
app.datasource.third.url=jdbc:mysql://***.***.***.***:****/   ?useSSL=false&useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true
app.datasource.third.username=cxt_onlyread
app.datasource.third.password=yz1zelX6q02&WOBs

package com.caixiaotu.orderreport;

/**
 * @author ：yousahng520i
 * @date ：Created in 2019/7/31 20:55
 * @description：      
 * @modified By：
 * @version: 1.0
 */

import com.alibaba.druid.pool.DruidDataSource;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
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 javax.sql.DataSource;
import java.io.IOException;

/**
 * @author:wong
 */
@Configuration
//  mapper   
@MapperScan(basePackages = "com.caixiaotu.orderreport.dao.jly",sqlSessionFactoryRef = "masterSqlSessionFactory")
public class MasterDataSourceConfig {

    @Value("${master.datasource.url}")
    private String masterDataSourceUrl;

    @Value("${master.datasource.username}")
    private String masterDatasourceUsername;

    @Value("${master.datasource.password}")
    private String masterDatasourcePassword;

    @Value("com.mysql.jdbc.Driver ")
    private String masterDatasourceDriverClassName;

    //  dataSource bean
    @Bean(name = "masterDataSource")
    @Primary //primary           bean  ，      bean，     
    public DataSource masterDataSource(){
        DruidDataSource dataSource = new DruidDataSource();
        dataSource.setUsername(masterDatasourceUsername);
        dataSource.setPassword(masterDatasourcePassword);
        dataSource.setDriverClassName(masterDatasourceDriverClassName);
        dataSource.setUrl(masterDataSourceUrl);
        return dataSource;
    }

    //  sqlSessionFactory bean
    @Bean(name = "masterSqlSessionFactory")
    @Primary//           ，                  
    //  @Qualifier       bean，         bean name
    //@Autowired     bean      bean  
    public SqlSessionFactory masterSqlSessionFactory(@Qualifier("masterDataSource") DataSource dataSource) throws Exception {
        SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
        sqlSessionFactoryBean.setDataSource(dataSource);
        //  mapper.xml  
        sqlSessionFactoryBean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:mapper/*.xml"));
        return sqlSessionFactoryBean.getObject();
    }
}