spring.datasource.url=jdbc:mysql://localhost/testspring.datasource.username=rootspring.datasource.password=****
spring.datasource.driver-class-name=com.mysql.jdbc.Driverspring.datasource.type=com.zaxxer.hikari.HikariDataSource

      <dependency>        <groupId>org.mybatis</groupId>        <artifactId>mybatis</artifactId>        <version>${mybatis.version}</version>      </dependency>      <dependency>        <groupId>org.mybatis</groupId>        <artifactId>mybatis-spring</artifactId>        <version>${mybatis-spring.version}</version>      </dependency>    <dependency>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-starter-web</artifactId>    </dependency>    <dependency>      <groupId>mysql</groupId>      <artifactId>mysql-connector-java</artifactId>    </dependency>　　　

　　　<dependency>
　　　　<groupId>com.zaxxer</groupId>
　　　　<artifactId>HikariCP</artifactId>
　　　　<exclusions>
　　　　　　<exclusion>
　　　　　　　　<artifactId>tools</artifactId>
　　　　　　　　<groupId>com.sun</groupId>
　　　　　　</exclusion>
　　　　</exclusions>
　　</dependency>

/** * Actual DataSource configurations imported by {@link DataSourceAutoConfiguration}. * * @author Dave Syer * @author Phillip Webb * @author Stephane Nicoll */abstract class DataSourceConfiguration {    @SuppressWarnings("unchecked")    protected <T> T createDataSource(DataSourceProperties properties,            Class<? extends DataSource> type) {        return (T) properties.initializeDataSourceBuilder().type(type).build();    }    /**     * Tomcat Pool DataSource configuration.     */    @ConditionalOnClass(org.apache.tomcat.jdbc.pool.DataSource.class)    @ConditionalOnProperty(name = "spring.datasource.type", havingValue = "http://www.mamicode.com/org.apache.tomcat.jdbc.pool.DataSource", matchIfMissing = true)    static class Tomcat extends DataSourceConfiguration {        @Bean        @ConfigurationProperties(prefix = "spring.datasource.tomcat")        public org.apache.tomcat.jdbc.pool.DataSource dataSource(                DataSourceProperties properties) {            org.apache.tomcat.jdbc.pool.DataSource dataSource = createDataSource(                    properties, org.apache.tomcat.jdbc.pool.DataSource.class);            DatabaseDriver databaseDriver = DatabaseDriver                    .fromJdbcUrl(properties.determineUrl());            String validationQuery = databaseDriver.getValidationQuery();            if (validationQuery != null) {                dataSource.setTestOnBorrow(true);                dataSource.setValidationQuery(validationQuery);            }            return dataSource;        }    }    /**     * Hikari DataSource configuration.     */    @ConditionalOnClass(HikariDataSource.class)    @ConditionalOnProperty(name = "spring.datasource.type", havingValue = "http://www.mamicode.com/com.zaxxer.hikari.HikariDataSource", matchIfMissing = true)    static class Hikari extends DataSourceConfiguration {        @Bean        @ConfigurationProperties(prefix = "spring.datasource.hikari")        public HikariDataSource dataSource(DataSourceProperties properties) {            return createDataSource(properties, HikariDataSource.class);        }    }    /**     * DBCP DataSource configuration.     */    @ConditionalOnClass(org.apache.commons.dbcp2.BasicDataSource.class)    @ConditionalOnProperty(name = "spring.datasource.type", havingValue = "http://www.mamicode.com/org.apache.commons.dbcp2.BasicDataSource", matchIfMissing = true)    static class Dbcp2 extends DataSourceConfiguration {        @Bean        @ConfigurationProperties(prefix = "spring.datasource.dbcp2")        public org.apache.commons.dbcp2.BasicDataSource dataSource(                DataSourceProperties properties) {            return createDataSource(properties,                    org.apache.commons.dbcp2.BasicDataSource.class);        }    }    /**     * Generic DataSource configuration.     */    @ConditionalOnMissingBean(DataSource.class)    @ConditionalOnProperty(name = "spring.datasource.type")    static class Generic {        @Bean        public DataSource dataSource(DataSourceProperties properties) {            return properties.initializeDataSourceBuilder().build();        }    }}

spring:  application:    name: data-multidatasource    datasource:        type: com.zaxxer.hikari.HikariDataSource        url: jdbc:mysql://localhost:3306/test        username: sa        password: ****  second-datasource:    driver-class-name: org.hsqldb.jdbc.JDBCDriver    url: jdbc:hsqldb:mem:db2    username: sa    password:****

@Configurationpublic class SencondDataSourceConfiguration {    @Bean    @ConfigurationProperties(prefix = "spring.datasource")    public DataSource newDataSource() {        return DataSourceBuilder.create().build();    }    @Bean(name = "secondDatasource")    @ConfigurationProperties(prefix = "spring.second-datasource")    public DataSource secondDataSource() {        return DataSourceBuilder.create().build();    }}