### application.yaml
### mysql config
spring:
 datasource:
  dbcp:
   driver-class-name: com.mysql.jdbc.Driver
   url: jdbc:mysql://192.168.18.129:3306/test1
   username: root
   password: 123456

@Bean
@ConfigurationProperties(prefix = "spring.datasource.dbcp")
public DataSource mysqlSource() { 
  return DataSourceBuilder.create().build();
}
@Bean
public JdbcTemplate mysqlJdbcTemplate() { 
  return new JdbcTemplate(mysqlSource());
}

JdbcTemplate jdbcTemplate = mysqlJdbcTemplate();
jdbcTemplate.execute("DROP TABLE IF EXISTS customers");
jdbcTemplate.execute("CREATE TABLE customers(" + "id SERIAL, first_name VARCHAR(255), last_name VARCHAR(255))");
// Split up the array of whole names into an array of first/last names
List<Object[]> splitUpNames = Arrays.asList("John Woo", "Jeff Dean", "Josh Bloch", "Josh Long")
 .stream() .map(name -> name.split(" ")) .collect(Collectors.toList());
// Use a Java 8 stream to print out each tuple of the list
splitUpNames.forEach(name -> log.info(String.format("Inserting customer record for %s %s", name[0], name[1])));
// Uses JdbcTemplate's batchUpdate operation to bulk load data
jdbcTemplate.batchUpdate("INSERT INTO customers(first_name, last_name) VALUES (?,?)", splitUpNames);
log.info("Querying for customer records where first_name = 'Josh':");
jdbcTemplate.query( 
  "SELECT id, first_name, last_name FROM customers WHERE first_name = ?", 
  new Object[]{"Josh"}, (rs, rowNum) -> new Customer(rs.getLong("id"), rs.getString("first_name"), rs.getString("last_name")))
  .forEach(customer -> log.info(customer.toString()));

mysql> select * from customers;
+----+------------+-----------+
| id | first_name | last_name |
+----+------------+-----------+
| 1 | John    | Woo    |
| 2 | Jeff    | Dean   |
| 3 | Josh    | Bloch   |
| 4 | Josh    | Long   |
+----+------------+-----------+

4 rows in set (0.00 sec)

<properties> 
<java.version>1.8</java.version>
</properties>