Spring相关知识

@Value("${spring.datasource.druid.core.url}") private String dbUrl;

@Value("${spring.datasource.druid.core.username}")
private String username;

@Value("${spring.datasource.druid.core.password}")
private String password;

@Value("${spring.datasource.druid.core.driver-class-name}")
private String driverClassName;