1、修改application.yml配置文件
spring:
profiles:
active: cppdy
datasource:
driver-class-name: com.mysql.jdbc.Driver
url: jdbc:mysql://localhost:3306/test?characterEncoding=UTF-8
username: root
password: root
thymeleaf:
mode: HTML5
encoding: UTF-8
content-type: text/html
name: cppdy123
2、创建application-cppdy.yml配置文件
name: cppdy222
3、访问测试方法读取的是application-cppdy.yml中的name值