值引用
default-db:
port: 3306
user-db:
# 可增加默认值
port: ${default-db.port:3307}
实际效果
default-db:
port: 3306
user-db:
port: 3306
锚点引用所有键值对
default-db: &default-db-config
host: 127.0.0.1
port: 3306
user-db:
<<: *default-db-config
实际效果
default-db:
host: 127.0.0.1
port: 3306
user-db:
host: 127.0.0.1
port: 3306
锚点引用一个值
引用的值既可用于替换键，也可用于替换值
site:
url:
user: &site.user www.user.net
shop: &site.shop www.shop.net
site:
slogan:
*site.user: everyone is great!
shop: *site.shop
实际效果
site:
url:
user: www.user.net
shop: www.shop.net
site:
slogan:
www.user.net: everyone is great!
shop: www.shop.net
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