application.properties 文件和 application.yml 文件有什么区别呢?

application.properties  文件和 application.yml 文件有什么区别呢?

yml文件的好处,天然的树状结构,一目了然,实质上跟properties是差不多的。

官方给的很多demo,都是用yml文件配置的。

注意点:

1,原有的key,例如spring.jpa.properties.hibernate.dialect,按“.”分割,都变成树状的配置

2,key后面的冒号,后面一定要跟一个空格

3,把原有的application.properties删掉。然后一定要执行一下  maven -X clean install

示例:

#application.yml
 
server:
  port: 8086
  
spring:
    datasource:
        name: test
        url: jdbc:mysql://192.168.1.112:3306/test
        username: root
        password: xxx
        # 使用druid数据源
        type: com.alibaba.druid.pool.DruidDataSource
        driver-class-name: com.mysql.jdbc.Driver
        filters: stat
        maxActive: 20
        initialSize: 1
        maxWait: 60000
        minIdle: 1
        timeBetweenEvictionRunsMillis: 60000
        minEvictableIdleTimeMillis: 300000
        validationQuery: select 'x'
        testWhileIdle: true
        testOnBorrow: false
        testOnReturn: false
        poolPreparedStatements: true
        maxOpenPreparedStatements: 20
#application.properties


server.port=8085


spring.datasource.type=org.apache.tomcat.jdbc.pool.DataSource

spring.datasource.url=jdbc:mysql://aliyuncs.com:3306/home?useUnicode=true&zeroDateTimeBehavior=convertToNull&autoReconnect=true

spring.datasource.username=root

spring.datasource.password=***

spring.datasource.driver-class-name=com.mysql.jdbc.Driver


#mybatis.mapper-locations=classpath*:com/wanyu/fams/mapping/*Mapper.xml

#mybatis.type-aliases-package=com.wanyu.fams.model


spring.mvc.view.prefix=/WEB-INF/jsp/

spring.mvc.view.suffix=.jsp


spring.druid.datasource.type=com.alibaba.druid.pool.DruidDataSource

spring.druid.datasource.driverClassName=com.mysql.jdbc.Driver

spring.druid.datasource.url=jdbc:mysql://localhost:3306/spring_boot?characterEncoding=utf-8

spring.druid.datasource.username=root

spring.druid.datasource.password=xxx

 

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