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:
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#application.yml
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server:
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port: 8086
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spring:
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datasource:
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name: test
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url: jdbc:mysql://192.168.1.112:3306/test
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username: root
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password: xxx
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# 使用druid数据源
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type: com.alibaba.druid.pool.DruidDataSource
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driver-class-name: com.mysql.jdbc.Driver
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filters: stat
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maxActive: 20
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initialSize: 1
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maxWait: 60000
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minIdle: 1
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timeBetweenEvictionRunsMillis: 60000
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minEvictableIdleTimeMillis: 300000
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validationQuery: select 'x'
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testWhileIdle: true
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testOnBorrow: false
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testOnReturn: false
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poolPreparedStatements: true
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maxOpenPreparedStatements: 20
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#application.properties
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server.port=8085
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spring.datasource.type=org.apache.tomcat.jdbc.pool.DataSource
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spring.datasource.url=jdbc:mysql://aliyuncs.com:3306/home?useUnicode=true&zeroDateTimeBehavior=convertToNull&autoReconnect=true
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spring.datasource.username=root
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spring.datasource.password=***
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spring.datasource.driver-class-name=com.mysql.jdbc.Driver
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#mybatis.mapper-locations=classpath*:com/wanyu/fams/mapping/*Mapper.xml
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#mybatis.type-aliases-package=com.wanyu.fams.model
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spring.mvc.view.prefix=/WEB-INF/jsp/
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spring.mvc.view.suffix=.jsp
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spring.druid.datasource.type=com.alibaba.druid.pool.DruidDataSource
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spring.druid.datasource.driverClassName=com.mysql.jdbc.Driver
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spring.druid.datasource.url=jdbc:mysql://localhost:3306/spring_boot?characterEncoding=utf-8
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spring.druid.datasource.username=root
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spring.druid.datasource.password=xxx