上图对应的配置

非主数据源在使用Spring的事务注解使用事务时，要指明所用的事务配置名称

事务配置

指明使用的事务配置

yml文件多个数据源配置的方式

spring:
  datasource:
    db1:
      username: root
      password: 123456
      # spring2.0此处为jdbc-url
      jdbc-url: jdbc:mysql://127.0.0.1:3306/onlinetestsystem?autoReconnect=true&useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai
      type: com.alibaba.druid.pool.DruidDataSource
      druid:
        #连接池配置
        filters: stat,wall
        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
        connection-properties: druid.stat.merggSql=ture;druid.stat.slowSqlMillis=5000
        # WebStatFilter配置
        web-stat-filter:
          enabled: true
          #        url-pattern:
          exclusions: "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*"
        #        session-stat-enable:
        #        session-stat-max-count:
        #        principal-session-name:
        #        principal-cookie-name:
        #        profile-enable:
        stat-view-servlet:
          enabled: true
          #        url-pattern:
          #        reset-enable:
          login-username: admin
          login-password: admin
    db2:
      username: root
      password:
      # spring2.0此处为jdbc-url
      jdbc-url: jdbc:mysql://192.168.0.122:3306/jol?autoReconnect=true&useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai
      type: com.alibaba.druid.pool.DruidDataSource
      druid:
        #连接池配置
        filters: stat,wall
        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
        connection-properties: druid.stat.merggSql=ture;druid.stat.slowSqlMillis=5000
        # WebStatFilter配置
        web-stat-filter:
          enabled: true
          #        url-pattern:
          exclusions: "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*"
        #        session-stat-enable:
        #        session-stat-max-count:
        #        principal-session-name:
        #        principal-cookie-name:
        #        profile-enable:
        stat-view-servlet:
          enabled: true
          #        url-pattern:
          #        reset-enable:
          login-username: admin
          login-password: admin
  thymeleaf:
    cache: false
  jackson:
    date-format: yyyy-MM-dd HH:mm:ss
    time-zone: GMT+8


server:
  port: 9999


logging:
  config: classpath:config/logback-spring.xml

logging.level.org.springframework.boot.autoconfigure: ERROR