url r2dbcmysqlrm-2ze6ejy45t0u8d20q6omysqlrdsaliyuncscom3306ironman_iot以上yml配置修改为jdbc连接如何修改？

将r2dbc:mysql改为jdbc:mysql即可，如下所示：

spring:
  datasource:
    url: jdbc:mysql://rm-2ze6ejy45t0u8d20q6o.mysql.rds.aliyuncs.com:3306/ironman_iot
    username: your_username
    password: your_password
    driver-class-name: com.mysql.cj.jdbc.Driver