org.hibernate.connection.C3P0ConnectionProvider com.mysql.jdbc.Driver uskyIOT jdbc:mysql://47.98.201.187:3306/ytIoT?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&autoReconnectForPools=true&zeroDateTimeBehavior=convertToNull uskyIOT true after_statement cn.com.usky.utils.DialectForInkfish true true 10 3 1800 100 update 30000 2