! the appender used for the JDBC Connection open and close events
log4j.appender.connection=org.apache.log4j.FileAppender
log4j.appender.connection.File=./logs/connection.log
log4j.appender.connection.Append=false
log4j.appender.connection.layout=org.apache.log4j.PatternLayout
log4j.appender.connection.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss.SSS} %m%n
总结：
经过一番折腾之后呢，终于可以在系统看到数据库中各类的操作了，数据库的各种行为尽在眼底........