mybatis配置可以在任何时候打印SQL ,应该把所有的配置都改为DEBUG模式。
# This is the configuring for logging displayed in the Application Server
log4j.rootCategory=DEBUG,stdout,logfile
log4j.logger.java.sql.PreparedStatement=debug,stdout
log4j.logger.java.sql.ResultSet=debug
#stdout configure
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern= %d %p [%c] - <%m>%n