打印详细sql语句

1.log4j.properties
# print sql
log4j.logger.jdbc.sqltiming=DEBUG,console 
log4j.logger.jdbc.connection=DEBUG,console

2 db.properties

#jdbc.driver=com.mysql.jdbc.Driver
#jdbc.url=jdbc:mysql://127.0.0.1:3306/mhjr?useUnicode=true&characterEncoding=utf-8

#驱动要修改下
jdbc.driver=net.sf.log4jdbc.DriverSpy
# url地址要修改下
jdbc.url=jdbc:log4jdbc:mysql://127.0.0.1:3306/mh?useUnicode=true&characterEncoding=utf-8
jdbc.username=root
jdbc.password=123456

3 添加log4jdbc3-1.1.jar