您需要为以下类别启用日志记录:

SQL -设置为调试，以便在执行所有SQL DML语句时记录日志 type -设置为trace以记录所有JDBC参数

所以log4j配置可以是这样的:

# logs the SQL statements
log4j.logger.org.hibernate.SQL=debug 

# Logs the JDBC parameters passed to a query
log4j.logger.org.hibernate.type=trace 

第一种方法相当于冬眠。Show_sql =true遗留属性时，第二个函数将打印绑定的参数。

另一种解决方案(非基于hibernate)是使用像P6Spy这样的JDBC代理驱动程序。

使用YAML属性:

logging.level.org.hibernate:
    SQL: DEBUG
    type.descriptor.sql.BasicBinder: TRACE

如果你想让Hibernate用真实值而不是问号打印生成的SQL查询，请在Hibernate .cfg.xml/ Hibernate .properties中添加以下条目:

show_sql=true
format_sql=true
use_sql_comments=true

并在log4j.properties中添加以下条目:

log4j.logger.org.hibernate=INFO, hb
log4j.logger.org.hibernate.SQL=DEBUG
log4j.logger.org.hibernate.type=TRACE
log4j.appender.hb=org.apache.log4j.ConsoleAppender
log4j.appender.hb.layout=org.apache.log4j.PatternLayout

打开org.hibernate.type记录器，查看实际参数是如何绑定到问号的。

如果你正在使用Spring Boot，只需配置如下:

application.yml

logging:
  level:
    org.hibernate.SQL: DEBUG
    org.hibernate.type: TRACE

application.properties

logging.level.org.hibernate.SQL=DEBUG
logging.level.org.hibernate.type=TRACE

仅此而已。

你的日志会是这样的:

2020-12-07 | DEBUG | o.h.SQL:127 - insert into Employee (id, name, title, id) values (?, ?, ?, ?)
2020-12-07 | TRACE | o.h.t.d.s.BasicBinder:64 - binding parameter [1] as [VARCHAR] - [001]
2020-12-07 | TRACE | o.h.t.d.s.BasicBinder:64 - binding parameter [2] as [VARCHAR] - [John Smith]
2020-12-07 | TRACE | o.h.t.d.s.BasicBinder:52 - binding parameter [3] as [VARCHAR] - [null]
2020-12-07 | TRACE | o.h.t.d.s.BasicBinder:64 - binding parameter [4] as [BIGINT] - [1]

<!-- A time/date based rolling appender -->
<appender name="FILE" class="org.apache.log4j.RollingFileAppender">
    <param name="File" value="logs/system.log" />
    <param name="Append" value="true" />
    <param name="ImmediateFlush" value="true" />
    <param name="MaxFileSize" value="200MB" />
    <param name="MaxBackupIndex" value="100" />

    <layout class="org.apache.log4j.PatternLayout">
        <param name="ConversionPattern" value="%d %d{Z} [%t] %-5p (%F:%L) - %m%n" />
    </layout>
</appender>

<appender name="journaldev-hibernate" class="org.apache.log4j.RollingFileAppender">
    <param name="File" value="logs/project.log" />
    <param name="Append" value="true" />
    <param name="ImmediateFlush" value="true" />
    <param name="MaxFileSize" value="200MB" />
    <param name="MaxBackupIndex" value="50" />

    <layout class="org.apache.log4j.PatternLayout">
        <param name="ConversionPattern" value="%d %d{Z} [%t] %-5p (%F:%L) - %m%n" />
    </layout>
</appender>

<logger name="com.journaldev.hibernate" additivity="false">
    <level value="DEBUG" />
    <appender-ref ref="journaldev-hibernate" />
</logger>

<logger name="org.hibernate" additivity="false">
    <level value="INFO" />
    <appender-ref ref="FILE" />
</logger>

<logger name="org.hibernate.type" additivity="false">
    <level value="TRACE" />
    <appender-ref ref="FILE" />
</logger>

<root>
    <priority value="INFO"></priority>
    <appender-ref ref="FILE" />
</root>