在hibernate框架中配备显示sql语句

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<hibernate-configuration>

?? <session-factory>

??<property name="myeclipse.connection.profile">mysql</property>
??<mapping resource="com/chenhui/bean/TUserLogin.hbm.xml" />
??<mapping resource="com/chenhui/bean/TUserContent.hbm.xml" />
??<mapping resource="com/chenhui/bean/TComment.hbm.xml" />
??<mapping resource="com/chenhui/bean/TVideo.hbm.xml" />

????? <property name="dialect">
????? ??? org.hibernate.dialect.MySQLDialect
? ?? ?</property>

?? <property name="connection.url">
????? ?jdbc:mysql://localhost:3306/video
??? </property>

??<property name="connection.username">root</property>

??<property name="connection.password">123</property>

??<property name="connection.driver_class">
???com.mysql.jdbc.Driver
??</property>
??
??<property name="hibernate.show_sql">true</property><!-- 配置显示sql语句 -->
??<property name="format_sql">true</property><!-- 让输出的sql语句格式化 -->

?</session-factory>

</hibernate-configuration>