控制台显示sql语句
在log4j.properties这个配置文件中加入以下配置语句即可：
log4j.logger.com.ibatis = DEBUG
log4j.logger.com.ibatis.common.jdbc.SimpleDataSource = DEBUG
log4j.logger.com.ibatis.common.jdbc.ScriptRunner = DEBUG
log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate = DEBUG
log4j.logger.java.sql.Connection = DEBUG
log4j.logger.java.sql.Statement = DEBUG
log4j.logger.java.sql.PreparedStatement = DEBUG, fileout
log4j.logger.java.sql.ResultSet = DEBUG
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1.<appender name="IBatis" />
8.
9.</layout>
10.
11.<filter value="DEBUG" />
14.
15.<param name="LevelMax" value="DEBUG" />
16.
17.</filter>
18.
19.</appender>
20.
21.<logger name="com.ibatis" additivity="true">
22.
23.<level value="DEBUG" />
24.
25.</logger>
26.
27.<logger name="java.sql.Connection" additivity="true">
28.
29.<level value="DEBUG" />
30.
31.</logger>
32.
33.<logger name="java.sql.Statement" additivity="true">
34.
35.<level value="DEBUG" />
36.
37.</logger>
38.
39.<logger name="java.sql.PreparedStatement" additivity="true">
40.
41.<level value="DEBUG" />
42.
43.<appender-ref ref="IBatis" />
44.
45.</logger>
46.
47.<logger name="java.sql.ResultSet" additivity="true">
48.
49.<level value="DEBUG" />
50.
51.<appender-ref ref="IBatis" />
52.
53.</logger>
