Mybatis框架用logback时，输入日志文件

    <logger name="com.ibatis" level="DEBUG" />
    <logger name="com.ibatis.common.jdbc.SimpleDataSource" level="DEBUG" />
    <logger name="com.ibatis.common.jdbc.ScriptRunner" level="DEBUG" />
    <logger name="com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate" level="DEBUG" />
    <logger name="java.sql.Connection" level="DEBUG" />
    <logger name="java.sql.Statement" level="DEBUG" />
    <logger name="java.sql.PreparedStatement" level="DEBUG" />
      <logger name="java.sql.ResultSet" level="DEBUG" />

    <settings>
         <setting name="logImpl" value="STDOUT_LOGGING" /> 
    </settings>