1 加载logback
private static void loadloack() {
LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
JoranConfigurator configurator = new JoranConfigurator();
configurator.setContext(lc);
lc.reset();
try {
configurator.doConfigure("logback.xml");
} catch (JoranException e) {
e.printStackTrace();
}
StatusPrinter.printInCaseOfErrorsOrWarnings(lc);
}
2.加载log4j
public static void loadlog4j(){
String file = AbstractDAOTests.class.getClassLoader()
.getResource("./log4j.properties").getFile();
PropertyConfigurator.configure(file);
}
3. ibatis配置sql打印
log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - %m%n 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,stdout
原文：http://www.cnblogs.com/hero4china/p/5829059.html