logback加载日志文件

代码：

import ch.qos.logback.classic.joran.JoranConfigurator;

File logbackFile = new File("./conf/logback.xml");

if (logbackFile.exists()) {

LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();

JoranConfigurator configurator = new JoranConfigurator();

configurator.setContext(lc);

lc.reset();

try {

configurator.doConfigure(logbackFile);

} catch (JoranException e) {

e.printStackTrace(System.err); System.exit(-1);

}

}