import org.slf4j.Logger;import org.slf4j.LoggerFactory;import ch.qos.logback.classic.Level;import ch.qos.logback.classic.LoggerContext;public class LogLeveLController{ ???????private static final Logger log = LoggerFactory.getLogger(LogLeveLController.class); ???????public void control(HttpServletRequest req) { ???????String logLevel = req.getParameter("logLevel"); ???????try { ???????????LoggerContext logcontext = (LoggerContext) LoggerFactory.getILoggerFactory(); ???????????logcontext.getLogger("org.mybatis").setLevel(Level.valueOf(logLevel)); ???????????logcontext.getLogger("org.springframework").setLevel(Level.valueOf(logLevel)); ???????????logcontext.getLogger("org.quartz").setLevel(Level.valueOf(logLevel)); ???????} catch (Exception e) { ???????????log.error("动态修改日志级别出错", e); ???????} ??}}该种实现方式主要是为了应对在生产环境动态查看logback日志级别，一般生产环境中的level为info级别，可能查看问题时可修改为debug级别，当然也可使用界面设置切换级别的模式
通过URL方式动态修改logback level级别
原文地址：https://www.cnblogs.com/codechange/p/9592077.html