关于logback日志级别动态切换的四种方式

<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="60 seconds" debug="false">
    <!-- configuration标签 scan属性代表logback框架会定时检测改配置文件是否有发生改动，如果有则更新为最新配置-->

/**
 * log api
 * @author lipeng
 */
@RequestMapping("/api/log")
@RestController
public class LogbackController {
    private Logger log = LoggerFactory.getLogger(LogbackController.class);
    /**
     * logback动态修改包名的日志级别
     * @param level 日志级别
     * @param packageName 包名
     * @return 当前的日志级别
     * @throws Exception
     */
    @RequestMapping(value = "/setlevel")
    public String updateLogbackLevel( @RequestParam(value="level") String level,
                                      @RequestParam(value="packageName",defaultValue = "-1") String packageName) throws Exception {
        ch.qos.logback.classic.LoggerContext loggerContext =(ch.qos.logback.classic.LoggerContext) LoggerFactory.getILoggerFactory();
       Logger logger= null
        if(packageName.equals("-1")) {
            // 默认值-1，更改全局日志级别；否则按传递的包名或类名修改日志级别。
          logger=  loggerContext.getLogger("root")
        } else {
           logger= loggerContext.getLogger(packageName)
        }
        logger.setLevel(ch.qos.logback.classic.Level.toLevel(level));
        return logger.getLevel();
    }
}

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>

management.security.enabled=false

management:
  endpoint:
    health:
      show-details: "ALWAYS"
  endpoints:
    web:
      exposure:
        include: "*"

{
"configuredLevel": "DEBUG"
}

{
configuredLevel: "DEBUG",
effectiveLevel: "INFO"
}

<dependency>
            <groupId>de.codecentric</groupId>
            <artifactId>spring-boot-admin-starter-client</artifactId>
        </dependency>
        <dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-actuator</artifactId>
		</dependency>