springboot日誌系列

1、引入依賴

<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>

 

2、簡介

Spring Boot默認使用LogBack日誌系統

日誌級別

TRACE < DEBUG < INFO < WARN < ERROR < FATAL

package com.asiainfo.group.servicea.controller;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/log")
public class LogController {
    //LogController.class可有可無，因爲隨便寫個其他類也不會報錯，但準確編寫class信息能夠提供快速定位日誌的效率
    private static final Logger logger = LoggerFactory.getLogger(LogController.class);

    @RequestMapping("/printLog")
    public String printLog(String log){
        //日誌級別TRACE < DEBUG < INFO < WARN < ERROR < FATAL
        logger.trace("trace:"+log);
        logger.debug("debug:"+log);
        logger.info("info:"+log);
        logger.warn("warn:"+log);
        logger.error("error:"+log);

        return "日誌打印成功！";
    }


}

 

logging:
  level:
    #所有的
    root: info
    #特定包
    com.asiainfo.group.servicea.controller: debug