SpringBoot Logback修改日志级别-Toy模板网

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1. 在application.yml 通过配置配置，按住Ctrl + 左键可以看源码

logging:
  level:
    root: info
    com.dj.test.controller: debug
    com.dj.test.service: debug

2. 自己写接口直接动态修改日志级别，读取application.yml配置文件算是间接修改

package com.dj.springtest.controller;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Arrays;
import java.util.List;

/**
 * Date: 2024/1/13
 * Time: 22:02
 * Description: No Description
 */
@RestController
public class LogController {

    private static final List<String> LEVELS = Arrays.asList("ALL", "all", "TRACE", "trace", "DEBUG", "debug", "INFO", "info", "WARN", "warn", "ERROR", "error", "OFF", "off");

    /**
     * 设置日志界级别
     *
     * @param overall     全局设置
     * @param part        部分设置
     * @param packagePath 涵盖包，如果有多个path，请使用英文逗号分隔
     */
    @GetMapping("/log/level")
    public String setLogLevel(String overall, String part, String packagePath) {
        LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
        if (StringUtils.isNotBlank(overall) && LEVELS.contains(overall)) {
            Logger rootLogger = loggerContext.getLogger("root");
            rootLogger.setLevel(Level.toLevel(overall));
        }

        //根据包路径进行设置
        if (StringUtils.isNotBlank(part) && LEVELS.contains(part) && StringUtils.isNotBlank(packagePath)) {
            String[] paths = packagePath.split(",");
            for (String path : paths) {
                Logger pathLogger = loggerContext.getLogger(path);
                pathLogger.setLevel(Level.toLevel(part));
            }
        }

        return "Succeeded in changing the log level";
    }

}

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