星际拓荒日志颜色,劳力士日志颜色

代码

SLF4J——Simple Logging Facade For Java，它是一个针对于各类Java日志框架的统一Facade抽象。Java日志框架众多——常用的有java.util.logging, log4j, logback，commons-logging, Spring框架使用的是Jakarta Commons Logging API (JCL)。而SLF4J定义了统一的日志抽象接口，而真正的日志实现则是在运行时决定的——它提供了各类日志框架的binding。

Logback是log4j框架的作者开发的新一代日志框架，它效率更高、能够适应诸多的运行环境，同时天然支持SLF4J。

默认情况下，Spring Boot会用Logback来记录日志

private static final String TAG = "test";private Logger log = LoggerFactory.getLogger(TAG);public void test(String str) {log.debug(str);log.info(str);log.warn(str);log.error(str);} 无效的方法

IntelliJ IDEA 的版本是当前最新版

网上最容易搜到的方法，就是点击 “Edit Configurations…”，在确保运行模式为 “Spring Boot” 的情况下，将 “Environment” 的 “VM options” 设置为 -Dspring.output.ansi.enabled=ALWAYS


上面的这个方法，等价于在 application.properties
中配置

spring.output.ansi.enabled

alwaysneverdetect

或者在 application.yml 中配置

spring: output: ansi: enabled: always

但是，上面的方法输出的结果还是一样灰蒙蒙的。根本无效。

使用ansi颜色控制代码

下面是控制颜色的代码

// Reset public static final String RESET = "33[0m"; // Text Reset // Regular Colors public static final String WHITE = "33[0;30m"; // WHITE public static final String RED = "33[0;31m"; // RED public static final String GREEN = "33[0;32m"; // GREEN public static final String YELLOW = "33[0;33m"; // YELLOW public static final String BLUE = "33[0;34m"; // BLUE public static final String PURPLE = "33[0;35m"; // PURPLE public static final String CYAN = "33[0;36m"; // CYAN public static final String GREY = "33[0;37m"; // GREY // Bold public static final String WHITE_BOLD = "33[1;30m"; // WHITE public static final String RED_BOLD = "33[1;31m"; // RED public static final String GREEN_BOLD = "33[1;32m"; // GREEN public static final String YELLOW_BOLD = "33[1;33m"; // YELLOW public static final String BLUE_BOLD = "33[1;34m"; // BLUE public static final String PURPLE_BOLD = "33[1;35m"; // PURPLE public static final String CYAN_BOLD = "33[1;36m"; // CYAN public static final String GREY_BOLD = "33[1;37m"; // GREY // Underline public static final String WHITE_UNDERLINED = "33[4;30m"; // WHITE public static final String RED_UNDERLINED = "33[4;31m"; // RED public static final String GREEN_UNDERLINED = "33[4;32m"; // GREEN public static final String YELLOW_UNDERLINED = "33[4;33m"; // YELLOW public static final String BLUE_UNDERLINED = "33[4;34m"; // BLUE public static final String PURPLE_UNDERLINED = "33[4;35m"; // PURPLE public static final String CYAN_UNDERLINED = "33[4;36m"; // CYAN public static final String GREY_UNDERLINED = "33[4;37m"; // GREY // Background public static final String WHITE_BACKGROUND = "33[40m"; // WHITE public static final String RED_BACKGROUND = "33[41m"; // RED public static final String GREEN_BACKGROUND = "33[42m"; // GREEN public static final String YELLOW_BACKGROUND = "33[43m"; // YELLOW public static final String BLUE_BACKGROUND = "33[44m"; // BLUE public static final String PURPLE_BACKGROUND = "33[45m"; // PURPLE public static final String CYAN_BACKGROUND = "33[46m"; // CYAN public static final String GREY_BACKGROUND = "33[47m"; // GREY // High Intensity public static final String WHITE_BRIGHT = "33[0;90m"; // WHITE public static final String RED_BRIGHT = "33[0;91m"; // RED public static final String GREEN_BRIGHT = "33[0;92m"; // GREEN public static final String YELLOW_BRIGHT = "33[0;93m"; // YELLOW public static final String BLUE_BRIGHT = "33[0;94m"; // BLUE public static final String PURPLE_BRIGHT = "33[0;95m"; // PURPLE public static final String CYAN_BRIGHT = "33[0;96m"; // CYAN public static final String GREY_BRIGHT = "33[0;97m"; // GREY // Bold High Intensity public static final String WHITE_BOLD_BRIGHT = "33[1;90m"; // WHITE public static final String RED_BOLD_BRIGHT = "33[1;91m"; // RED public static final String GREEN_BOLD_BRIGHT = "33[1;92m"; // GREEN public static final String YELLOW_BOLD_BRIGHT = "33[1;93m";// YELLOW public static final String BLUE_BOLD_BRIGHT = "33[1;94m"; // BLUE public static final String PURPLE_BOLD_BRIGHT = "33[1;95m";// PURPLE public static final String CYAN_BOLD_BRIGHT = "33[1;96m"; // CYAN public static final String GREY_BOLD_BRIGHT = "33[1;97m"; // GREY // High Intensity backgrounds public static final String WHITE_BACKGROUND_BRIGHT = "33[0;100m";// WHITE public static final String RED_BACKGROUND_BRIGHT = "33[0;101m";// RED public static final String GREEN_BACKGROUND_BRIGHT = "33[0;102m";// GREEN public static final String YELLOW_BACKGROUND_BRIGHT = "33[0;103m";// YELLOW public static final String BLUE_BACKGROUND_BRIGHT = "33[0;104m";// BLUE public static final String PURPLE_BACKGROUND_BRIGHT = "33[0;105m"; // PURPLE public static final String CYAN_BACKGROUND_BRIGHT = "33[0;106m"; // CYAN public static final String GREY_BACKGROUND_BRIGHT = "33[0;107m"; // GREY

在打印日志函数的 message 前面加上颜色定义字符串，在 message 后面加上重置颜色的字符串。为了方便观察，日志改色的效果，这里进行了两次打印来作对比。

import org.slf4j.Logger;import org.slf4j.LoggerFactory;public class Console { public static Log getInstance(String name) { return new Log(name); } public static class Log {// private org.apache.commons.logging.Log log; private Logger log; public Log(String name) {// log = LogFactory.getLog(name); log = LoggerFactory.getLogger(name); } public void debug(String str) { log.debug(BLUE + str + RESET); log.debug(str); } public void info(String str) { log.info(GREEN + str + RESET); log.info(str); } public void warn(String str) { log.warn(YELLOW + str + RESET); log.warn(str); } public void error(String str) { log.error(RED + str + RESET); log.error(str); } } //此处省略颜色代码的定义}

通过打印可以看到，并不是整行日志的颜色都会改变。仅有message部分的颜色变了

使用插件

Settings ——> Plugins 中下载 “Grep Console” 插件

下载完后，会提示 “重启” ，重启之后，需要在设置中配置字体颜色。
这里可以根据 “亮色” 和 “暗色” 的主题进行分别配色

配置后重新运行程序，可以看到输出的日志已经全部变色了

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