由于眼睛的问题,我不得不将控制台背景色改为白色,但字体是灰色的,它使消息无法阅读。我怎样才能改变呢?
当前回答
我创建了自己的模块StyleMe。我这样做,我可以用很少的打字做很多事情。例子:
var StyleMe = require('styleme');
StyleMe.extend() // extend the string prototype
console.log("gre{Hello} blu{world}!".styleMe()) // Logs hello world! with 'hello' being green, and 'world' being blue with '!' being normal.
它也可以被嵌套:
console.log("This is normal red{this is red blu{this is blue} back to red}".styleMe())
或者,如果你不想扩展字符串原型,你可以选择其他3个选项:
console.log(styleme.red("a string"))
console.log("Hello, this is yellow text".yellow().end())
console.log(styleme.style("some text","red,bbl"))
其他回答
这是控制台中可用颜色(包括背景和前景)的列表,带有一些可用的操作(如重置,反转等)。
const colours = {
reset: "\x1b[0m",
bright: "\x1b[1m",
dim: "\x1b[2m",
underscore: "\x1b[4m",
blink: "\x1b[5m",
reverse: "\x1b[7m",
hidden: "\x1b[8m",
fg: {
black: "\x1b[30m",
red: "\x1b[31m",
green: "\x1b[32m",
yellow: "\x1b[33m",
blue: "\x1b[34m",
magenta: "\x1b[35m",
cyan: "\x1b[36m",
white: "\x1b[37m",
gray: "\x1b[90m",
crimson: "\x1b[38m" // Scarlet
},
bg: {
black: "\x1b[40m",
red: "\x1b[41m",
green: "\x1b[42m",
yellow: "\x1b[43m",
blue: "\x1b[44m",
magenta: "\x1b[45m",
cyan: "\x1b[46m",
white: "\x1b[47m",
gray: "\x1b[100m",
crimson: "\x1b[48m"
}
};
下面是一个如何使用它的例子:
console.log(colours.bg.blue, colours.fg.white, "I am a white message with a blue background", colours.reset) ;
// Make sure that you don't forget "colours.reset" at the so that you can reset the console back to it's original colours.
或者你可以安装一些实用模块:
npm install console-info console-warn console-error --save-dev
当你使用这些模块时,它们会在控制台显示如下内容:
日志/索引.js
const colors = {
Reset : "\x1b[0m",
Bright : "\x1b[1m",
Dim : "\x1b[2m",
Underscore : "\x1b[4m",
Blink : "\x1b[5m",
Reverse : "\x1b[7m",
Hidden : "\x1b[8m",
FgBlack : "\x1b[30m",
FgRed : "\x1b[31m",
FgGreen : "\x1b[32m",
FgYellow : "\x1b[33m",
FgBlue : "\x1b[34m",
FgMagenta : "\x1b[35m",
FgCyan : "\x1b[36m",
FgWhite : "\x1b[37m",
BgBlack : "\x1b[40m",
BgRed : "\x1b[41m",
BgGreen : "\x1b[42m",
BgYellow : "\x1b[43m",
BgBlue : "\x1b[44m",
BgMagenta : "\x1b[45m",
BgCyan : "\x1b[46m",
BgWhite : "\x1b[47m",
};
module.exports = () => {
Object.keys(colors).forEach(key => {
console['log' + key] = (strg) => {
if(typeof strg === 'object') strg = JSON.stringify(strg, null, 4);
return console.log(colors[key]+strg+'\x1b[0m');
}
});
}
app.js
require('./logger')();
然后这样使用它:
console.logBgGreen(" grüner Hintergrund ")
在ubuntu中,你可以简单地使用颜色代码:
var sys = require('sys');
process.stdout.write("x1B[31m" + your_message_in_red + "\x1B[0m\r\n");
没有库,没有复杂,只是简单:
console.log(red('Error!'));
function red(s) {
return '\033[31m' + s;
}
下面你可以找到运行node.js应用程序时文本的颜色引用:
console.log('\x1b[36m%s\x1b[0m', 'I am cyan'); //cyan
console.log('\x1b[33m%s\x1b[0m', stringToMakeYellow); //yellow
注意%s是字符串(第二个参数)被注入的位置。\x1b[0m重置终端颜色,因此在此之后它不再继续是所选的颜色。
颜色参考
Reset = "\x1b[0m"
Bright = "\x1b[1m"
Dim = "\x1b[2m"
Underscore = "\x1b[4m"
Blink = "\x1b[5m"
Reverse = "\x1b[7m"
Hidden = "\x1b[8m"
FgBlack = "\x1b[30m"
FgRed = "\x1b[31m"
FgGreen = "\x1b[32m"
FgYellow = "\x1b[33m"
FgBlue = "\x1b[34m"
FgMagenta = "\x1b[35m"
FgCyan = "\x1b[36m"
FgWhite = "\x1b[37m"
FgGray = "\x1b[90m"
BgBlack = "\x1b[40m"
BgRed = "\x1b[41m"
BgGreen = "\x1b[42m"
BgYellow = "\x1b[43m"
BgBlue = "\x1b[44m"
BgMagenta = "\x1b[45m"
BgCyan = "\x1b[46m"
BgWhite = "\x1b[47m"
BgGray = "\x1b[100m"
编辑:
例如,\x1b[31m是一个转义序列,它将被您的终端拦截,并指示它切换到红色。事实上,\x1b是不可打印控制字符转义的代码。仅处理颜色和样式的转义序列也被称为ANSI转义代码,并且是标准化的,因此它们(应该)适用于任何平台。
维基百科对不同终端显示颜色的方式做了很好的比较 https://en.wikipedia.org/wiki/ANSI_escape_code#Colors
推荐文章
- ReferenceError: description没有定义NodeJs
- console.log()和console.debug()的区别?
- 将一个二进制的NodeJS Buffer转换为JavaScript的ArrayBuffer
- 如何禁用标准错误流的日志记录?
- 如何获得十六进制颜色值而不是RGB值?
- AngularJS只适用于单页应用程序吗?
- 为什么“System.out。”println“工作在Android?
- 如何在vue-cli项目中更改端口号
- 同步和异步编程(在node.js中)的区别是什么?
- 如何编辑通过npm安装的节点模块?
- “node_modules”文件夹应该包含在git存储库中吗
- 将RGB转换为白色的RGBA
- 使用package.json在全局和本地安装依赖项
- this.libOptions.parse不是一个函数
- 对嵌套文件夹运行npm install的最好方法是什么?