const readline = require('readline');
setInterval(()=>{
//删除光标所在行
readline.clearLine(process.stdout, 0);
//移动光标到行首
readline.cursorTo(process.stdout, 0,0)
process.stdout.write(new Date().toLocaleString(),'utf-8');
},1000)
image.png
image.png
永远在一行输出，进度条的思路大概也是这样吧；
