转化时间字符串,HH-mm-ss->mm:ss 来吧,展示 fun timeConverse(time: String): String { //2021-07-20 14:00:00->14:00 val reg = "(\\d{4})-(\\d{2})-(\\d{2}) (\\d{2}):(\\d{2}):(\\d{2})".toRegex() return time.replace(reg, "$4:$5")}