废话不说直接上代码let timeFormat = (time) => { let timeStr = ‘’; let stringFormat = (i) => { return i < 10 ? 0${i} : ${i}; } let minuteTime = 0; let secondTime = 0; let hourTime = 0; if(time < 60) { timeStr = 00:${stringFormat(time)} } else if(time >= 60 && time < 3600) { minuteTime = parseInt(time / 60); secondTime = parseInt(time % 60); timeStr = ${stringFormat(minuteTime)}:${stringFormat(secondTime)}; } else if(time >= 3600) { let _t = parseInt(time % 3600); hourTime = parseInt(time / 3600); minuteTime = parseInt(_t / 60); secondTime = parseInt(_t % 60); timeStr = ${stringFormat(hourTime)}:${stringFormat(minuteTime)}:${stringFormat(secondTime)} } return timeStr;}