setInterval()
<template>
</template>
<script>
export default {
data() {
return {
ExamTimeText: '' //考試時間
}
},
onLoad(e) {
/////////////定時器
var my_self = this;
var hour, minute, second; //時 分 秒
hour = minute = second = 0; //初始化
var millisecond = 0; //毫秒
this.timer = setInterval(() => {
millisecond = millisecond + 50;
if (millisecond >= 1000) {
millisecond = 0;
second = second + 1;
}
if (second >= 60) {
second = 0;
minute = minute + 1;
}
if (minute >= 60) {
minute = 0;
hour = hour + 1;
}
//時
if (hour < 10) {
var hour_1 = '0' + hour;
} else {
var hour_1 = hour;
}
//分
if (minute < 10) {
var minute_1 = '0' + minute;
} else {
var minute_1 = minute;
}
//秒
if (second < 10) {
var second_1 = '0' + second;
} else {
var second_1 = second;
}
//將時分秒組成文本
my_self.ExamTimeText = hour_1 + '時' + minute_1 + '分' + second_1 + '秒';
}, 50);
},
methods: {
}
}
</script>
<style>
</style>
效果圖
