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| import { ref, computed } from 'vue';
|
| /**
| * 秒表计时器
| */
| export function useTimer() {
| let interval;
| const count = ref(0);
| const running = ref(false);
| const time = computed(() => {
| const hour = Math.floor(count.value / 3600);
| const min = Math.floor((count.value - hour * 3600) / 60);
| const sec = Math.floor(count.value - hour * 3600 - min * 60);
|
| return `${hour.toString().padStart(2, '0')}:${min.toString().padStart(2, '0')}:${sec
| .toString()
| .padStart(2, '0')}`;
| });
|
| function startTimer() {
| if (!running.value) {
| interval = setInterval(() => {
| count.value++;
| }, 1000);
| running.value = true
| }
| }
|
| function pauseTimer() {
| if (interval) {
| clearInterval(interval);
| }
| running.value = false
| }
|
| function stopTimer() {
| pauseTimer();
| count.value = 0;
| }
|
| return { time, startTimer, pauseTimer, stopTimer, running };
| }
|
|
