uniProject/pages/newEnglish/components/useAudio.js

	import {
		reactive,
		ref
	} from 'vue';
	import { onHide, onUnload} from "@dcloudio/uni-app"

export function useAudio (url) {
	const innerAudioContext = ref(null);
	function createAudio() {
		const innerAudioContext = uni.createInnerAudioContext();
		innerAudioContext.autoplay = false;
		innerAudioContext.src = url;
		innerAudioContext.onPlay(() => {
			// 播放
			uni.$emit('play-audio');
		});
		innerAudioContext.onError((res) => {
		  uni.$emit('play-error')
		});
		innerAudioContext.onEnded(() => {
			// 播放结束
			uni.$emit('play-audio-ended')
		})
		return innerAudioContext;
	}
	
	onHide(() => {
		innerAudioContext.value.stop();
	})
	
	onUnload(() => {
		innerAudioContext.value.stop();
	})
	

	// 展开食物停止播放
	uni.$on('swiper-change', () => {
		innerAudioContext.value.stop();
	})
	
	innerAudioContext.value = createAudio();
	
	function handlePlay() {
		innerAudioContext.value.destroy();
		innerAudioContext.value = null;
		innerAudioContext.value = createAudio();
		innerAudioContext.value.play()
	}
	
	return {
		innerAudioContext,
		handlePlay
	}
}