增加音乐,摇一摇,服务等页面

util/music/BaseUtil.js

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+/**
+ * 秒数转时长  1 → 00:01
+ */
+export function secondToDuration(second, fixed = 0) {
+	var sec = (second % 60).toFixed(fixed);
+	var min = Math.floor(second / 60);
+	if (min.toString().length < 2) {
+		min = '0' + min;
+	}
+	if (sec < 10) {
+		sec = '0' + sec;
+	}
+	return min + ':' + sec
+}
+
+/**
+ * 判断两个对象是否相等
+ * @param {Object} o1
+ * @param {Object} o2
+ */
+export function objEquals(o1,o2){
+	if(o1 && o2){
+		return o1.platform == o2.platform && o1.id == o2.id;
+	}else{
+		return false;
+	}
+}
+
+export function isExist(list,obj){
+	for (let itemIndex in list) {
+		const item = list[itemIndex];
+		if (objEquals(item,obj)) {
+			return true;
+		}
+	}
+	return false;
+}
+
+export function findIndex(list,obj){
+	for (let itemIndex in list) {
+		const item = list[itemIndex];
+		if (objEquals(item,obj)) {
+			return parseInt(itemIndex);
+		}
+	}
+	return -1;
+}
+
+export function findObj(list,obj){
+	const index = findIndex(list,obj);
+	if(inde != -1){
+		return list[index];
+	}
+	return null;
+}
+
+export function isFind(list,obj){
+	const index = findIndex(list,obj);
+	if(index != -1){
+		return true;
+	}
+	return false;
+}
+
+export function showToast(title,duration = 2000,icon="none",position="bottom"){
+	uni.showToast({
+		title,
+		icon,
+		duration,
+		position
+	});
+}
+/**
+ * 格式化歌词
+ * @param {String} lrcStr 歌词文本
+ * @param {String} mode 格式 object 对象模式，array 数组模式
+ */
+export function formatLrc(lrcStr,mode = 'object'){
+	const reg = /\[\d*:\d*(\.|:)\d*]/g
+	const timeReg = /\[(\d{2,})\:(\d{2})(?:\.(\d{1,3}))?\]/g; // eslint-disable-line no-useless-escape
+	let timeResult = [];
+	let index = 0;
+	if(mode == 'object'){
+		let lrcs = {};
+		lrcStr.split("\n").forEach(item => {
+			const timeRegAry = item.match(reg);
+			if (timeRegAry) {
+				const time = timeRegAry[0];
+				const min = parseInt(time.match(/\[\d*/i).toString().slice(1))
+				const sec = parseInt(time.match(/\:\d*/i).toString().slice(1))
+				const second = min * 60 + sec
+				const content = item.replace(timeRegAry, "")
+				lrcs[second] = {
+					time,
+					content
+				};
+			}
+		})
+		return lrcs;
+	}else{
+		let lrcs = [];
+		lrcStr.split("\n").forEach(item => {
+			const timeRegAry = item.match(reg);
+			if (timeRegAry) {
+				const time = timeRegAry[0];
+				const min = parseInt(time.match(/\[\d*/i).toString().slice(1))
+				const sec = parseInt(time.match(/\:\d*/i).toString().slice(1))
+				const second = min * 60 + sec
+				const content = item.replace(timeRegAry, "")
+				 lrcs.push({
+					second,
+					time,
+					content
+				});
+			}
+		})
+		return lrcs;
+	}
+	
+}