119 lines
3.3 KiB
JavaScript
119 lines
3.3 KiB
JavaScript
/**
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* 解析url参数
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* @example ?id=12345&a=b
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* @return Object {id:12345,a:b}
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*/
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function urlParse(url) {
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let obj = {};
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let reg = /[?&][^?&]+=[^?&]+/g;
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let arr = url.match(reg);
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if (arr) {
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arr.forEach(item => {
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let tempArr = item.substring(1).split("=");
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let key = decodeURIComponent(tempArr[0]);
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let val = decodeURIComponent(tempArr.splice(1).join("="));
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obj[key] = val;
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});
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}
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return obj;
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}
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const getNetworkType = () => {
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uni.getNetworkType({
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success: res => {
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if (res.networkType === "none") {
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uni.showToast({
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title: "网络好像有点问题,请检查后重试！",
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duration: 2000,
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icon: "none"
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});
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let pages = getCurrentPages();
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if (pages.length) {
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let route = pages[pages.length - 1].route;
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if (route !== "pages/empty/empty") {
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uni.navigateTo({
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url: `/pages/empty/empty?type=wifi`
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});
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}
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} else {
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uni.navigateTo({
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url: `/pages/empty/empty?type=wifi`
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});
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}
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}
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}
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});
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};
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const throttle = (fn, that, gapTime) => {
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// export function throttle(fn, gapTime) {
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if (gapTime == null || gapTime == undefined) {
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gapTime = 1800;
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}
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let _lastTime = that.lastTime;
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let _nowTime = +new Date();
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if (_nowTime - _lastTime > gapTime || !_lastTime) {
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fn.apply(that, arguments); //将this和参数传给原函数
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that.lastTime = _nowTime;
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}
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};
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/**
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* 计算传秒数的倒计时【天、时、分、秒】
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* @param seconds
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* @returns {{day : *, hours : *, minutes : *, seconds : *}}
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*/
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const countTimeDown = seconds => {
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const leftTime = time => {
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if (time < 10) time = "0" + time;
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return time + "";
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};
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return {
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day: leftTime(parseInt(seconds / 60 / 60 / 24, 10)),
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hours: leftTime(parseInt((seconds / 60 / 60) % 24, 10)),
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minutes: leftTime(parseInt((seconds / 60) % 60, 10)),
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seconds: leftTime(parseInt(seconds % 60, 10))
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};
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};
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/**
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* 计算当前时间到第二天0点的倒计时[秒]
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* @returns {number}
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*/
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const theNextDayTime = () => {
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const nowDate = new Date();
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const time =
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new Date(
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nowDate.getFullYear(),
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nowDate.getMonth(),
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nowDate.getDate() + 1,
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0,
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0,
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0
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).getTime() - nowDate.getTime();
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return parseInt(time / 1000);
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};
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// 防抖
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const debounce = (fn, delay) => {
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// 时间期限
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var delays = delay || 200;
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var timer;
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// 闭包
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return function() {
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// 考虑作用域，上下文环境，apply需要用到this对象
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var th = this;
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// 接收的参数用 ES6 中的 rest 参数统一存储到变量 args 中。arguments就是传入的参数数组,而且个数可以不确定的传回给fn（不确定函数到底有多少个参数，用arguments来接收）
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var args = arguments;
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// 判断还在定时，说明当前正在一个计时过程中，并且又触发了相同事件。所以要取消当前的计时，重新开始计时
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if (timer) {
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clearTimeout(timer);
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}
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timer = setTimeout(function() {
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timer = null;
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// 执行方法
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fn.apply(th, args);
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}, delays);
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};
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};
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export { getNetworkType, throttle, countTimeDown, theNextDayTime, debounce };
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