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// commons在DOM操作完毕后插入
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// 获取可视窗宽高
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function getViewPortWH() {
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return {
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clientW: document.documentElement.clientWidth || document.body.clientWidth,
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clientH: document.documentElement.clientHeight || document.body.clientHeight
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}
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}
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function isMobile() {
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const regex_match = /(nokia|iphone|android|motorola|^mot-|softbank|foma|docomo|kddi|up.browser|up.link|htc|dopod|blazer|netfront|helio|hosin|huawei|novarra|CoolPad|webos|techfaith|palmsource|blackberry|alcatel|amoi|ktouch|nexian|samsung|^sam-|s[cg]h|^lge|ericsson|philips|sagem|wellcom|bunjalloo|maui|symbian|smartphone|midp|wap|phone|windows ce|iemobile|^spice|^bird|^zte-|longcos|pantech|gionee|^sie-|portalmmm|jigs browser|hiptop|^benq|haier|^lct|operas*mobi|opera*mini|320x320|240x320|176x220)/i;
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const u = navigator.userAgent;
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if (null == u) {
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return true;
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}
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let result = regex_match.exec(u);
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return null == result ? false : true;
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}
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/**
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* css属性的动画设置
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* @param {object} settings 动画效果配置参数
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*/
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function cssAnimate(settings) {
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// 使用解构赋值 提取参数值到变量中
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let {
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ele,
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transform,
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duration,
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whendone = null
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} = settings
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if (ele.timer) return // 如果已有定时器 则点击无效
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let frames = 0,
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numFrames = duration / 100
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const beginAt = {},
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increment = {}
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/*
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* 1| 计算初始样式和动画增量
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*/
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const cssProps = getComputedStyle(ele)
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for (let item in transform) {
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beginAt[item] = parseInt(cssProps[item])
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increment[item] = (transform[item] - beginAt[item]) / numFrames
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}
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/*
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* 2| 设置定时任务执行动画
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*/
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ele.timer = setInterval(function () {
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frames++;
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// 判断临界条件
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if (frames > numFrames) {
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// 取消定时器
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clearInterval(ele.timer)
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delete ele.timer;
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if (whendone instanceof Function) whendone.call(ele);
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return false;
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}
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for (let item in transform) {
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ele.style[item] = (beginAt[item] + increment[item] * frames) + 'px';
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}
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}, 100);
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}
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function timeTD(resolve, reject, seconds = null) {
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let total = seconds || 60;
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resolve(total);
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let timer = setInterval(function () {
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if (--total < 1) {
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clearInterval(timer);
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reject();
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} else {
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resolve(total);
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}
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}, 1000);
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}
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function curryTimeTD(resolve, seconds = null) {
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return function (reject) {
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let total = seconds || 60;
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resolve(total);
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let timer = setInterval(function () {
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if (--total < 1) {
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clearInterval(timer);
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reject();
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} else {
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resolve(total);
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}
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}, 1000);
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return timer;
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}
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}
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export default {
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getViewPortWH,
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cssAnimate,
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timeTD,
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curryTimeTD,
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isMobile
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}
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