90 lines
2.9 KiB
JavaScript
90 lines
2.9 KiB
JavaScript
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// 获取URL参数
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const getUrlParam = function (name) {
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let reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
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let r = window.location.search.substr(1).match(reg); //匹配目标参数
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if (r != null)
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return decodeURIComponent(r[2]);
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return null; //返回参数值
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};
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// 判断ie浏览器版本
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const IEVersion = function () {
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let userAgent = navigator.userAgent; // 取得浏览器的userAgent字符串
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let isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1; //判断是否IE<11浏览器
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let isEdge = userAgent.indexOf("Edge") > -1 && !isIE; // 判断是否IE的Edge浏览器
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let isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1;
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if(isIE) {
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let reIE = new RegExp("MSIE (\\d+\\.\\d+);");
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reIE.test(userAgent);
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let fIEVersion = parseFloat(RegExp["$1"]);
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if(fIEVersion == 7) {
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return 7;
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} else if(fIEVersion == 8) {
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return 8;
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} else if(fIEVersion == 9) {
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return 9;
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} else if(fIEVersion == 10) {
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return 10;
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} else {
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return 6;//IE版本<=7
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}
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} else if(isEdge) {
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return 'edge';//edge
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} else if(isIE11) {
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return 11; //IE11
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} else {
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return false;//不是ie浏览器
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}
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};
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// 浏览器滚动到底部时执行fn函数
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const ScrollBottom = function (fn) {
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let $elem = document.documentElement;
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let $body = document.body;
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let scroll = $elem.scrollTop || $body.scrollTop; // 滚动条滚动的距离
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let clientH = $elem.clientHeight || $body.clientHeight; // 可视窗口总高度
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let scrollH = $elem.scrollHeight || $body.scrollHeight; // 窗口总高度
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let stayBottom = fn() || function () {};
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if (scroll >= scrollH - clientH) {
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stayBottom();
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}
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};
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const explorerType = function () {
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const u = navigator.userAgent;
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const isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1;
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const isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/);
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const isWeixin = u.indexOf('MicroMessenger') > -1;
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const isQQ = u.match(/\sQQ/i) == " QQ";
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return {
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isAndroid, isiOS, isWeixin, isQQ
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}
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};
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const scrollToTop = function () {
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let height = document.documentElement.scrollTop;
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clearInterval(window.timer);
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window.timer = null;
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let target = 0;
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window.timer = setInterval(function () {
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target = document.documentElement.scrollTop;
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target -= Math.ceil(target/10); // 做减速运动
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window.scrollTo(0, target);
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if (target == 0) {
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clearInterval(timer);
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window.timer = null;
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}
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}, 10);
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};
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// 判断设备是否有网
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const validInternet = function() {
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return window.navigator.onLine;
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};
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export const Explorer = {
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getUrlParam, IEVersion, ScrollBottom, explorerType, scrollToTop, validInternet
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};
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export default Explorer;
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