日期转化
//数据转化 function formatNumber(n) { n = n.toString() return n[1] ? n : '0' + n}/** * 时间戳转化为年 月 日 时 分 秒 * number: 传入时间戳 * format：返回格式，支持自定义，但参数必须与formateArr里保持一致 */function formatTime(number, format) { var format; var formateArr = ['Y', 'M', 'D', 'h', 'm', 's']; var returnArr = []; if (!format) { // 是否是今天 if (new Date(parseFloat(number) * 1000).toDateString() === new Date().toDateString()) { format = 'h:m' } else if (new Date(parseFloat(number) * 1000).getFullYear() === new Date().getFullYear()) { // 是否是今年 format = 'M-D' } else { // 今年以前 format = 'Y-M-D' } } var date = new Date(number * 1000); returnArr.push(date.getFullYear()); returnArr.push(formatNumber(date.getMonth() + 1)); returnArr.push(formatNumber(date.getDate())); returnArr.push(formatNumber(date.getHours())); returnArr.push(formatNumber(date.getMinutes())); returnArr.push(formatNumber(date.getSeconds())); for (var i in returnArr) { format = format.replace(formateArr[i], returnArr[i]); } return format;}
将大数字格式化
/** * 将大数字格式化 例：N万 N亿 保留小数点后一位(方式为截取) * @param arg string/int 原始数据 * @returns {*} */function beautifyNumber(arg) { if (arg === undefined || arg === null || arg === "") { console.error("参数不能为空"); return "" } var strArg = arg + ""; var length = strArg.length; if (length <= 0) { return "" } if (length < 5) { return strArg } if (length < 6) { return strArg.substring(0, length - 4) + "." + strArg.substring(length - 4, length - 3) + "W" } if (length >= 6) { // return strArg.substring(0, length - 8) + "." + strArg.substring(length - 8, length - 7) + "亿" return "10W+" } return arg;}
移动端自适应rem
<script> /* rem自适应脚本 * @param designWidth 设计稿页面宽度 */ ; (function (designWidth) { var docEle = document.documentElement; var scale = 1; var viewportContent = "width=device-width,initial-scale=" + scale + ",maximum-scale=" + scale + ",user-scalable=no"; var meta = document.querySelector("meta[name=viewport]"); if (meta) { meta.setAttribute("content", viewportContent); } else { meta = document.createElement("mata"); meta.setAttribute("name", "viewport"); meta.setAttribute("content", viewportContent); if (docEle.firstElementChild) { //<head> docEle.firstElementChild.appendChild(meta); } else { var head = document.createElement("head"); head.autocapitalize(meta); docEle.appendChild(head); } } //设置font-size docEle.style.fontSize = (docEle.clientWidth / designWidth) * 16 + "px"; })(375); </script>