/**
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* 一些常用的基础方法
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* unixToDate 将unix时间戳转换为指定格式
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* dateToUnix 将时间转unix时间戳
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* deepClone 对一个对象进行深拷贝
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* formatPrice 货币格式化
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* secrecyMobile 手机号隐私保护
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* randomString 随机生成指定长度的字符串
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*/
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/**
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* 验证银行卡号
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*/
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export function checkBankno(bankno) {
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var lastNum = bankno.substr(bankno.length - 1, 1); //取出最后一位（与luhm进行比较）
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var first15Num = bankno.substr(0, bankno.length - 1); //前15或18位
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var newArr = [];
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for (var i = first15Num.length - 1; i > -1; i--) {
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//前15或18位倒序存进数组
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newArr.push(first15Num.substr(i, 1));
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}
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var arrJiShu = []; //奇数位*2的积 <9
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var arrJiShu2 = []; //奇数位*2的积 >9
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var arrOuShu = []; //偶数位数组
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for (var j = 0; j < newArr.length; j++) {
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if ((j + 1) % 2 == 1) {
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//奇数位
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if (parseInt(newArr[j]) * 2 < 9) arrJiShu.push(parseInt(newArr[j]) * 2);
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else arrJiShu2.push(parseInt(newArr[j]) * 2);
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} //偶数位
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else arrOuShu.push(newArr[j]);
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}
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var jishu_child1 = []; //奇数位*2 >9 的分割之后的数组个位数
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var jishu_child2 = []; //奇数位*2 >9 的分割之后的数组十位数
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for (var h = 0; h < arrJiShu2.length; h++) {
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jishu_child1.push(parseInt(arrJiShu2[h]) % 10);
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jishu_child2.push(parseInt(arrJiShu2[h]) / 10);
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}
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var sumJiShu = 0; //奇数位*2 < 9 的数组之和
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var sumOuShu = 0; //偶数位数组之和
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var sumJiShuChild1 = 0; //奇数位*2 >9 的分割之后的数组个位数之和
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var sumJiShuChild2 = 0; //奇数位*2 >9 的分割之后的数组十位数之和
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var sumTotal = 0;
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for (var m = 0; m < arrJiShu.length; m++) {
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sumJiShu = sumJiShu + parseInt(arrJiShu[m]);
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}
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for (var n = 0; n < arrOuShu.length; n++) {
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sumOuShu = sumOuShu + parseInt(arrOuShu[n]);
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}
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for (var p = 0; p < jishu_child1.length; p++) {
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sumJiShuChild1 = sumJiShuChild1 + parseInt(jishu_child1[p]);
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sumJiShuChild2 = sumJiShuChild2 + parseInt(jishu_child2[p]);
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}
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//计算总和
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sumTotal =
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parseInt(sumJiShu) +
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parseInt(sumOuShu) +
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parseInt(sumJiShuChild1) +
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parseInt(sumJiShuChild2);
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//计算Luhm值
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var k = parseInt(sumTotal) % 10 == 0 ? 10 : parseInt(sumTotal) % 10;
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var luhm = 10 - k;
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if (lastNum == luhm) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* 将unix时间戳转换为指定格式
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* @param unix 时间戳【秒】
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* @param format 转换格式
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* @returns {*|string}
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*/
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function unixToDate (unix, format) {
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if (!unix) return unix
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let _format = format || 'yyyy-MM-dd hh:mm:ss'
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const d = new Date(unix)
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const o = {
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'M+': d.getMonth() + 1,
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'd+': d.getDate(),
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'h+': d.getHours(),
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'm+': d.getMinutes(),
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's+': d.getSeconds(),
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'q+': Math.floor((d.getMonth() + 3) / 3),
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S: d.getMilliseconds()
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}
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if (/(y+)/.test(_format)) _format = _format.replace(RegExp.$1, (d.getFullYear() + '').substr(4 - RegExp.$1.length))
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for (const k in o)
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if (new RegExp('(' + k + ')').test(_format)) _format = _format.replace(RegExp.$1, (RegExp.$1.length === 1) ? (o[k]) :
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(('00' + o[k]).substr(('' + o[k]).length)))
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return _format
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}
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/**
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* 将时间转unix时间戳
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* @param date
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* @returns {number} 【秒】
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*/
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function dateToUnix (date) {
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let newStr = date.replace(/:/g, '-')
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newStr = newStr.replace(/ /g, '-')
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const arr = newStr.split('-')
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const datum = new Date(Date.UTC(
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arr[0],
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arr[1] - 1,
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arr[2],
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arr[3] - 8 || -8,
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arr[4] || 0,
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arr[5] || 0
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))
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return parseInt(datum.getTime() / 1000)
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}
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/**
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* 货币格式化
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* @param price
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* @returns {string}
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*/
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function formatPrice (price) {
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if (typeof price !== 'number') return price
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return String(Number(price).toFixed(2)).replace(/\B(?=(\d{3})+(?!\d))/g, ',')
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}
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/**
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* 手机号隐私保护
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* 隐藏中间四位数字
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* @param mobile
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* @returns {*}
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*/
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function secrecyMobile (mobile) {
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mobile = String(mobile)
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if (!/\d{11}/.test(mobile)) {
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return mobile
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}
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return mobile.replace(/(\d{3})(\d{4})(\d{4})/, '$1****$3')
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}
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/**
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* 随机生成指定长度的字符串
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* @param length
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* @returns {string}
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*/
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function randomString (length = 32) {
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const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
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const maxPos = chars.length
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let _string = ''
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for (let i = 0; i < length; i++) {
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_string += chars.charAt(Math.floor(Math.random() * maxPos))
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}
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return _string
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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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function 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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function theNextDayTime () {
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const nowDate = new Date()
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const time = new Date(nowDate.getFullYear(), nowDate.getMonth(), nowDate.getDate() + 1, 0, 0, 0).getTime() - nowDate.getTime()
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return parseInt(time / 1000)
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}
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export {
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unixToDate,
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dateToUnix,
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formatPrice,
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secrecyMobile,
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randomString,
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countTimeDown,
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theNextDayTime
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}
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