260 lines
7.0 KiB
JavaScript
260 lines
7.0 KiB
JavaScript
/**
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* 一些常用的基础方法
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* whetherNavigate 登录后跳转判断
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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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* 登录后跳转判断
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* 计算出当前router路径
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* 1.如果跳转的链接为登录页面或跳转的链接为空页面。则会重新跳转到首页
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* 2.都不满足返回跳转页面
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* @param type 'default' || 'wx' //返回地址会做判断默认为default
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*/
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export function whetherNavigate(type = "default") {
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let navigation = getCurrentPages()[getCurrentPages().length - (getCurrentPages().length ) ];
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if (getCurrentPages().length > 1) {
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console.log(navigation, getCurrentPages());
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if (navigation.route == "pages/passport/login") {
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navigationToBack(type);
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} else {
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if (!navigation.route || navigation.route == "undefined") {
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navigationToBack(type);
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} else {
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uni.navigateBack({
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delta: getCurrentPages().length-1,
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});
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}
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}
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} else {
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uni.switchTab({
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url: "/pages/tabbar/home/index",
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});
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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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export 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))
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_format = _format.replace(
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RegExp.$1,
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(d.getFullYear() + "").substr(4 - RegExp.$1.length)
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);
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for (const k in o)
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if (new RegExp("(" + k + ")").test(_format))
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_format = _format.replace(
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RegExp.$1,
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RegExp.$1.length === 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length)
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);
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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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export 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(
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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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);
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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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export 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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export 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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export function randomString(length = 32) {
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const chars =
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"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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export 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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function navigationToBack(type) {
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if (type == "wx") {
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// console.log(getCurrentPages().length - 3)
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uni.navigateBack({
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delta: getCurrentPages().length,
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});
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} else {
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uni.switchTab({
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url: "/pages/tabbar/home/index",
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});
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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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export function 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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module.exports = {
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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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whetherNavigate,
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checkBankno,
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};
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