182 lines
4.0 KiB
JavaScript
182 lines
4.0 KiB
JavaScript
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export const utils = {
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ColorMain: '#318AFE',
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ColorRed: '#F02C45',
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/**
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* 限制只让输入数字
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* @param {Object} e
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*/
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isNumber (e) {
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console.log(e)
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return e.replace(/[^\d]/g, '')
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},
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/**
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* 限制金额输入格式
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* @param {Object} e
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*/
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isMoney (e) {
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return e.toString().replace(/[^0-9.]/g, '').replace(/^\./g, "").replace(".", "$#$").replace(/\./g, "").replace("$#$", ".").replace(/^(\-)*(\d+)\.(\d{0,2}).*$/, "$1$2.$3")
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},
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/**
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* 判断菜品使用价格
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* @param {Object} e
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*/
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isGoodsPrice(item,user) {
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let isVip = uni.getStorageSync("shopInfo").isMemberPrice&&user.id&&user.isVip
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let memberPrice = item.memberPrice ? item.memberPrice : item.price;
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let price = isVip ? memberPrice : item.price;
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price = item.discountSaleAmount ? item.discountSaleAmount : price
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return price;
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},
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inputReg(value,key,regName){
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//判断regList对象是否存在属性 避免报错
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// utils.hasOwnProperty.call(utils,regName)&&(form[key]=utils[regName](value))
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},
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/**
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* 金额保留两位小数
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* @param {Object} e
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*/
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toFixed (price,item) {
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if( item ){
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if( item.productType == 'weight' || item.type == 'weight'){
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return (Math.floor(price * 100)/100).toFixed(2)
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} else {
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return parseFloat(price).toFixed(2)
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}
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} else {
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return parseFloat(price).toFixed(2)
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}
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},
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/**
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* 金额向下取整
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* @param {Object} e
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*/
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formatPrice (e) {
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return (Math.floor(n*100)/100).toFixed(2)
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},
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/**
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* 消息提示框
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*/
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showToast(title, duration = 1.5, extObject) {
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return new Promise((resolve, reject) => {
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uni.showToast(Object.assign({ title: title, icon: 'none', mask: false, duration: (duration * 1000) }, extObject))
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setTimeout(resolve, (duration * 1000));
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})
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},
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/**
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* 保留小数n位，不进行四舍五入
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* num你传递过来的数字,
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* decimal你保留的几位,默认保留小数后两位
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*/
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formatDecimal (num, decimal = 2) {
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num = num.toString()
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const index = num.indexOf('.')
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if (index !== -1) {
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num = num.substring(0, decimal + index + 1)
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} else {
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num = num.substring(0)
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}
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//截取后保留两位小数
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return parseFloat(num).toFixed(decimal)
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},
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/**
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* 分转元
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* amount - 金额
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* parseFloat - 是否转换为数字格式，
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* 默认String
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*/
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cert2Dollar(amount, needParseFloat = false) {
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if (needParseFloat) { // parseFlot
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return formatDecimal(amount / 100)
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}
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return formatDecimal(amount / 100)
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},
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/**
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* @desc 函数防抖
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* @param func 目标函数
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* @param wait 延迟执行毫秒数
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* @param immediate true - 立即执行， false - 延迟执行
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*/
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debounce (func, wait = 1000, immediate = true) {
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let timer;
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return function() {
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let context = this,
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args = arguments;
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if (timer) clearTimeout(timer);
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if (immediate) {
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let callNow = !timer;
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timer = setTimeout(() => {
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timer = null;
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}, wait);
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if (callNow) func.apply(context, args);
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} else {
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timer = setTimeout(() => {
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func.apply(context, args);
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}, wait)
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}
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}
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},
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/**
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* @desc 函数节流
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* @param func 函数
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* @param wait 延迟执行毫秒数
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* @param type 1 使用表时间戳，在时间段开始的时候触发 2 使用表定时器，在时间段结束的时候触发
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*/
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throttle (func, wait = 1000, type = 1) {
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let previous = 0;
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let timeout;
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return function() {
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let context = this;
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let args = arguments;
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if (type === 1) {
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let now = Date.now();
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if (now - previous > wait) {
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func.apply(context, args);
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previous = now;
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}
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} else if (type === 2) {
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if (!timeout) {
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timeout = setTimeout(() => {
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timeout = null;
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func.apply(context, args)
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}, wait)
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}
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}
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}
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},
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/**
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* 对象转数组
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* @param {Object} e
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*/
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objToArrary (obj) {
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if (Object.values(obj) && Array.isArray(Object.values(obj)[0])){
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// 是数组
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let arr = []
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Object.values(obj).forEach(item=>{
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arr = [...arr,...item]
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})
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return arr
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} else {
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// 不是数组
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return Object.keys(obj).map(key => obj[key])
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}
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},
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} |