// 判空 export function isEmpty(val) { if (typeof val === 'undefined' || val == null || val === '') { return true; } else { return false; }; }; // 将base64转换为文件 export function dataURLtoFile(dataurl, filename) { var arr = dataurl.split(','); var mime = arr[0].match(/:(.*?);/)[1]; var bstr = atob(arr[1]); var n = bstr.length; var u8arr = new Uint8Array(n); while (n--) { u8arr[n] = bstr.charCodeAt(n); }; return new File([u8arr], filename, {type: mime}); }; // 证件号校验 export function validateCard(type, val) { if (type === 1) { let reg = /^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/g; if (reg.test(val)) { return false; } else { return true; }; } else if (type === 2) { let reg = /^([a-zA-z]|[0-9]){5,17}$/g; if (reg.test(val)) { return false; } else { return true; }; }; }; // 手机号校验 export function validatePhone(val) { let reg = /^1(?:3[0-9]|4[5-9]|5[0-9]|6[12456]|7[0-8]|8[0-9]|9[0-9])[0-9]{8}$/g; if (reg.test(val)) { return false; } else { return true; }; }; // 判断ios还是安卓 export function isIOSWebKit() { const aa = window.navigator.userAgent; if (!!aa.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/)) {// ios端 return true; } else if (aa.indexOf('Android') !== -1 || aa.indexOf('Adr') !== -1) {// 安卓端 return false; } } //当前方法传参数两种 字符串或者map export function callMobile(handlerInterface, parameters) { let classStr = Object.prototype.toString.call(parameters); if (classStr === '[object String]' || classStr === '[object Object]') { let param = parameters; if (classStr === "[object Object]") { //判断传参是str ,还是object //handlerInterface由iOS addScriptMessageHandler与andorid addJavascriptInterface 代码注入而来。 param = JSON.stringify(parameters);//参数必须转化成json格式 } try { if (isIOSWebKit()) {//ios if (window.webkit !== undefined) { if (param == '{}') { window.webkit.messageHandlers[handlerInterface].postMessage(null); } else { window.webkit.messageHandlers[handlerInterface].postMessage(param); } } } else if (isIOSWebKit() === false) { //安卓传输不了js json对象,只能传输string if (param == '{}') { window.H5page[handlerInterface](); } else { window.H5page[handlerInterface](param); } } } catch (e) { } } } export function getDateStr(date) { let mouth = date.getMonth() + 1; let day = date.getDate(); if (mouth < 10) { mouth = "0" + mouth; } if (day < 10) { day = "0" + day; } let resultDateStr = date.getFullYear() + "-" + mouth + "-" + day;//将日期转化为字符串格式 return resultDateStr; }