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- // 判断arr是否为一个数组,返回一个bool值
- function isArray(arr) {
- return Object.prototype.toString.call(arr) === '[object Array]';
- }
- // 深度克隆
- function deepClone(obj) {
- // 对常见的“非”值,直接返回原来值
- if ([null, undefined, NaN, false].includes(obj)) return obj;
- if (typeof obj !== "object" && typeof obj !== 'function') {
- //原始类型直接返回
- return obj;
- }
- var o = isArray(obj) ? [] : {};
- for (let i in obj) {
- if (obj.hasOwnProperty(i)) {
- o[i] = typeof obj[i] === "object" ? deepClone(obj[i]) : obj[i];
- }
- }
- return o;
- }
- function getUUid(len = 32, firstU = true, radix = null) {
- let chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
- let uuid = [];
- radix = radix || chars.length;
- if (len) {
- // 如果指定uuid长度,只是取随机的字符,0|x为位运算,能去掉x的小数位,返回整数位
- for (let i = 0; i < len; i++) uuid[i] = chars[0 | Math.random() * radix];
- } else {
- let r;
- // rfc4122标准要求返回的uuid中,某些位为固定的字符
- uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
- uuid[14] = '4';
- for (let i = 0; i < 36; i++) {
- if (!uuid[i]) {
- r = 0 | Math.random() * 16;
- uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
- }
- }
- }
- // 移除第一个字符,并用u替代,因为第一个字符为数值时,该guuid不能用作id或者class
- if (firstU) {
- uuid.shift();
- return 'u' + uuid.join('');
- } else {
- return uuid.join('');
- }
- }
- function platform () {
- let val = null;
- // #ifdef VUE3
- val = 'VUE3'
- // #endif
- // #ifdef APP-PLUS
- val = 'APP-PLUS'
- // #endif
- // #ifdef APP-PLUS-NVUE || APP-NVUE
- val = 'NVUE'
- // #endif
- //#ifdef H5
- val = 'H5'
- //#endif
- // #ifdef MP-WEIXIN
- val = 'MP-WEIXIN'
- // #endif
- // #ifdef MP-ALIPAY
- val = 'MP-ALIPAY'
- // #endif
- // #ifdef MP-BAIDU
- val = 'MP-BAIDU'
- // #endif
- // #ifdef MP-TOUTIAO
- val = 'MP-TOUTIAO'
- // #endif
- // #ifdef MP-LARK
- val = 'MP-LARK'
- // #endif
- // #ifdef MP-TOUTIAO
- val = 'MP-QQ'
- // #endif
- // #ifdef MP-KUAISHOU
- val = 'MP-KUAISHOU'
- // #endif
- // #ifdef MP-360
- val = 'MP-360'
- // #endif
- // #ifdef QUICKAPP-WEBVIEW
- val = 'QUICKAPP-WEBVIEW'
- // #endif
- // #ifdef QUICKAPP-WEBVIEW-UNION
- val = 'QUICKAPP-WEBVIEW-UNION'
- // #endif
- // #ifdef QUICKAPP-WEBVIEW-HUAWEI
- val = 'QUICKAPP-WEBVIEW-HUAWEI'
- // #endif
-
- return val;
- }
- export {
- deepClone,
- getUUid,
- platform
- };
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