1 export const guid = () => {
2         return `xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx`.replace(/[xy]/g, function (c) {
3             let r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
4             return v.toString(16);
5         }).toUpperCase();
6     }

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http://36nc.cn/