import _ from 'lodash';
/**
* @description: 获取任意长度的随机数字字母组合字符串
* @param {*} len 随机字符串的长度
* @return {*}
*/
async randomString(len) {
const charSet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
return _.sample(charSet, len).toString().replace(/,/g, '');
}
