27、获取图片验证需要的uuId

export function getUUID() {

   return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {

       return (c === 'x' ? (Math.random() * 16 | 0) : ('r&ox3' | '0x8')).toString(16)

   })

}