js 生成随机唯一字符串

// 生成随机唯一字符串
export function randomWord(randomFlag, min, max) {
let str = ‘’
let pos = ‘’
let range = min
let arr = randomString

// 随机产生
if (randomFlag) {
	range = Math.round(Math.random() * (max - min)) + min
}
for (let i = 0; i < range; i++) {
	pos = Math.round(Math.random() * (arr.length - 1))
	str += arr[pos]
}
return str

}