代码:
//生成随机字符串 function randomString(len) { len = len || 32; /默认去掉了容易混淆的字符oOLl,9gq,Vv,Uu,I1/ var $chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz'; var maxLen = $chars.length; var str = ''; for (i = 0; i < len; i++) { str += $chars.charAt(Math.floor(Math.random() * maxLen)); } return str; }
示例:
var $res=randomString(8); console.log($res);//Pnm5yAtz
var $res=randomString(0); 或者var $res=randomString(); console.log($res);//DQyfD3XxZdzwXEpsQyzPjE2GSGnxnkGN
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