$(function () {
            /*生成32位随机流水号*/
            /*默认去掉了容易混淆的字符oOLl,9gq,Vv,Uu,I1*/
            var $chars = ‘ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678‘;
            var maxPos = $chars.length;
            var pwd = ‘‘;
            for (i = 0; i < 32; i  ) {
                 pwd  = $chars.charAt(Math.floor(Math.random() * maxPos));
            }