1轿钠、由大小寫字母、數(shù)字生成指定長(zhǎng)度的隨機(jī)字符串
// 入?yún)ⅲ弘S機(jī)字符串的長(zhǎng)度
// 出參：生成指定長(zhǎng)度的字符
andomString: function (len) {
len = len || 32;
var $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz123456789';
var maxPos = $chars.length;
var pwd = '';
for (var i = 0; i < len; i++) {
pwd += $chars.charAt(Math.floor(Math.random() * maxPos));
}
return pwd;
}
