本文共 497 字,大约阅读时间需要 1 分钟。
/**
- 随机生成字符串*/function randCode($length=5,$type=0){ $arr = array(1 => "0123456789", 2 => "abcdefghijklmnopqrstuvwxyz", 3 => "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 4 => "~@#$%^&(){}[]|");if ($type == 0){ array_pop($arr);$string = implode("", $arr);}elseif($type == "-1"){ $string = implode("", $arr);}else{ $string = $arr[$type];}$count = strlen($string) - 1;$code = '';for($i = 0; $i < $length; $i++){ $code .= $string[rand(0, $count)];}return $code;}
转载于:https://blog.51cto.com/9300893/2088614