static function Create($username, $password) { //Step1: 生成随机串 $randomString = UserToken::GetRandomString(32); //Step2: 组合随机串,用户名和密码 $tempArray = array($randomString, $username, $password); sort($tempArray, SORT_STRING); $tempString = implode($tempArray); //Step3: 生成Token $token = sha1($tempString); return $token; }