//自动为用户随机生成用户名(长度6-13) 
        function create_password($pw_length = 4){ 
            $randpwd = ''; 
            for ($i = 0; $i
                $randpwd .= chr(mt_rand(33, 126)); 
            } 
            return $randpwd; 
        } 
        function generate_username( $length = 6 ) { 
            // 密码字符集，可任意添加你需要的字符 
            $chars = 'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()-_ []{}~`+=,.;:/?|'; 
            $password = ''; 
            for ( $i = 0; $i
            { 
                // 这里提供两种字符获取方式 
                // 第一种是使用substr 截取$chars中的任意一位字符； 
                // 第二种是取字符数组$chars 的任意元素 
                // $password .= substr($chars, mt_rand(0, strlen($chars) - 1), 1); 
                $password .= $chars[ mt_rand(0, strlen($chars) - 1) ]; 
            } 
            return $password; 
        } 
        // 调用该函数 
        $userid = 'user'.generate_username(6); 
        $pwd = create_password(9);
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http://www.bkjia.com/phpjc/478526.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/478526.htmltecharticle//自动为用户随机生成用户名(长度6-13) function create_password($pw_length = 4){ $randpwd = ; for ($i = 0; $i $pw_length; $i++){ $randpwd .= chr(mt_rand(33, 126)); } re...