摘要:
<?phpsession_start(); //开启SESSION?> <?php //会话保持 //1.session//特点://(1)有默认过期时间,大约15分钟//(2)存储在服务器的,每个人存一份//(3)可以存储任意类型数据//用法://使用session的页面最上端需要加session 阅读全文
摘要:
<?phpclass DBDA{ public $host="localhost"; public $uid = "root"; public $pwd = "123"; public $dbname = "mydb"; //成员方法 public function Query($sql,$type 阅读全文
摘要:
<?php //1.造连接对象$db = new MySQLi("localhost","root","123","mydb"); //2.判断连接是否出错if(mysqli_connect_error()){ die("连接失败!");} //3.准备SQL语句$sql = "select nam 阅读全文