WEB

session_start();  //启动会话

$_SESSION['user']=$user;  //将用户名存入$_SESSION['user'],这是关键

setcookie("user","",time()-60); //将会话Cookie变量user设置为过期,即删除Cookie
session_unset();  //删除$_SESSION中的Session变量
session_destroy();  //销毁Session,删除Session ID

 

 

 

 

 共有 mysql_num_rows($result) 条记录

$row=mysql_fetch_assoc($result);

 

$conn=mysql_connect("localhost","root","");

 

    mysql_select_db("test",$conn);

 

 

$result=mysql_query($sql,$conn);

 

$result=mysql_query("Select * from lyb",$conn);

    mysql_query("set names 'uft8'");

    mysql_query( $sql) or die('执行失败');

    mysql_query($sql) && mysql_affected_rows()==1

 

location.href='index.php'

header("Location:index.php");

 

$sql=implode(',',$selectid);  //将各个数组元素用“,”号连接起来

 

 

 

 

    

 

 

 

 

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原文地址:https://www.cnblogs.com/WatchProtector/p/11809796.html