21,887
社区成员
发帖
与我相关
我的任务
分享
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<?php
require_once("conn_inc.php");
?>
<?php
if ($_POST['submit']) {
$user= $_POST['user'];
$pass= $_POST['pass'];
$select_nows="select * from `check` where name='$user' and password ='$pass' and type='1' ";
$query=mysql_query($select_nows);
$userInfo= @mysql_fetch_array($query);
if (!empty($userInfo)) {
if ($userInfo['name']== $user && $userInfo[password]== $pass) {
setcookie("us",$user,time()+3600);
setcookie("pa",$pass,time()+3600);
echo "<script>location.href='insert_login.php'</script>";
}
} else {
echo "<script>alert('用户名或者密码错误')</script>";
}
}
?>
<form action="" method="POST">
用户名:<input type="text" name="user" size="10">
密码:<input type="password" name="pass" size="10">
<input type="submit" name="submit" value="提交">
</form>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<?php
require_once("conn_inc.php");
?>
<?php
if ($_POST['submit']) {
$user= $_POST['user'];
$pass= $_POST['pass'];
$select_nows="select * from `check` where name='$user' and password ='$pass' and type='1' ";
$query=mysql_query($select_nows);
$userInfo= @mysql_fetch_array($query);
if (!empty($userInfo)) {
if ($userInfo['name']== $user && $userInfo[password]== $pass) {
/**这里修改下**/
//setcookie("us",$user,time()+3600);
//setcookie("pa",$pass,time()+3600);
//假设用户表有个uid的主键
setcookie('userinfo',$userinfo['uid'] . '\n' . md5($user) . '\n' . md5($pass),time() + 3600); //md5加密一次
echo "<script>location.href='insert_login.php'</script>";
}
} else {
echo "<script>alert('用户名或者密码错误')</script>";
}
}
?>
<form action="" method="POST">
用户名:<input type="text" name="user" size="10">
密码:<input type="password" name="pass" size="10">
<input type="submit" name="submit" value="提交">
</form>
<?php
if(empty(cookie('userinfo'))){
echo "未登录";
//未登录部分操作代码
}
list($uid,$username,$password) = explode('\n',cookie('userinfo')); //获取cookie中用户信息
require_once("conn_inc.php");
$select_nows="select * from `check` where uid = '{$uid}' and type='1' ";
$query=mysql_query($select_nows);
$userInfo= @mysql_fetch_array($query);
//判断数据库中是否有该用户
if(empty($userInfo)){
echo '错误的用户!未找到';
//后续操作
}
//如果有,判断用户名,密码 MD5加密后是否匹配
if(md5($userInfo['username']) != $username || md5($userInfo['password']) != $password){
echo '错误的用户信息';
//后续操作
}
echo '很好,你已经是登陆过了的了';
?>