if (mysqli_connect_errno()) { $errmsg = "数据库连接失败!\n"; } else {
$sql = "SELECT * FROM user WHERE username='$username' AND pwd='$paw'"; $result = mysql_query($sql); if ($result && mysql_num_rows($result) > 0 && $post==$_SESSION[check_pic]) { echo "<script>alert('登陆成功');window.location.href='../admin/index.php'</script>";
<?php session_start();?><?php
include("conn.php");
$username = trim($_POST['username']);
$paw = md5(trim($_POST['paw']));
$post=$_POST['check'];
$errmsg = '';
if (!empty($username)) {
if (empty($username)) {
$errmsg = '数据输入不完整';
}
if(empty($errmsg)) {
if (mysqli_connect_errno()) {
$errmsg = "数据库连接失败!\n";
}
else {
$sql = "SELECT * FROM user WHERE username='$username' AND pwd='$paw'";
$result = mysql_query($sql);
if ($result && mysql_num_rows($result) > 0 && $post==$_SESSION[check_pic]) {
echo "<script>alert('登陆成功');window.location.href='../admin/index.php'</script>";
}else {
echo "<script>alert('用户名或者密码和验证码不正确');window.location.href='login1.php'</script>";
}
mysql_free_result($result);
mysql_close($db);
}
}
}?>登陆代码
include("conn.php");
$username = trim($_POST['username']);
$paw = md5(trim($_POST['paw']));
$post=$_POST['check'];
$errmsg = '';
if (!empty($username)) {
if (empty($username)) {
$errmsg = '数据输入不完整';
}
if(empty($errmsg)) {
if (mysqli_connect_errno()) {
$errmsg = "数据库连接失败!\n";
}
else {
$sql = "SELECT * FROM user WHERE username='$username' AND pwd='$paw'";
$result = mysql_query($sql);
if ($result && mysql_num_rows($result) > 0 && $post==$_SESSION[check_pic]) {
echo "<script>alert('登陆成功');window.location.href='../admin/index.php'</script>";
$_SESSION['login'] = $user;
}else {
echo "<script>alert('用户名或者密码和验证码不正确');window.location.href='login1.php'</script>";
}
mysql_free_result($result);
mysql_close($db);
}
}
}
?>这样对吗?
这样写好像不对呀
session_start();
?>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<?php if (empty($_SESSION['login'])) {
echo "<script>alert('你没有访问权限,请先登录!');window.location.href='../login/login1.php'</script>";
exit;
}
else{
echo "<script>alert('欢迎光临!');window.location.href='index.php'</script>";
}
?>因为这个欢迎光临之后又重定向到index.php了。。
<?php
session_start();
?>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<?php if (empty($_SESSION['login'])) {
echo "<script>alert('你没有访问权限,请先登录!');window.location.href='../login/login1.php'</script>";
exit;
}
else{
echo "<script>alert('欢迎光临!');window.location.href='../admin/index.php'</script>";
}
?>我已经改为这样了 还是不行呀
<?php include("../login/qx.php") ;?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<frameset rows="56,*" cols="*" frameborder="no" border="2" framespacing="2">
<frame src="top.php" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" title="top" />
<frameset rows="*" cols="186,*" framespacing="0" frameborder="no" border="0">
<frame src="lift.html" name="leftFrame" scrolling="No" noresize="noresize" id="leftFrame" title="left" />
<frame src="mian.html" name="mainFrame" id="mainFrame" title="main" />
</frameset>
</frameset>
<noframes><body>
</body></noframes>
</html>17楼的前辈 是这样的 不知道为什么 我真的没有办法了
#20 又是哪个文件。 其实,我已经看晕了。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<frameset rows="56,*" cols="*" frameborder="no" border="2" framespacing="2">
<frame src="top.php" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" title="top" />
<frameset rows="*" cols="186,*" framespacing="0" frameborder="no" border="0">
<frame src="lift.html" name="leftFrame" scrolling="No" noresize="noresize" id="leftFrame" title="left" />
<frame src="mian.html" name="mainFrame" id="mainFrame" title="main" />
</frameset>
</frameset>
<noframes><body>
</body></noframes>
</html>
是这个哥
session_start();
?>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<?php if (empty($_SESSION['login'])) {
echo "<script>alert('你没有访问权限,请先登录!');window.location.href='../login/login1.php'</script>";
exit;
}
else{
echo "<script>alert('欢迎光临!');window.location.href='../admin/index.php'</script>"; //登陆成功后进入该分支。而你又让它跳转到原页面。所以重复进入该分支。一直在跳转。还不明白?
//解决办法就是:不要在/admin/index.php包含qx.php。
}