看了半天 这不是和《十天学会php》是相同的例子嘛! MD 这不是戏弄姐姐吗
login.php
login.php
1<table width="100%" height="100%" border="0" align="center" cellpadding="0" cellspacing="0">
2<tr>
3<form action="checklogin.php" method="post"><td align="center" valign="middle"><table width="400" border="0" cellpadding="5" cellspacing="1" class="tablebg">
4<tr class="tdbg">
5<td colspan="2"><div align="center">Administrators Login</div></td>
6</tr>
7<tr class="tdbg">
8<td><div align="center">Username</div></td>
9<td><div align="center">
10<input name="username" type="text" id="username">
11</div></td>
12</tr>
13<tr class="tdbg">
14<td><div align="center">Password</div></td>
15<td><div align="center">
16<input name="password" type="password" id="password">
17</div></td>
18</tr>
19<tr class="tdbg">
20<td colspan="2"><div align="center">
21<input type="submit" name="Submit" value="Submit">
22<input type="reset" name="Submit2" value="Clear">
23</div></td>
24</tr>
25</table></td></form>
26</tr>
27</table>
1<table width="100%" height="100%" border="0" align="center" cellpadding="0" cellspacing="0">
2<tr>
3<form action="checklogin.php" method="post"><td align="center" valign="middle"><table width="400" border="0" cellpadding="5" cellspacing="1" class="tablebg">
4<tr class="tdbg">
5<td colspan="2"><div align="center">Administrators Login</div></td>
6</tr>
7<tr class="tdbg">
8<td><div align="center">Username</div></td>
9<td><div align="center">
10<input name="username" type="text" id="username">
11</div></td>
12</tr>
13<tr class="tdbg">
14<td><div align="center">Password</div></td>
15<td><div align="center">
16<input name="password" type="password" id="password">
17</div></td>
18</tr>
19<tr class="tdbg">
20<td colspan="2"><div align="center">
21<input type="submit" name="Submit" value="Submit">
22<input type="reset" name="Submit2" value="Clear">
23</div></td>
24</tr>
25</table></td></form>
26</tr>
27</table>
checklogin.php
checklogin.php
<?
require_once('conn.php');
session_start();
$username=$_POST['username'];
$password=$_POST['password'];
$exec="select * from admin where username='".$username."'";
if($result=mysql_query($exec))
{
if($rs=mysql_fetch_object($result))
{
if($rs->password==$password)
{
$_SESSION['adminname']=$username;
header("location:index.php");
}
else
{
echo "<script>alert('Password Check Error!');location.href='login.php';</script>";
}
}
else
{
echo "<script>alert('Username Check Error!');location.href='login.php';</script>";
}
}
else
{
echo "<script>alert('Database Connection Error!');location.href='login.php';</script>";
}
?>
总感觉这里面有个东西要改,但是不知道是什么地方要改!
conn.php
1<?
2$conn=mysql_connect ("127.0.0.1", "root", "zdndd");
3mysql_select_db("shop");
4?>
1<?
2$conn=mysql_connect ("127.0.0.1", "root", "zdndd");
3mysql_select_db("shop");
4?>
这里的第二行本来是$conn=mysql_connect ("127.0.0.1", "", ""); 但是我在本地有个shop的数据库;我就把用户名和密码都改成和我的phpMyAdmin的一样了 结果还是一样的令人崩溃!