[php]代码库
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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>
<body>
<!--登录业务逻辑-->
<?php
//获取前台用户提交数据
if(isset($_POST['submit'])){
$userName=$_POST['username'];
$passWord=$_POST['password'];
//连接数据库
$sql="SELECT * FROM username='$userName' and password='$passWord'";
$result=$dbcn->query($sql);
if($result->rowCount()==1){
echo'登录成功!';
//跳转到商品显示页面showgoods.php
header('location:showgoods.php');
}
else{
echo '请重新输入!';
}
}
?>
<!--用户登录的页面-->
<form id="form1" name="form1" method="post" action="">
<table width="500" border="1" align="center">
<tr>
<th colspan="2">用户登录</th>
</tr>
<tr>
<td>用户名:</td>
<td><label for="usename"></label>
<input type="text" name="username" id="username" /></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="text" name="password" id="password" /></td>
</tr>
<tr>
<td colspan="2" align="center"><label for="pwd">
<input type="submit" name="提交" id="提交" value="提交" />
</label></td>
</tr>
</table>
</form>
</body>
</html>