<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
</head>
<body>
<form id="form1" name="form1" method="get">
<p>
<label for="chungloai">Chủng loai sp:</label>
<select name="chungloai" id="chungloai" onChange="form1.submit();">
<?php
include("connect.php");
$sl="select * from webtm_chungloaisp";
$kq=mysqli_query($link,$sl);
$idCL=0;
while($d=mysqli_fetch_array($kq))
{
if($idCL==0)$idCL=$d['idCL']; //giữ lại idCL của option đầu tiên
?>
<option value="<?php echo $d['idCL'];?>" <?php if(isset($_GET['chungloai'])&&$_GET['chungloai']==$d['idCL']) echo "selected";?>><?php echo $d['TenCL'];?></option>
<?php }?>
</select>
</p>
<?php
if(isset($_GET['chungloai'])) $idCL=$_GET['chungloai']; //Gán lại giá trị cho $idCL khi người dùng chọn chủng loại khác (submit form)
$slloai="select * from webtm_loaisp where idCL=$idCL";
$kqloai=mysqli_query($link,$slloai);
?>
<p>
<label for="loaisp">Loại sp::</label>
<select name="loaisp" id="loaisp" onChange="form1.submit()">
<?php
while($dloai=mysqli_fetch_array($kqloai))
{
?>
<option value="<?php echo $dloai['idLoai'];?>"><?php echo $dloai['TenLoai'];?></option>
<?php }?>
</select>
</p>
</form>
<?php
if(isset($_GET['loaisp']))
{
$idLoai=$_GET['loaisp'];
$slsp="select TenSP, UrlHinh, Gia from webtm_sanpham where idLoai=$idLoai";
$kqsp=mysqli_query($link,$slsp);
?>
<table width="500" border="1" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<th scope="col">STT</th>
<th scope="col">Tên Sản Phẩm</th>
<th scope="col">Hình</th>
<th scope="col">Giá</th>
</tr>
<?php
$stt=1;
while($dsp=mysqli_fetch_array($kqsp)){
?>
<tr>
<td><?php echo $stt++;?></td>
<td><?php echo $dsp['TenSP'];?></td>
<td><img src="<?php echo $dsp['UrlHinh'];?>" width="100" alt=""/></td>
<td><?php echo $dsp['Gia'];?></td>
</tr>
<?php }?>
</tbody>
</table>
<?php }?>
<p> </p>
</body>
</html>
0 comments:
Post a Comment