我有一个搜索页面 tat 允许用户使用按省、区或村搜索来搜索
如果用户按省选择浏览器显示正确答案
但是如果用户选择省和地区，系统会改变它显示相同的结果
省
- 省ID
- 省名区
- 区号
- 区名
- 省ID
村庄
- ID
- 村名
- 区号
成员 user_id
- 省ID
- 区号
- 村庄编号
我希望当用户选择一种类型或所有系统时必须显示与选择相关的用户列表而不是所有用户
代码：
$errorMSG = "";
$outputlist = "";
//**********search by locationn***************************************//
if(isset($_POST['listbyq']))
{
//********************by governorate**************************************//
if($_POST['listbyq']=="by_gov")
{
$bygov = $_POST['governorate'];
@ $bydist = $_POST['district'];
@ $byvillage = $_POST['village'];
echo $bygov;
echo $bydist;
echo $byvillage;
$sql = mysql_query("SELECT user_id,first_name, last_name, birth_date, registered_date,
s.specialization_name,
g.governorate_name,
d.district_name,
v.village_name
FROM members u
INNER JOIN specialization s
ON u.specialization = s.specialization_id
INNER JOIN governorate g
ON u.governorate = g.governorate_id
INNER JOIN districts d
ON u.district = d.district_id
INNER JOIN village v
ON u.village = v.id
where ($bygov = '' or governorate = '$bygov') and
($bydist = '' or district = '$bydist') and
($byvillage = '' or village = '$byvillage')")
or die(mysql_error());
$num_row = mysql_num_rows($sql);
if($num_row > 0 )
{
while($row = mysql_fetch_array($sql))
{
$row_id = $row['user_id'];
$row_first_name = $row['first_name'];
$row_last_name = $row['last_name'];
$row_birthdate = $row['birth_date'];
$row_registered_date = $row['registered_date'];
$row_spec = $row['specialization_name'];
$row_gov = $row['governorate_name'];
$row_dist = $row['district_name'];
$row_village = $row['village_name'];
////***********for the upload image*************************//
$check_pic="members/$row_id/image01.jpg";
$default_pic="members/0/image01.jpg";
if(file_exists($check_pic))
{
$user_pic="<img src=\"$check_pic\"width=\"120px\"/>";
}
else
{
$user_pic="<img src=\"$default_pic\"width=\"120px\"/>";
}
$outputlist.='
<table width="100%">
<tr>
<td width="23%" rowspan="5"><div style="height:120px;overflow:hidden;"><a href = "http://localhost/newadamKhoury/profile.php?user_id='.$row_id.'" target="_blank">'.$user_pic.'</a></div></td>
<td width="14%"><div align="right">Name:</div></td>
<td width="63%"><a href = "http://localhost/newadamKhoury/profile.php?user_id='.$row_id.'" target="_blank">'.$row_first_name.' '.$row_last_name.'</a></td>
</tr>
<tr>
<td><div align="right">Birth date:</div></td>
<td>'.$row_birthdate.'</td>
</tr>
<tr>
<td><div align="right">Registered:</div></td>
<td>'.$row_registered_date.'</td>
</tr>
<tr>
<td><div align="right">Job:</div></td>
<td>'.$row_spec.'</td>
</tr>
<tr>
<td><div align="right">Location:</div></td>
<td>'.$row_gov.'__'.$row_dist.'__'.$row_village.'</td>
</tr>
</table>
<hr />
';
}
}
}
else
{
$errorMSG = "No member within this selected governorate";
}
}