我在执行搜索功能不起作用之前有serach功能哪个词，任何人都可以告诉我哪里错了以及如何搜索工作
带有分页的PHP代码
<?php
$tbl_name="contact"; //your table name
$adjacents = 7;
$query = "SELECT COUNT(*) as num FROM $tbl_name";
$total_pages = mysql_fetch_array(mysql_query($query));
$total_pages = $total_pages['num'];
$targetpage = "filterdata.php"; //your file name (the name of this file)
$limit = 10;
//how many items to show per page
$page = $_GET['page'];
if($page)
$start = ($page - 1) * $limit; //first item to display on this page
else
$start = 0; //if no page var is given, set start to 0
/* Get data. */
$sql = "SELECT DISTINCT contact.`id` , contact.`contactgroup` , contact.`media` ,contact.`media2` , contact.`email1` , contact.`nationality` , contact.`country3` , contact.`twon` , contact.`area` , contact.`gender` , contact.`married` , contact.`children` , contact.`driverslicense` FROM $tbl_name LIMIT $start, $limit";
print $sql;
$result1 = mysql_query($sql);
if ($language !="" && $language !="Empty" ){
$language_exp = explode(',', $language);
$sql .= " INNER JOIN contactlanguage ON contact.id = contactlanguage.contactid
INNER JOIN language ON contactlanguage.languageid = language.id where isdeleted = 0 AND language.language in ('".implode("', '", $language_exp)."') ";
}else{
$sql .= " where isdeleted = 0";
}
if ($contactgroup !="" && $contactgroup !="Empty" ){
$contactgroup_exp = explode(',', $contactgroup);
$sql .= " AND contactgroup in ('".implode("', '", $contactgroup_exp)."')";
}
if ($media !="" && $media !="Empty" && $media == "sms" ){
$sql.=" and media = '".$media."'";
}
if ($media !="" && $media !="Empty" && $media == "email" ){
$sql.=" and media2 = '".$media."'";
}
if ($media !="" && $media !="Empty" && $media == "sms,email" ){
$sql.=" and media = 'sms' and media2 = 'email' ";
}
if ($nationality !="" && $nationality !="Empty" ){
$nationality_exp = explode(',', $nationality);
$sql .= " AND nationality in ('".implode("', '", $nationality_exp)."')";
}
if ($country !="" && $country !="Empty" ){
$country_exp = explode(',', $country);
$sql .= " AND country1 in ('".implode("', '", $country_exp)."')";
}
if ($twon !="" && $twon !="Empty" ){
$city_exp = explode(',', $twon);
$sql .= " AND twon in ('".implode("', '", $city_exp)."')";
}
if ($area !="" && $area !="Empty" ){
$area_exp = explode(',', $area);
$sql .= " AND area in ('".implode("', '", $area_exp)."')";
}
if ($gender !="" && $gender !="Empty" && $gender !="all" ){
$sql.=" and gender = '".$gender."'";
}
if ($gender =="all" ){
$sql.=" AND (`gender` = 'female' OR `gender` = 'male' OR `gender` = '') ";
}
if ($married !="" && $married !="Empty" && $married !="all" ){
$sql.=" and married = '".$married."'";
}
if ($married =="all" ){
$sql.=" AND (`married` = 'yes' OR `married` = 'no' OR `married` = '') ";
}
if ($children !="" && $children !="Empty" && $children !="all" ){
$sql.=" and children = '".$children."'";
}
if ($children =="all" ){
$sql.=" AND (`children` = 'yes' OR `children` = 'no' OR `children` = '') ";
}
if ($driver !="" && $driver !="Empty" && $driver !="all" ){
$sql.=" and driverslicense = '".$driver."'";
}
if ($driver =="all" ){
$sql.=" AND (`driverslicense` = 'yes' OR `driverslicense` = 'no' OR `driverslicense` = '') ";
}
if ($retype !="" && $retype !="Empty" && $retype !="all" ){
$sql.=" and retype = '".$retype."'";
}
if ($retype =="all" ){
$sql.=" AND (`retype` = 'apart' OR `retype` = 'house' OR `retype` = '') ";
}
if ($restatus !="" && $restatus !="Empty" && $restatus !="all" ){
$sql.=" and restatus = '".$restatus."'";
}
if ($restatus =="all" ){
$sql.=" AND (`restatus` = 'owner' OR `restatus` = 'renting' OR `restatus` = '') ";
}
if ($reproject !="" && $reproject !="Empty" ){
$reproject_exp = explode(',', $reproject);
$sql .= " AND reproject1 in ('".implode("', '", $reproject_exp)."')";
}
if ($education !="" && $education !="Empty" ){
$education_exp = explode(',', $education);
$sql .= " AND education in ('".implode("', '", $education_exp)."')";
}
if ($jobrole !="" && $jobrole !="Empty" ){
$jobrole_exp = explode(',', $jobrole);
$sql .= " AND jobrole in ('".implode("', '", $jobrole_exp)."')";
}
if ($jobsector !="" && $jobsector !="Empty" ){
$jobsector_exp = explode(',', $jobsector);
$sql .= " AND jobsector in ('".implode("', '", $jobsector_exp)."')";
}
if ($dataperiod !="" && $dataperiod !="EmptyEmptyEmpty" && $arraydataperiodcount !="EmptyEmpty" && $arraydataperiodcount !="" && $dataperiod !="EmptyEmpty"){
$sql.=" and dataperiod BETWEEN $arraydataperiodcount[0] AND $arraydataperiodcount[1] ";
}
if ($age !="" && $age !="Empty" ){
$sql.=" and age BETWEEN $agebetween[0] AND $agebetween[1] ";
}
/* Setup page vars for display. */
if ($page == 0) $page = 1; //if no page var is given, default to 1.
$prev = $page - 1; //previous page is page - 1
$next = $page + 1; //next page is page + 1
$lastpage = ceil($total_pages/$limit); //lastpage is = total pages / items per page, rounded up.
//print $lastpage;
$lpm1 = $lastpage - 1; //last page minus 1
/*
Now we apply our rules and draw the pagination object.
We're actually saving the code to a variable in case we want to draw it more than once.
*/
$pagination = "";
if($lastpage > 1)
{
$pagination .= "<div class=\"pagination\">";
//previous button
if ($page > 1)
$pagination.= "<a href=\"$targetpage?page=$prev\"> previous</a>";
else
$pagination.= "<span class=\"disabled\"> previous</span>";
//pages
if ($lastpage < 7 + ($adjacents * 2)) //not enough pages to bother breaking it up
{
for ($counter = 1; $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";
}
}
elseif($lastpage > 5 + ($adjacents * 2)) //enough pages to hide some
{
//close to beginning; only hide later pages
if($page < 1 + ($adjacents * 2))
{
for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";
}
$pagination.= "...";
$pagination.= "<a href=\"$targetpage?page=$lpm1\">$lpm1</a>";
$pagination.= "<a href=\"$targetpage?page=$lastpage\">$lastpage</a>";
}
//in middle; hide some front and some back
elseif($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2))
{
$pagination.= "<a href=\"$targetpage?page=1\">1</a>";
$pagination.= "<a href=\"$targetpage?page=2\">2</a>";
$pagination.= "...";
for ($counter = $page - $adjacents; $counter <= $page + $adjacents; $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";
}
$pagination.= "...";
$pagination.= "<a href=\"$targetpage?page=$lpm1\">$lpm1</a>";
$pagination.= "<a href=\"$targetpage?page=$lastpage\">$lastpage</a>";
}
//close to end; only hide early pages
else
{
$pagination.= "<a href=\"$targetpage?page=1\">1</a>";
$pagination.= "<a href=\"$targetpage?page=2\">2</a>";
$pagination.= "...";
for ($counter = $lastpage - (2 + ($adjacents * 2)); $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";
}
}
}
//next button
if ($page < $counter - 1)
$pagination.= "<a href=\"$targetpage?page=$next\">next </a>";
else
$pagination.= "<span class=\"disabled\">next </span>";
$pagination.= "</div>\n";
}
//echo $sql;
//print $sql;
while($rows=mysql_fetch_assoc($result1))
{
echo '<tr>';
echo '
<td class="edit contactgroup '.$rows["id"].'" >'.$rows["contactgroup"].'</td>';
if($media == "sms"){
echo' <td class="edit media '.$rows["id"].'" >'.$rows["media"].'</td>';
}
else if($media == "email"){
echo' <td class="edit media '.$rows["id"].'" >'.$rows["media2"].'</td>';
}else{
echo' <td class="edit media '.$rows["id"].'" >'.$rows["media"].'</td>';
}
echo ' <td class="edit email '.$rows["id"].'">'.$rows["email1"].'</td>
<td class="edit nationality '.$rows["id"].'">'.$rows["nationality"].'</td>
<td class="edit country '.$rows["id"].'">'.$rows["country3"].'</td>
<td class="edit twon '.$rows["id"].'">'.$rows["twon"].'</td>
<td class="edit area '.$rows["id"].'">'.$rows["area"].'</td>
<td class="edit gender '.$rows["id"].'">'.$rows["gender"].'</td>
<td class="edit married '.$rows["id"].'">'.$rows["married"].'</td>
<td class="edit children '.$rows["id"].'">'.$rows["children"].'</td>
<td class="edit driverlicense '.$rows["id"].'">'.$rows["driverslicense"].'</td>
</tr>';
}
?>
<?php echo $pagination; ?>
我的搜索HTML代码
<div class="controls" style=" margin:10px -45px 10px 1px">
<button type="submit" style="margin:0px" class="filtercontact">Search</button>
</div>
答案 0 :(得分：1)
快速尝试更改代码（未经测试）。重新格式化了一下。
这是初始化sql，然后添加WHERE子句（可能还有连接），然后在执行之前添加limit子句
<?php
$tbl_name="contact"; //your table name
$adjacents = 7;
$query = "SELECT COUNT(*) as num FROM $tbl_name";
$total_pages = mysql_fetch_array(mysql_query($query));
$total_pages = $total_pages['num'];
$targetpage = "filterdata.php"; //your file name (the name of this file)
$limit = 10;
//how many items to show per page
$page = $_GET['page'];
if($page)
$start = ($page - 1) * $limit; //first item to display on this page
else
$start = 0; //if no page var is given, set start to 0
/* Get data. */
$sql = "SELECT DISTINCT contact.`id` , contact.`contactgroup` , contact.`media` ,contact.`media2` , contact.`email1` , contact.`nationality` , contact.`country3` , contact.`twon` , contact.`area` , contact.`gender` , contact.`married` , contact.`children` , contact.`driverslicense`
FROM $tbl_name ";
if ($language !="" && $language !="Empty" )
{
$language_exp = explode(',', $language);
$sql .= " INNER JOIN contactlanguage ON contact.id = contactlanguage.contactid
INNER JOIN language ON contactlanguage.languageid = language.id where isdeleted = 0 AND language.language in ('".implode("', '", $language_exp)."') ";
}
else
{
$sql .= " where isdeleted = 0";
}
if ($contactgroup !="" && $contactgroup !="Empty" )
{
$contactgroup_exp = explode(',', $contactgroup);
$sql .= " AND contactgroup in ('".implode("', '", $contactgroup_exp)."')";
}
if ($media !="" && $media !="Empty" && $media == "sms" )
{
$sql.=" and media = '".$media."'";
}
if ($media !="" && $media !="Empty" && $media == "email" )
{
$sql.=" and media2 = '".$media."'";
}
if ($media !="" && $media !="Empty" && $media == "sms,email" )
{
$sql.=" and media = 'sms' and media2 = 'email' ";
}
if ($nationality !="" && $nationality !="Empty" )
{
$nationality_exp = explode(',', $nationality);
$sql .= " AND nationality in ('".implode("', '", $nationality_exp)."')";
}
if ($country !="" && $country !="Empty" )
{
$country_exp = explode(',', $country);
$sql .= " AND country1 in ('".implode("', '", $country_exp)."')";
}
if ($twon !="" && $twon !="Empty" )
{
$city_exp = explode(',', $twon);
$sql .= " AND twon in ('".implode("', '", $city_exp)."')";
}
if ($area !="" && $area !="Empty" )
{
$area_exp = explode(',', $area);
$sql .= " AND area in ('".implode("', '", $area_exp)."')";
}
if ($gender !="" && $gender !="Empty" && $gender !="all" )
{
$sql.=" and gender = '".$gender."'";
}
if ($gender =="all" )
{
$sql.=" AND (`gender` = 'female' OR `gender` = 'male' OR `gender` = '') ";
}
if ($married !="" && $married !="Empty" && $married !="all" )
{
$sql.=" and married = '".$married."'";
}
if ($married =="all" )
{
$sql.=" AND (`married` = 'yes' OR `married` = 'no' OR `married` = '') ";
}
if ($children !="" && $children !="Empty" && $children !="all" )
{
$sql.=" and children = '".$children."'";
}
if ($children =="all" )
{
$sql.=" AND (`children` = 'yes' OR `children` = 'no' OR `children` = '') ";
}
if ($driver !="" && $driver !="Empty" && $driver !="all" )
{
$sql.=" and driverslicense = '".$driver."'";
}
if ($driver =="all" )
{
$sql.=" AND (`driverslicense` = 'yes' OR `driverslicense` = 'no' OR `driverslicense` = '') ";
}
if ($retype !="" && $retype !="Empty" && $retype !="all" )
{
$sql.=" and retype = '".$retype."'";
}
if ($retype =="all" )
{
$sql.=" AND (`retype` = 'apart' OR `retype` = 'house' OR `retype` = '') ";
}
if ($restatus !="" && $restatus !="Empty" && $restatus !="all" )
{
$sql.=" and restatus = '".$restatus."'";
}
if ($restatus =="all" )
{
$sql.=" AND (`restatus` = 'owner' OR `restatus` = 'renting' OR `restatus` = '') ";
}
if ($reproject !="" && $reproject !="Empty" )
{
$reproject_exp = explode(',', $reproject);
$sql .= " AND reproject1 in ('".implode("', '", $reproject_exp)."')";
}
if ($education !="" && $education !="Empty" )
{
$education_exp = explode(',', $education);
$sql .= " AND education in ('".implode("', '", $education_exp)."')";
}
if ($jobrole !="" && $jobrole !="Empty" )
{
$jobrole_exp = explode(',', $jobrole);
$sql .= " AND jobrole in ('".implode("', '", $jobrole_exp)."')";
}
if ($jobsector !="" && $jobsector !="Empty" )
{
$jobsector_exp = explode(',', $jobsector);
$sql .= " AND jobsector in ('".implode("', '", $jobsector_exp)."')";
}
if ($dataperiod !="" && $dataperiod !="EmptyEmptyEmpty" && $arraydataperiodcount !="EmptyEmpty" && $arraydataperiodcount !="" && $dataperiod !="EmptyEmpty")
{
$sql.=" and dataperiod BETWEEN $arraydataperiodcount[0] AND $arraydataperiodcount[1] ";
}
if ($age !="" && $age !="Empty" )
{
$sql.=" and age BETWEEN $agebetween[0] AND $agebetween[1] ";
}
$sql.="LIMIT $start, $limit";
print $sql;
$result1 = mysql_query($sql);
/* Setup page vars for display. */
if ($page == 0) $page = 1; //if no page var is given, default to 1.
$prev = $page - 1; //previous page is page - 1
$next = $page + 1; //next page is page + 1
$lastpage = ceil($total_pages/$limit); //lastpage is = total pages / items per page, rounded up.
//print $lastpage;
$lpm1 = $lastpage - 1; //last page minus 1
/*
Now we apply our rules and draw the pagination object.
We're actually saving the code to a variable in case we want to draw it more than once.
*/
$pagination = "";
if($lastpage > 1)
{
$pagination .= "<div class=\"pagination\">";
//previous button
if ($page > 1)
$pagination.= "<a href=\"$targetpage?page=$prev\"> previous</a>";
else
$pagination.= "<span class=\"disabled\"> previous</span>";
//pages
if ($lastpage < 7 + ($adjacents * 2)) //not enough pages to bother breaking it up
{
for ($counter = 1; $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";
}
}
elseif($lastpage > 5 + ($adjacents * 2)) //enough pages to hide some
{
//close to beginning; only hide later pages
if($page < 1 + ($adjacents * 2))
{
for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";
}
$pagination.= "...";
$pagination.= "<a href=\"$targetpage?page=$lpm1\">$lpm1</a>";
$pagination.= "<a href=\"$targetpage?page=$lastpage\">$lastpage</a>";
}
//in middle; hide some front and some back
elseif($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2))
{
$pagination.= "<a href=\"$targetpage?page=1\">1</a>";
$pagination.= "<a href=\"$targetpage?page=2\">2</a>";
$pagination.= "...";
for ($counter = $page - $adjacents; $counter <= $page + $adjacents; $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";
}
$pagination.= "...";
$pagination.= "<a href=\"$targetpage?page=$lpm1\">$lpm1</a>";
$pagination.= "<a href=\"$targetpage?page=$lastpage\">$lastpage</a>";
}
//close to end; only hide early pages
else
{
$pagination.= "<a href=\"$targetpage?page=1\">1</a>";
$pagination.= "<a href=\"$targetpage?page=2\">2</a>";
$pagination.= "...";
for ($counter = $lastpage - (2 + ($adjacents * 2)); $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";
}
}
}
//next button
if ($page < $counter - 1)
$pagination.= "<a href=\"$targetpage?page=$next\">next </a>";
else
$pagination.= "<span class=\"disabled\">next </span>";
$pagination.= "</div>\n";
}
//echo $sql;
//print $sql;
while($rows=mysql_fetch_assoc($result1))
{
echo '<tr>';
echo ' <td class="edit contactgroup '.$rows["id"].'" >'.$rows["contactgroup"].'</td>';
if($media == "sms")
{
echo' <td class="edit media '.$rows["id"].'" >'.$rows["media"].'</td>';
}
else if($media == "email")
{
echo' <td class="edit media '.$rows["id"].'" >'.$rows["media2"].'</td>';
}
else
{
echo' <td class="edit media '.$rows["id"].'" >'.$rows["media"].'</td>';
}
echo ' <td class="edit email '.$rows["id"].'">'.$rows["email1"].'</td>
<td class="edit nationality '.$rows["id"].'">'.$rows["nationality"].'</td>
<td class="edit country '.$rows["id"].'">'.$rows["country3"].'</td>
<td class="edit twon '.$rows["id"].'">'.$rows["twon"].'</td>
<td class="edit area '.$rows["id"].'">'.$rows["area"].'</td>
<td class="edit gender '.$rows["id"].'">'.$rows["gender"].'</td>
<td class="edit married '.$rows["id"].'">'.$rows["married"].'</td>
<td class="edit children '.$rows["id"].'">'.$rows["children"].'</td>
<td class="edit driverlicense '.$rows["id"].'">'.$rows["driverslicense"].'</td>
</tr>';
}
?>
<?php echo $pagination; ?>