我有一个搜索表单,我想进行分页,到目前为止,我成功地进行了搜索和分页,但我发现当我使用分页在搜索中按下下一个按钮或第二页时,它没有获取数据从搜索查询我该如何解决
'if(isset($_POST['butendn']) )
{
if ($_REQUEST["Category"]<>'') {
$search_Category = " AND Category='".mysql_real_escape_string($_REQUEST["Category"])."'";
}
if ($_REQUEST["ProductCode"]<>'') {
$search_ProductCode = " AND ProductCode='".mysql_real_escape_string($_REQUEST["ProductCode"])."'";
}
if ($_REQUEST["OutletName"]<>'') {
$search_OutletName = " AND OutletName='".mysql_real_escape_string($_REQUEST["OutletName"])."'";
}
$targetpage = "pmb.php";
$limit = 10;
$query = "SELECT COUNT(ECRNo) as num FROM ".$SETTINGS['data_table']."";
$total_pages = mysql_fetch_array(mysql_query($query));
$total_pages = $total_pages[num];
$stages = 3;
$page = mysql_escape_string($_GET['page']);
if($page){
$start = ($page - 1) * $limit;
}else{
$start = 0;
}
$search_groupby = "Group by CategoryID,OracleCategory,ProductCode,SalesDate ORDER BY CategoryID,OracleCategory,ProductCode LIMIT $start, $limit ";
if ($_REQUEST["startfrom"]<>'' and $_REQUEST["end"]<>'') {
$sql = "SELECT ECRNo,SalesDate,TimeSold,AmountDue,OutletName,ProductCode,Category,MealType,SUM(Quantity) AS Quantity1,ROUND(SUM(NetPrice)) AS NetPrice1 FROM ".$SETTINGS["data_table"]." WHERE SalesDate BETWEEN '".mysql_real_escape_string($_REQUEST["startfrom"])."'And'".mysql_real_escape_string($_REQUEST["end"])."'".$search_OutletName.$search_Category.$search_ProductCode.$search_groupby ;
} else if ($_REQUEST["startfrom"]<>'') {
$sql = "SELECT ECRNo,SalesDate,TimeSold,AmountDue,SalesDate,OutletName,ProductCode,Category,MealType,SUM(Quantity) AS Quantity1,ROUND(SUM(NetPrice)) AS NetPrice1 FROM ".$SETTINGS["data_table"]." WHERE SalesDate >= '".mysql_real_escape_string($_REQUEST["startfrom"])."'".$search_OutletName.$search_Category.$search_ProductCode.$search_groupby ;
} else if ($_REQUEST["end"]<>'') {
$sql = "SELECT ECRNo,SalesDate,TimeSold,SalesDate,AmountDue,OutletName,ProductCode,Category,MealType,SUM(Quantity) AS Quantity1,ROUND(SUM(NetPrice)) AS NetPrice1 FROM ".$SETTINGS["data_table"]." WHERE SalesDate <= '".mysql_real_escape_string($_REQUEST["end"])."'".$search_OutletName.$search_Category.$search_ProductCode.$search_groupby ;
}else {
$sql = "SELECT ECRNo,SalesDate,TimeSold,SalesDate,AmountDue,OutletName,ProductCode,Category,MealType,SUM(Quantity) AS Quantity1,ROUND(SUM(NetPrice)) AS NetPrice1 FROM ".$SETTINGS["data_table"]." WHERE ECRNo>0 ".$search_OutletName.$search_Category.$search_ProductCode.$search_groupby ;
}
$sql_result = mysql_query ($sql, $connection ) or die ('request "Could not execute SQL query" '.$sql);
if (mysql_num_rows($sql_result)>0) {
while ($row = mysql_fetch_array($sql_result))
{
?>
<tr>
<td class="input-sm"><?php echo ($row["ProductCode"]); ?></td>
<td class="input-sm"><?php echo ($row["Quantity1"]); ?></td>
<td class="input-sm"><?php echo ($row["NetPrice1"]); ?></td>
<td class="input-sm"><?php echo ($row['SalesDate']);?></td>
<td class="input-sm"><?php echo ($row["Category"]); ?></td>
</tr>
<?php
}
}
else
{
?>
<tr>
<td colspan="9">No results found.</td>
</tr>
<?php
}
}
?>
那是我的搜索代码,这里是分页代码
if ($page == 0){$page = 1;}
$prev = $page - 1;
$next = $page + 1;
$lastpage = ceil($total_pages/$limit);
$LastPagem1 = $lastpage - 1;
$paginate = '';
if($lastpage > 1)
{
$paginate .= "<ul class='pagination'>";
if ($page > 1){
$paginate.= "<li><a href='$targetpage?page=$prev'>← prev</a></li>";
}else{
$paginate.= "<li><span class='disabled'>← prev</span></li>"; }
if ($lastpage < 7 + ($stages * 2))
{
for ($counter = 1; $counter <= $lastpage; $counter++)
{
if ($counter == $page){
$paginate.= "<li><span class='active'>$counter</span></li>";
}else{
$paginate.= "<li><a href='$targetpage?page=$counter'>$counter</a></li>";}
}
}
elseif($lastpage > 5 + ($stages * 2)) // Enough pages to hide a few?
{
// Beginning only hide later pages
if($page < 1 + ($stages * 2))
{
for ($counter = 1; $counter < 4 + ($stages * 2); $counter++)
{
if ($counter == $page){
$paginate.= "<li><span class='active'>$counter</span></li>";
}else{
$paginate.= "<li><a href='$targetpage?page=$counter'>$counter</a></li>";}
}
$paginate.= "<li><a href='#'>...</a></li>";
$paginate.= "<li><a href='$targetpage?page=$LastPagem1'>$LastPagem1</a></li>";
$paginate.= "<li><a href='$targetpage?page=$lastpage'>$lastpage</a></li>";
}
elseif($lastpage - ($stages * 2) > $page && $page > ($stages * 2))
{
$paginate.= "<li><a href='$targetpage?page=1'>1</a></li>";
$paginate.= "<li><a href='$targetpage?page=2'>2</a></li>";
$paginate.= "<li><a href='#'>...</a></li>";
for ($counter = $page - $stages; $counter <= $page + $stages; $counter++)
{
if ($counter == $page){
$paginate.= "<li><span class='active'>$counter</span></li>";
}else{
$paginate.= "<li><a href='$targetpage?page=$counter'>$counter</a></li>";}
}
$paginate.= "<li><a href='#'>...</a></li>";
$paginate.= "<li><a href='$targetpage?page=$LastPagem1'>$LastPagem1</a></li>";
$paginate.= "<li><a href='$targetpage?page=$lastpage'>$lastpage</a></li>";
}
else
{
$paginate.= "<li><a href='$targetpage?page=1'>1</a></li>";
$paginate.= "<li><a href='$targetpage?page=2'>2</a></li>";
$paginate.= "<li><a href='#'>...</a>";
for ($counter = $lastpage - (2 + ($stages * 2)); $counter <= $lastpage; $counter++)
{
if ($counter == $page){
$paginate.= "<li><span class='active'>$counter</span></li>";
}else{
$paginate.= "<li><a href='$targetpage?page=$counter'>$counter</a></li>";}
}
}
}
if ($page < $counter - 1){
$paginate.= "<li><a href='$targetpage?page=$next'>next → </a></li>";
}else{
$paginate.= "<li><span class='disabled'>next → </span></li>";
}
$paginate.= "</ul>";
}