这是我的HTML
<form name="search" method="GET" action="select1WSearch.php" target="iframe_a" onsubmit="changeLink('select1.php')">
Seach for: <input type="text" name="find" /> in
<Select NAME="field">
<Option VALUE="no">Number</option>
<Option VALUE="CPUname">CPU Name</option>
</Select>
<input type="hidden" name="searching" value="yes" />
<input type="submit" name="search" value="Search" />
</form>
我的php很遗憾
<?php
include('conn.php');
$skip;
$per_page = 10;
$num="";
$json="";
//$searching = $_GET['searching'];
$field = $_GET['field'];
//If they did not enter a search term we give them an error
$find = $_GET['find'];
if ($find == "")
{
echo "<p>You forgot to enter a search term";
exit;
}
baba:
//Now we search for our search term, in the field the user specified
$data = mysql_query("SELECT * FROM tablepcname WHERE upper($field) LIKE'%$find%'");
$skip=1;
//This counts the number or results - and if there wasn't any it gives them a little message explaining that
$anymatches=mysql_num_rows($data);
if ($anymatches == 0)
{
echo "Sorry, but we can not find an entry to match your query<br><br>";
}
//And we remind them what they searched for
echo "<b>Searched For:</b> " .$find;
echo "<table border='1' width='280'>
</br>
<tr>
<th> <img src='Addicon.png' width='17' alt='Add' title='ADD DATA' onClick='swipe();' style='cursor: pointer;'/;</th>
<th></th>
<th></th>
<th><font size='3'>No.</font></th>
<th><font size='3'>CPU Name<font></th>
</tr>";
$result = mysql_query("SELECT * FROM tablepcname WHERE upper($field) LIKE'%$find%'");
//$result=mysql_query($data);
$total_results = mysql_num_rows($result);
$total_pages = ceil($total_results / $per_page);
// check if the 'page' variable is set in the URL (ex: select1new.php?page=1)
if (isset($_GET['page']) && is_numeric($_GET['page']))
{
$show_page = $_GET['page'];
// make sure the $show_page value is valid
if ($show_page > 0 && $show_page <= $total_pages)
{
$start = ($show_page -1) * $per_page;
$end = $start + $per_page;
var_dump ($start);
}
else
{
// error - show first set of results
$start = 0;
$end = $per_page;
}
}
else
{
// if page isn't set, show first set of results
$start = 0;
$end = $per_page;
}
// loop through results of database query, displaying them in the table
for ($i = $start; $i < $end; $i++)
{
// make sure that PHP doesn't try to show results that don't exist
if ($i == $total_results) { break; }
// echo out the contents of each row into a table
echo "<tr>";
echo ("<td>
<img src='view.jpg' width='14' alt='View' title='VIEW DATA'
onClick=\"swipe4('". mysql_result($result, $i, 'no') ."');\"
style='cursor:pointer;'>
</td>");
echo ("<td>
<img src='edit.jpg' width='14' alt='Edit' title='EDIT DATA'
onClick=\"swipe2('". mysql_result($result, $i, 'no') ."');\"
style='cursor:pointer;'>
</td>");
echo ("<td>
<img src='delete.jpg' width='14' alt='Delete' title='DELETE DATA'
onClick=\"swipe3('". mysql_result($result, $i, 'no') ."');\"
style='cursor:pointer;'>
</td>");
echo strtoupper('<td> <font size=3>' . mysql_result($result, $i, 'no') . '</td>');
echo strtoupper('<td> <font size=3>' . mysql_result($result, $i, 'CPUname') . '</td>');
}
echo "</tr>";
echo "</table>";
//Pagination Starts
echo "<center>";
$prev = $start - $per_page;
$next = $start + $per_page;
$adjacents = 3;
$last = $total_pages - 1;
if($total_pages > 1)
{
//previous button
if (!($start<=0))
echo " <a href='select1WSearch.php?page=$prev'>Prev</a> ";
//pages
if ($total_pages < 7 + ($adjacents * 2)) //not enough pages to bother breaking it up
{
$i = 0;
for ($counter = 1; $counter <= $total_pages; $counter++)
{
if ($i == $start){
echo " <a href='select1WSearch.php?page=$i'><b>$counter</b></a> ";
}
else {
echo " <a href='select1WSearch.php?page=$i'>$counter</a> ";
}
$i = $i + $per_page;
}
}
elseif($total_pages > 5 + ($adjacents * 2)) //enough pages to hide some
{
//close to beginning; only hide later pages
if(($start/$per_page) < 1 + ($adjacents * 2))
{
$i = 0;
for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
{
if ($i == $start){
echo " <a href='select1WSearch.php?page=$i'><b>$counter</b></a> ";
}
else {
echo " <a href='select1WSearch.php?page=$i'>$counter</a> ";
}
$i = $i + $per_page;
}
}
//in middle; hide some front and some back
elseif($total_pages - ($adjacents * 2) > ($start / $per_page) && ($start / $per_page) > ($adjacents * 2))
{
echo " <a href='select1WSearch.php?page=0'>1</a> ";
echo " <a href='select1WSearch.php?page=$per_page'>2</a> .... ";
$i = $start;
for ($counter = ($start/$per_page)+1; $counter < ($start / $per_page) + $adjacents + 2; $counter++)
{
if ($i == $start){
echo " <a href='select1WSearch.php?page=$i'><b>$counter</b></a> ";
}
else {
echo " <a href='select1WSearch.php?page=$i'>$counter</a> ";
}
$i = $i + $per_page;
}
}
//close to end; only hide early pages
else
{
echo " <a href='select1WSearch.php?page=0'>1</a> ";
echo " <a href='select1WSearch.php?page=$per_page'>2</a> .... ";
$i = $start;
for ($counter = ($start / $per_page) + 1; $counter <= $total_pages; $counter++)
{
if ($i == $start){
echo " <a href='select1WSearch.php?page=$i'><b>$counter</b></a> ";
}
else {
echo " <a href='select1WSearch.php?page=$i'>$counter</a> ";
}
$i = $i + $per_page;
}
}
}
//next button
if (!($start >=$total_results-$per_page))
echo " <a href='select1WSearch.php?page=$next'>Next</a> ";
}
echo "</center>";
?>
搜索没问题，当结果超过10时显示分页页面。问题是当我点击分页的“数字如1 2 3 4，上一页和下一页”时，它没有指向点击的分页页面，这意味着它不会更改页面和错误显示像未定义的值我“$_GET”我认为我也有链接a href='select1WSearch.php?=$i的问题，但我也改变了，我遇到了错误。请帮助，如果你建议新的代码生病尝试。提前谢谢^^