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<?php
$conn=mysql_connect("localhost","root","");
//$result2=mysql_db_query("hello_world", "insert into hello_table values ('add1',8)",$conn);
// $result2=mysql_db_query("hello_world", "delete from hello_table where hello_column='add1'",$conn);
$resultNum=mysql_db_query("hello_world","select count(*) from hello_table order by hello_column" ,$conn);
$RSS=mysql_fetch_array($resultNum);
$num=$RSS[0];
if(empty($_GET['page'])){
$page=0;
}else{
$page=$_GET['page'];
if($page<0){
$page=0;
}
if($page>=ceil($num/5)){
$page=ceil($num/5)-1;
}
}
$excute="select * from hello_table order by hello_column limit ".($page*5).",5 ";
$result=mysql_db_query("hello_world",$excute ,$conn);
$row=mysql_fetch_row($result);
for($i=0;$i<mysql_num_fields($result);$i++){
echo mysql_field_name($result, $i)." ";
}
echo "<br>";
while($row=mysql_fetch_row($result)){
for($i=0;$i<mysql_num_fields($result);$i++){
echo $row[$i]." ";
}
echo "<br>";
}
mysql_free_result($result);
mysql_close($conn);
?>
<
a href="test.php?page=0">FirstPage</a>
<
a href="test.php?page=<?=($page-1) ?>">PrevPage</a>
<
a href="test.php?page=<?=($page+1) ?>">NextPage</a>
<
a href="test.php?page=<?=ceil($num/5)-1 ?>">LastPage</a>
=====================================================================
怎么分段,當(dāng)前在第幾段 (每頁有幾條,當(dāng)前再第幾頁)
前10條記錄:select * from table limit 0,10
第11至20條記錄:select * from table limit 10,10
第21至30條記錄:select * from table limit 20,10
(當(dāng)前頁數(shù) - 1 )X 每頁條數(shù) , 每頁條數(shù)
Select * from table limit ($Page- 1) * $PageSize, $PageSize
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