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PHP_MySQL数据分页

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Release: 2016-05-25 17:15:13
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PHP_MySQL数据分页

<?php
if($_GET["page"]){
    $page=$_GET["page"];#获取要显示的页码
}else{
    $page=1;#没有参数传入时,显示第一页
}
$col=13;#每页显示记录条数
$p=($page-1)*$col;
mysql_connect("127.0.0.1:3306","root","");
mysql_query("set names gbk");
mysql_select_db("php");#数据库中需要事先建product表并插入数据,含有name和price字段。
$result=mysql_query("select * from product limit ".$p.",".$col."");
echo "
<table BORDER=1>
<tr>
<th>name</th>
<th>price</th>
</tr>
";
while($rs=mysql_fetch_object($result))
{
echo "<tr>
<td>".$rs->name."</td>
<td>".$rs->price."</td>
</tr>
";
}
echo "</table>";
$count=mysql_query("select name from product");#取得记录总条数
$num = mysql_num_rows($count)/$col;#计算页数
$num=ceil($num);#无条件小数进位确定总页数
mysql_close();
if($page==1){
    echo &#39;上一页&#39;;
}else{
    echo "<a href=?page=".($page-1).">上一页</a>";
}
echo " 第".$page."页 ";
if($page==$num){
    echo &#39;下一页<br>&#39;;
}else{
    echo "<a href=&#39;?page=".($page+1)."&#39;>下一页</a><br>";
}
 
if($page==1){
}else{
    echo "<a href=&#39;?page=1&#39;>第一页</a><<<";
}
 
for($i=-2;$i<=2;$i++){
    if(($page+$i)>$num||($page+$i)<1){
 
    }else{
        echo " <a href=?page=".($page+$i).">".($page+$i)."</a> ";
    }
}
if($page==$num){
}else{
    echo ">>><a href=&#39;?page=".$num."&#39;>最后一页</a><br>";
}
?>
<form action="" method=&#39;get&#39;>
跳转到<input type=&#39;text&#39; name=&#39;page&#39;>页
<input type=&#39;submit&#39; value="确定">
</form>
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