ajax实现无刷新分页(php)

gt;<span>$content[0]:</span> $content</li>";
}
$con .= "</ul>";
$con .= <<< PAGE
<p id="page"><a href="#" id="first" onclick="showHint1(''$url?page=1'')">首页</a>|<a href="#" id="pre" onclick="showHint2(''$url?page=$prepg'')"></a>|<a href="#" id="next" onclick="showHint3(''$url?page=$nextpg'')"></a>|<a href="#" id="last" onclick="showHint4(''$url?page=$pagenum'')">尾页</a></p>
PAGE;
echo $con;
?>