这个分页是上次发的java分页的基础,我是在php的基础上,完成的其他的分页,思想基本一样,把此函数改造后,才能适应真正的使用,样式的控制在do-while这个函数上
class page
{
var $user="root";
var $passwd="";
var $host="127.0.0.1";
var $port="3306";
var $dbname="soohuo";
//var $server=$this-host.":".$this-port;
var $page_num=30;//每页显示的条数
var $con;//库连接成功句柄
var $result;//查询成功句柄
var $page_sum;//总共的页数
function page($sql,$url)
{
$this-db_connect();
$this-get_page_sum($sql);
if(!isset($_GET["page"])||$_GET["page"]==0)
$page=1;
else
$page=$_GET["page"];
$url=$url."?page=";
$foot="";
if($page1)
$foot=$foot."url]上一页 ";
$foot=$foot."当前是第$page 页";
if($this-page_sum1&&$pagepage_sum)
$foot=$foot." url]下一页";
if($this-page_sum1)
{
$foot=$foot." 跳到第 \n";
for($i=1;$ipage_sum;$i++)
{
if($i==$page)
$foot.="$i\n";
else
$foot.="$i\n";
}
$foot.=" 页";
}
$foot.="
";
$start=($page-1)*$this-page_num;
$end=$this-page_num;
$sql1=$sql." limit $start,$end";
$this-db_query($sql1);
$this-get_page_head($sql);//page head
$this-db_while();//page body
echo $foot;//page end
}
function db_while()
{
$result=$this-result;
echo "ID号
标题
错误原因
";
while($row=mysql_fetch_array($result))
{
if($row["up_oracle"]==2)
{
$error="存在重复";
}
if($row["up_oracle"]==3)
{
$error="插入没成功";
}
echo "".$row["data_id"]."
".$error."
";
}
mysql_free_result($result);
}
function get_page_sum($sql)
{
$row_num=mysql_num_rows(mysql_query($sql));
$page_sum=ceil($row_num/$this-page_num);
$this-page_sum=$page_sum;
}
function get_page_head($sql)
{
$row_num=mysql_num_rows(mysql_query($sql));
if($row_num==0)
{
$head="没有您要查找的记录
";
echo "$head
";
exit();
}
$page_sum=ceil($row_num/$this-page_num);
$head="共有记录 $row_num 条 共 $page_sum 页
";
echo "$head
";
$this-page_sum=$page_sum;
}
function db_connect()
{
$server=$this-host.":".$this-port;
$con=mysql_connect($server,$this-user,$this-passwd);
if(!$con)
{
echo "database is connect error!".mysql_error()."
";
exit();
}
$select=mysql_select_db($this-dbname);
if(!$select)
{
echo "select is not database error!".mysql_error()."
";
exit();
}
$this-con=$con;
}
function db_query($sql)
{
if($sql=="")
{
echo "query is not null
";
exit();
}
$result=mysql_query($sql,$this-con);
if(!$result)
{
echo "\$sql error
";
echo "\$sql is $sql
";
exit();
}
$this-result=$result;
}
}
?