mysql|分页|显示
/*存放贴子的表结构------------------------------------------------------
create table bbsrow(
bbsrow_id int(6) not null auto_increment, //贴子ID号
bbsrow_auth varchar(20) not null, //贴子作者
bbsrow_parentid int(6), //贴子的父亲贴子ID号,如为首发贴则为空
bbsrow_title varchar(200) not null, //贴子标题
bbsrow_returncount int(3), //贴子的回复贴数,如果没有回贴则为空
primary key (bbsrow_id)
);
-----------------------------------------------------------------------------*/
//显示儿子贴的递归函数--------------------------------------------------
function showchildren($parent_id){
global $connect_id;
$query="select * from bbsrow where bbsrow_parentid='" . $parent_id . "'";
$result_top=mysql_query($query,$connect_id);
echo "
- \n";
- ";
echo $myrow_child[0];
echo $myrow_child[1];
echo $myrow_child[2];
echo $myrow_child[3];
echo $myrow_child[4] . "\n";
//如果回复贴数不为空,则表示有儿子贴,继续显示儿子贴
if($myrow_child[4]!=''){
showchildren($myrow_child[0]);
}
}
echo "
while($myrow_child=mysql_fetch_row($result_top)){
echo "
}
//----------------------------------------------------------------------
//连接数据库并将所有首发贴放到$mainrow数组里----------------------------
$connect_id=mysql_connect("localhost","test","test") or die("无法连接数据库");
mysql_select_db("bbs") or die("无法选择数据库");
$query="select * from bbsrow where bbsrow_parentid=''";
$result=mysql_query($query,$connect_id);
$i=0;
while($myrow=mysql_fetch_row($result)) {
$mainrow[$i][0]=$myrow[0];
$mainrow[$i][1]=$myrow[1];
$mainrow[$i][2]=$myrow[2];
$mainrow[$i][3]=$myrow[3];
$mainrow[$i][4]=$myrow[4];
$i++;
}
mysql_free_result($result);
//----------------------------------------------------------------------
//开始构建分页显示------------------------------------------------------
if($currentpage!=""){
$page=$currentpage;
}
else{
$page=0;
}
$pagesize=10;//每页显示的首发贴数!
$start=$page*$pagesize;
$end=$start+$pagesize;
if($end>$i) $end=$i;
$totalpage=$i/$pagesize;
$info=" 共有" . $i . "条纪录,分" . ceil($totalpage) . "页,当前为第" . ($page+1) . "/" . ceil($totalpage) . "页
\n";
echo $info;
if($page>0) $pagestr="上一页";
$pagestr=$pagestr . " [第 ";
for($i=0;$i if($i!=$page){
$pagestr=$pagestr . " " . ($i+1) . " ";
}
else{
$pagestr=$pagestr . " " . ($i+1) . " ";
}
}
$pagestr=$pagestr . "页]";
if($page下一页
\n";
echo $pagestr;
//----------------------------------------------------------------------
//开始分级显示----------------------------------------------------------
echo "
- \n";
- \n";
echo $mainrow[$i][0];
echo $mainrow[$i][1];
echo $mainrow[$i][2];
echo $mainrow[$i][3];
echo $mainrow[$i][4] . "\n";
//如果回复贴数不为空,则表示有儿子贴,继续显示儿子贴
if($mainrow[$i][4]!=''){
showchildren($mainrow[$i][0]);
}
}
echo "
for($i=$start;$i echo "
//----------------------------------------------------------------------?>

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