我的PHP树的代码,可以嵌套任意层_PHP

P><?
$handle = ora_plogon(sender,password) or die(“数据库连接失败!”);
$cursor=ora_open($handle); file://公共游标
$cursor_tree=ora_open($handle); file://建立树专用游标
$num=0; file://保存游标数值变量
ora_commiton($handle); @本文来源gaodaimacom搞#代%码@网-搞代gaodaima码 file://自动开启oracle的提交
?>

<?
file://建立树的主要函数,传递的参数为根节点的编号和根节点的标题
function create_tree($rootid,$roottilte){
print_parent_from_rootsortid($rootid,$roottilte);
}
file://打印根节点div头的函数
function print_parent_from_rootsortid($rootid,$roottilte){
$parent_fullname=”R”.$rootid.”Parent”; file://div 父级区别标志
$parent_id=”R”.$rootid;
$parent_pic=”R”.$rootid.”img”;
echo “

global $cursor_tree;
$Bottom_Flag=0;
$len=strlen($rootid)+2; file://子级编码为父级编码长度加2
$query = “SELECT ResourceSortNo,ResourceSortName,SectionBottomFlag
From TbSort
Where length(ResourceSortNo)=$len and ResourceSortNo like ‘$rootid%'”; file://sql查询语句
ora_parse($cursor_tree, $query) or die;
ora_exec($cursor_tree);

$child_fullname=”R”.$rootid.”Child”; file://div 子级区别标志
echo “

}
file://判断是否是末级标志,并且打印子级编码的函数
function print_child_from_rootsortid($Section_Title,$Section_No,$Bottom_Flag){
global $num;
$len=2*$num+2;
for($j=0;$j<$len;$j++){
echo “&nbsp”;
} file://输出节点之间间距空格的循环

if($Bottom_Flag==1){
echo “

$Section_Title
“;
}else{
$p_id=”R”.$Section_No;
$p_pic=”R”.$Section_No.”img”;
echo “

$Section_Title
“;
$child_fullname=”R”.$Section_No.”Child”;
echo “

}

}
file://查询所有子级编码的函数
function find_allchild_from_rootsortid($Section_No){
global $handle,$num;
$num++;
$cursor_ary[$num] = ora_open($handle);
$len=strlen($Section_No)+2; file://μ?μ?×ó??±e±ào?3¤?è
$query = “SELECT ResourceSortNo,ResourceSortName,SectionBottomFlag
From TbSort
Where length(ResourceSortNo)=$len and ResourceSortNo like ‘$rootid%'”; file://sql查询语句
ora_parse($cursor_ary[$num], $query) or die;
ora_exec($cursor_ary[$num]);
while(ora_fetch($cursor_ary[$num]))
{
$Sort_Title = trim(ora_getcolumn($cursor_ary[$num],1));
$Sort_No = trim(ora_getcolumn($cursor_ary[$num],0));
$Bottom_Flag = trim(ora_getcolumn($cursor_ary[$num],2));
print_child_from_rootsortid($Sort_Title,$Sort_No,$Bottom_Flag); file://打印所有的子级节点—–嵌套递归函数乙
}
$num–;
}

?>

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