PHP树的代码,可以嵌套任意层
2024-05-04 22:16:18
供稿：网友
PHP树的代码,可以嵌套任意层<?
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 "
<DIV class=parent id=$parent_fullname><A
href=/"http://www.csdn.net/expert/menu.shtm#/"
onclick=/"expandIt('$parent_id'); return false/"><IMG border=0 height=13 id=$parent_pic
src=/"image/folderclosed000.gif/" width=19>$roottilte</A></DIV>";
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 "<DIV class=child id=$child_fullname>"; file://打印一个div子级头
while(ora_fetch($cursor_tree)){
$Sort_No = trim(ora_getcolumn($cursor_tree,0));
$Sort_Title = trim(ora_getcolumn($cursor_tree,1));
$Bottom_Flag = trim(ora_getcolumn($cursor_tree,2));
print_child_from_rootsortid($Sort_Title,$Sort_No, $Bottom_Flag); file://循环调用打印子级编码函数
}
echo "</DIV>";
}
file://判断是否是末级标志,并且打印子级编码的函数
function print_child_from_rootsortid($Section_Title,$Section_No,$Bottom_Flag){
global $num;
$len=2*$num+2;
for($j=0;$j<$len;$j++){
echo " ";
} file://输出节点之间间距空格的循环
