PHP树的代码,可以嵌套任意层_PHP

$cursor_tree=ora_open($handle); file://建立树专用游标

$num=0; file://保存游标数值变量

ora_commiton($handle); 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 "

href=\"http://www.csdn.net/expert/menu.shtm#\"

onclick=\"expandIt('$parent_id'); return false\">
src=\"image/folderclosed000.gif\" width=19>$roottilte

";



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://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 "

";



}

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
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://打印div子标志头

find_allchild_from_rootsortid($Section_No); file://查找子级别内容-----嵌套递归函数甲

echo "

"; file://打印div子标尾部



}



}

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--;

}

?>