Home > Backend Development > PHP Tutorial > PHP tree code can be nested at any level_PHP tutorial

PHP tree code can be nested at any level_PHP tutorial

WBOY
Release: 2016-07-21 16:08:24
Original
964 people have browsed it


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 "

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<$len;$j++){
echo " ";
} 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--;
}


?>

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/314773.htmlTechArticlePHP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_par...
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template