表格展示无限级分类(PHP版)

d = $childid ? $childid.'',''.$a[''id''] : $a[''id''];
$this->get_arrchildid($a[''id''], false);
}
}
return $childid ;
}
/**
* 获取该节点所有父节点ID号
* @param $id 节点ID号
* */
public function get_arrparentid($id, $arrparentid = '''') {
if(!is_array($this->arr)) return false;
$parentid = $this->arr[$id][''parentid''];
if($parentid > 0) $arrparentid = $arrparentid ? $parentid.'',''.$arrparentid : $parentid;
if($parentid) $arrparentid = $this->get_arrparentid($parentid, $arrparentid);
return $arrparentid;
}
/**
* 获取节点所在地行定位
* @param $myid 节点ID号
*/
public function get_row_location($myid){
$nodearr = $this->arr;
// 获取每一个节点所在行的位置
foreach ($nodearr as $key => $node){
if($myid == $node[''id'']) {
$node_row_count = 0;
$arrparentid = explode('','', $node[''arrparentid'']);
// 所有父节点小于当前节点层次的底层节点等于0的元素
foreach ($arrparentid as $pid){
foreach ($nodearr as $node_row){
if($node_row[''column''] == $nodearr[$pid][''column''] && $nodearr[$pid][''column_level''] > $node_row[''column_level''] && $node_row[''child_bottom_num''] == 0){
$node_row_count ++;
}
}
}
// 所有当前节点并且节点层次（rowid_level）小于当前节点层次的个数
foreach ($nodearr as $node_row){
if($node[''column''] == $node_row[''column''] && $node_row[''column_level''] < $node[''column_level'']){
$node_row_count += $node_row[''child_bottom_num''] ? $node_row[''child_bottom_num''] : 1;
}
}
$node_row_count++;
break;
}
}
return $node_row_count;
}
/**
* 获取表格的行数
* */
public function get_rows(){
$row = 0;
foreach ($this->arr as $key => $node){
if($node[''child_bottom_num''] == 0){
$rows++; // 总行数
}
}
return $rows;
}
/**
* 获取表格的列数
* */
public function get_columns(){
$columns = 0 ;
foreach ($this->arr as $key => $node){
if($node[''column''] > $columns){
$columns = $node[''column'']; // 总列数
}
}
return $columns;
}
/**
* 获取分类的表格展现形式(不包含表头)
* */
public function get_treetable(){
$table_string = '''';
for($row = 1; $row <= $this->rows; $row++){
$table_string .= "\r\t<tr>";
foreach ($this->arr as $v){
if($v[''row''] == $row){
$rowspan = $v[''rowspan''] ? "rowspan=''{$v[''rowspan'']}''" : '''';
$colspan = $v[''colspan''] ? "colspan=''{$v[''colspan'']}''" : '''';
$table_string .= "\r\t\t<td {$rowspan} {$colspan}>
{$v[''name'']}
</td>";
}
}
$table_string .= "\r\t</tr>";
}
return $table_string;
}
}
?>