<?php
/*
* $tableName 表名
* $prent_me_str 父ID字段
* $order 排序字段
* Yi210.com
*/
namespace Admin\Model;
use Think\Model;
class TreeModel
{
private $Model;
private $prent_me_str = 'pid';
private $order = 'sort';
public function __construct($tableName)
{
$this->Model = M( $tableName );
}
public function getTree( $parent_id = 0, $level = 0 )
{
global $temp;
$order = $this->order;
if ( $order ) {
$data = $this->Model->where("$this->prent_me_str = '" . $parent_id . "'")->order("$order asc")->select();
} else {
$data = $this->Model->where("$this->prent_me_str = '" . $parent_id . "'")->select();
}
$str = $level ? '|--' : '';
$level++;
if ( !empty($data) ) {
foreach ($data as $key => $value) {
$l = $level - 1;
$value['str'] = str_repeat(' ', $l * 4) . $str;
$value['isprent'] = $this->isPrent( $value['id'] );
$temp[] = $value;
$this->getTree($value['id'], $level);
}
}
return $temp;
}
}
输出格式：
水果
|-- 苹果
|-- 青苹果
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