'', 'id' => '', 'name' =>'name') * @return string|array */ public function init($config = array()) { if (!is_array($config)) return false; $this->parentid = (isset($config['parentid'])) ? $config['parentid'] : $this->parentid; $this->id = (isset($config['id'])) ? $config['id'] : $this->id; $this->name = (isset($config['name'])) ? $config['name'] : $this->name; return true; } /** * 无限级分类树-获取树 * @param array $tree 树的数组 * @param int $mid 初始化树时候，代表ID下的所有子集 * @param int $selectid 选中的ID值 * @param string $code 代码 * @param string $prefix 前缀 * @param string $selected 选中 * @return string|array */ public function get_tree($tree, $mid = 0, $selectid = 5, $code = "\$prefix\$name", $prefix = '|-', $selected = 'selected') { if (!is_array($tree)) return ''; $temp = array(); $string = ''; foreach ($tree as $k => $v) { if ($v[$this->parentid] == $mid) { $id = $v[$this->id]; $name = $v[$this->name]; $selecteds = ($id == $selectid) ? $selected : ''; eval("\$temp_code = \"$code\";");//转化 $string .= $temp_code; $string .= $this->get_tree($tree, $v[$this->id], $selectid, $code, '  ' . $prefix); } } return $string ; } /** * 无限级分类树-获取子类 * @param array $tree 树的数组 * @param int $id 父类ID * @return string|array */ public function get_child($tree, $id) { if (!is_array($tree)) return array(); $temp = array(); foreach ($tree as $k => $v) { if ($v[$this->parentid] == $id) { $temp[] = $v; } } return $temp; } /** * 无限级分类树-获取父类 * @param array $tree 树的数组 * @param int $id 子类ID * @return string|array */ public function get_parent($tree, $id) { if (!is_array($tree)) return array(); $temp = array(); foreach ($tree as $k => $v) { $temp[$v[$this->id]] = $v; } $parentid = $temp[$id][$this->parentid]; return $temp[$parentid]; } }