今天小编给大家分享的是php生成文件层级树类的方法。小编觉得挺实用的，为此分享给大家做个参考。一起跟随小编过来看看吧。
成都创新互联是专业的牟定网站建设公司，牟定接单;提供成都网站设计、网站制作,网页设计,网站设计,建网站,PHP网站建设等专业做网站服务;采用PHP框架,可快速的进行牟定网站开发网页制作和功能扩展;专业做搜索引擎喜爱的网站,专业的做网站团队,希望更多企业前来合作!
根据 php 递归读取文件夹生成文件树
class Tree
{
public $arr = array();
public $icon = array(
'│',
'├─',
'└─'
);
public $ret;
public function set_tree($arr = array())
{
$this->arr = $arr;
}
public function get_child($myid)
{
$newarr = array();
if (is_array($this->arr)) {
foreach ($this->arr as $id => $a) {
if ($a['pid'] == $myid) {
$newarr[$id] = $a;
}
}
}
return $newarr ? $newarr : false;
}
//获取带格式数组
public function getArray($myid = 0, $sid = 0, $adds = '')
{
$number = 1;
$child = $this->get_child($myid);
if (is_array($child)) {
$total = count($child);
foreach ($child as $a) {
$j = $k = '';
if ($number == $total) {
$j .= $this->icon[2];
} else {
$j .= $this->icon[1];
$k = $adds ? $this->icon[0] : '';
}
$spacer = $adds ? $adds . $j : '';
$a['name'] = $spacer . ' ' . $a['name'];
$this->ret[] = $a;
$fd = $adds . $k . ' ';
$this->getArray($a['id'], $sid, $fd);
$number++;
}
}
return $this->ret;
}
//select
public function get_tree($myid, $str, $sid = 0, $adds = '')
{
$number = 1;
$child = $this->get_child($myid);
if (is_array($child)) {
$total = count($child);
foreach ($child as $a) {
$id = $a['id'];
$j = $k = '';
if ($number == $total) {
$j .= $this->icon [2];
} else {
$j .= $this->icon [1];
$k = $adds ? $this->icon [0] : '';
}
$spacer = $adds ? $adds . $j : '';
$select = $id == $sid ? 'selected' : '';
$this->ret .= sprintf($str, $id, $select, $spacer, $a['name']);
$this->get_tree($id, $str, $sid, $adds . $k . ' ');
$number++;
}
}
return $this->ret;
}
//文件夹目录
public function read_all_dir($dir, $onlyDir = true, $ignore = [])
{
$result = array();
$handle = opendir($dir);
if ($handle) {
while (($file = readdir($handle)) !== false) {
if (in_array($file, $ignore)) continue;
if ($file != '.' && $file != '..') {
$cur_path = $dir . DIRECTORY_SEPARATOR . $file;
if (is_dir($cur_path)) {
$result[$file] = $this->read_all_dir($cur_path, $onlyDir);
} else {
if (!$onlyDir) {
$result[] = $file;
}
}
}
}
closedir($handle);
}
return $result;
}
//数组转换
public function arrshift($array, $pid = 0)
{
static $r = [];
static $index = 1;
if (is_array($array) && count($array) > 0) {
foreach ($array as $k => $v) {
$r[] = array(
'id' => $index,
'pid' => $pid,
'name' => is_array($v) ? $k : $v
);
$index++;
$this->arrshift($v, $index - 1);
}
}
return $r;
}
}使用示例
$tree = new Tree ();
//文件夹遍历
$data = $tree->read_all_dir(realpath('../file_dir'), false, ['.git', '.idea', 'vendor']);
//转换成[['id','pid','name']]的二维数组
$data = $tree->arrshift($data);
$tree->set_tree($data);
$data = $tree->getArray();
foreach ($data as $value) {
echo $value['name'];
echo '
';
echo '
';
}上文描述的就是php生成文件层级树类的方法，具体使用情况还需要大家自己动手实验使用过才能领会。如果想了解更多相关内容，欢迎关注创新互联行业资讯频道！
