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439 lines
16 KiB
439 lines
16 KiB
1 year ago
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<?php
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namespace fast;
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use think\Config;
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/**
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* 通用的树型类
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* @author XiaoYao <476552238li@gmail.com>
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*/
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class Tree
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{
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protected static $instance;
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//默认配置
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protected $config = [];
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public $options = [];
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/**
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* 生成树型结构所需要的2维数组
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* @var array
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*/
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public $arr = [];
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/**
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* 生成树型结构所需修饰符号，可以换成图片
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* @var array
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*/
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public $icon = array('│', '├', '└');
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public $nbsp = " ";
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public $pidname = 'pid';
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public function __construct($options = [])
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{
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if ($config = Config::get('tree')) {
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$this->options = array_merge($this->config, $config);
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}
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$this->options = array_merge($this->config, $options);
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}
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/**
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* 初始化
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* @access public
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* @param array $options 参数
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* @return Tree
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*/
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public static function instance($options = [])
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{
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if (is_null(self::$instance)) {
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self::$instance = new static($options);
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}
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return self::$instance;
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}
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/**
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* 初始化方法
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* @param array $arr 2维数组，例如：
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* array(
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* 1 => array('id'=>'1','pid'=>0,'name'=>'一级栏目一'),
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* 2 => array('id'=>'2','pid'=>0,'name'=>'一级栏目二'),
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* 3 => array('id'=>'3','pid'=>1,'name'=>'二级栏目一'),
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* 4 => array('id'=>'4','pid'=>1,'name'=>'二级栏目二'),
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* 5 => array('id'=>'5','pid'=>2,'name'=>'二级栏目三'),
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* 6 => array('id'=>'6','pid'=>3,'name'=>'三级栏目一'),
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* 7 => array('id'=>'7','pid'=>3,'name'=>'三级栏目二')
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* )
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* @param string $pidname 父字段名称
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* @param string $nbsp 空格占位符
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* @return Tree
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*/
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public function init($arr = [], $pidname = null, $nbsp = null)
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{
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$this->arr = $arr;
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if (!is_null($pidname)) {
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$this->pidname = $pidname;
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}
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if (!is_null($nbsp)) {
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$this->nbsp = $nbsp;
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}
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return $this;
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}
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/**
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* 得到子级数组
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* @param int
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* @return array
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*/
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public function getChild($myid)
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{
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$newarr = [];
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foreach ($this->arr as $value) {
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if (!isset($value['id'])) {
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continue;
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}
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if ($value[$this->pidname] == $myid) {
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$newarr[$value['id']] = $value;
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}
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}
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return $newarr;
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}
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/**
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* 读取指定节点的所有孩子节点
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* @param int $myid 节点ID
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* @param boolean $withself 是否包含自身
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* @return array
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*/
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public function getChildren($myid, $withself = false)
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{
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$newarr = [];
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foreach ($this->arr as $value) {
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if (!isset($value['id'])) {
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continue;
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}
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if ((string)$value[$this->pidname] == (string)$myid) {
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$newarr[] = $value;
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$newarr = array_merge($newarr, $this->getChildren($value['id']));
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} elseif ($withself && (string)$value['id'] == (string)$myid) {
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$newarr[] = $value;
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}
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}
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return $newarr;
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}
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/**
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* 读取指定节点的所有孩子节点ID
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* @param int $myid 节点ID
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* @param boolean $withself 是否包含自身
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* @return array
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*/
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public function getChildrenIds($myid, $withself = false)
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{
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$childrenlist = $this->getChildren($myid, $withself);
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$childrenids = [];
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foreach ($childrenlist as $k => $v) {
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$childrenids[] = $v['id'];
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}
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return $childrenids;
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}
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/**
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* 得到当前位置父辈数组
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* @param int
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* @return array
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*/
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public function getParent($myid)
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{
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$pid = 0;
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$newarr = [];
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foreach ($this->arr as $value) {
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if (!isset($value['id'])) {
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continue;
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}
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if ($value['id'] == $myid) {
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$pid = $value[$this->pidname];
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break;
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}
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}
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if ($pid) {
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foreach ($this->arr as $value) {
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if ($value['id'] == $pid) {
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$newarr[] = $value;
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break;
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}
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}
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}
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return $newarr;
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}
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/**
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* 得到当前位置所有父辈数组
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* @param int
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* @param bool $withself 是否包含自己
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* @return array
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*/
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public function getParents($myid, $withself = false)
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{
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$pid = 0;
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$newarr = [];
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foreach ($this->arr as $value) {
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if (!isset($value['id'])) {
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continue;
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}
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if ($value['id'] == $myid) {
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if ($withself) {
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$newarr[] = $value;
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}
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$pid = $value[$this->pidname];
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break;
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}
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}
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if ($pid) {
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$arr = $this->getParents($pid, true);
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$newarr = array_merge($arr, $newarr);
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}
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return $newarr;
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}
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/**
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* 读取指定节点所有父类节点ID
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* @param int $myid
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* @param boolean $withself
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* @return array
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*/
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public function getParentsIds($myid, $withself = false)
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{
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$parentlist = $this->getParents($myid, $withself);
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$parentsids = [];
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foreach ($parentlist as $k => $v) {
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$parentsids[] = $v['id'];
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}
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return $parentsids;
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}
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/**
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* 树型结构Option
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* @param int $myid 表示获得这个ID下的所有子级
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* @param string $itemtpl 条目模板 如："<option value=@id @selected @disabled>@spacer@name</option>"
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* @param mixed $selectedids 被选中的ID，比如在做树型下拉框的时候需要用到
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* @param mixed $disabledids 被禁用的ID，比如在做树型下拉框的时候需要用到
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* @param string $itemprefix 每一项前缀
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* @param string $toptpl 顶级栏目的模板
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* @return string
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*/
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public function getTree($myid, $itemtpl = "<option value=@id @selected @disabled>@spacer@name</option>", $selectedids = '', $disabledids = '', $itemprefix = '', $toptpl = '')
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{
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$ret = '';
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$number = 1;
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$childs = $this->getChild($myid);
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if ($childs) {
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$total = count($childs);
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foreach ($childs as $value) {
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$id = $value['id'];
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$j = $k = '';
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if ($number == $total) {
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$j .= $this->icon[2];
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$k = $itemprefix ? $this->nbsp : '';
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} else {
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$j .= $this->icon[1];
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$k = $itemprefix ? $this->icon[0] : '';
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}
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$spacer = $itemprefix ? $itemprefix . $j : '';
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$selected = $selectedids && in_array($id, (is_array($selectedids) ? $selectedids : explode(',', $selectedids))) ? 'selected' : '';
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$disabled = $disabledids && in_array($id, (is_array($disabledids) ? $disabledids : explode(',', $disabledids))) ? 'disabled' : '';
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$value = array_merge($value, array('selected' => $selected, 'disabled' => $disabled, 'spacer' => $spacer));
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$value = array_combine(array_map(function ($k) {
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return '@' . $k;
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}, array_keys($value)), $value);
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$nstr = strtr((($value["@{$this->pidname}"] == 0 || $this->getChild($id)) && $toptpl ? $toptpl : $itemtpl), $value);
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$ret .= $nstr;
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$ret .= $this->getTree($id, $itemtpl, $selectedids, $disabledids, $itemprefix . $k . $this->nbsp, $toptpl);
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$number++;
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}
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}
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return $ret;
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}
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/**
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* 树型结构UL
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* @param int $myid 表示获得这个ID下的所有子级
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* @param string $itemtpl 条目模板 如："<li value=@id @selected @disabled>@name @childlist</li>"
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* @param string $selectedids 选中的ID
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* @param string $disabledids 禁用的ID
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* @param string $wraptag 子列表包裹标签
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* @param string $wrapattr 子列表包裹属性
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* @return string
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*/
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public function getTreeUl($myid, $itemtpl, $selectedids = '', $disabledids = '', $wraptag = 'ul', $wrapattr = '')
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{
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$str = '';
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$childs = $this->getChild($myid);
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if ($childs) {
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foreach ($childs as $value) {
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$id = $value['id'];
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unset($value['child']);
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$selected = $selectedids && in_array($id, (is_array($selectedids) ? $selectedids : explode(',', $selectedids))) ? 'selected' : '';
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$disabled = $disabledids && in_array($id, (is_array($disabledids) ? $disabledids : explode(',', $disabledids))) ? 'disabled' : '';
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$value = array_merge($value, array('selected' => $selected, 'disabled' => $disabled));
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$value = array_combine(array_map(function ($k) {
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return '@' . $k;
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}, array_keys($value)), $value);
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$nstr = strtr($itemtpl, $value);
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$childdata = $this->getTreeUl($id, $itemtpl, $selectedids, $disabledids, $wraptag, $wrapattr);
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$childlist = $childdata ? "<{$wraptag} {$wrapattr}>" . $childdata . "</{$wraptag}>" : "";
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$str .= strtr($nstr, array('@childlist' => $childlist));
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}
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}
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return $str;
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}
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/**
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* 菜单数据
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* @param int $myid
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* @param string $itemtpl
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* @param mixed $selectedids
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* @param mixed $disabledids
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* @param string $wraptag
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* @param string $wrapattr
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* @param int $deeplevel
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* @return string
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*/
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public function getTreeMenu($myid, $itemtpl, $selectedids = '', $disabledids = '', $wraptag = 'ul', $wrapattr = '', $deeplevel = 0)
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{
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$str = '';
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$childs = $this->getChild($myid);
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if ($childs) {
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foreach ($childs as $value) {
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$id = $value['id'];
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unset($value['child']);
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$selected = in_array($id, (is_array($selectedids) ? $selectedids : explode(',', $selectedids))) ? 'selected' : '';
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$disabled = in_array($id, (is_array($disabledids) ? $disabledids : explode(',', $disabledids))) ? 'disabled' : '';
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$value = array_merge($value, array('selected' => $selected, 'disabled' => $disabled));
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$value = array_combine(array_map(function ($k) {
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return '@' . $k;
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}, array_keys($value)), $value);
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$bakvalue = array_intersect_key($value, array_flip(['@url', '@caret', '@class']));
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$value = array_diff_key($value, $bakvalue);
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$nstr = strtr($itemtpl, $value);
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$value = array_merge($value, $bakvalue);
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$childdata = $this->getTreeMenu($id, $itemtpl, $selectedids, $disabledids, $wraptag, $wrapattr, $deeplevel + 1);
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$childlist = $childdata ? "<{$wraptag} {$wrapattr}>" . $childdata . "</{$wraptag}>" : "";
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$childlist = strtr($childlist, array('@class' => $childdata ? 'last' : ''));
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$value = array(
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'@childlist' => $childlist,
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'@url' => $childdata || !isset($value['@url']) ? "javascript:;" : $value['@url'],
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'@addtabs' => $childdata || !isset($value['@url']) ? "" : (stripos($value['@url'], "?") !== false ? "&" : "?") . "ref=addtabs",
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'@caret' => ($childdata && (!isset($value['@badge']) || !$value['@badge']) ? '<i class="fa fa-angle-left"></i>' : ''),
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'@badge' => isset($value['@badge']) ? $value['@badge'] : '',
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'@class' => ($selected ? ' active' : '') . ($disabled ? ' disabled' : '') . ($childdata ? ' treeview' . (config('fastadmin.show_submenu') ? ' treeview-open' : '') : ''),
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);
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$str .= strtr($nstr, $value);
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}
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}
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return $str;
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}
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/**
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* 特殊
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* @param integer $myid 要查询的ID
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* @param string $itemtpl1 第一种HTML代码方式
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* @param string $itemtpl2 第二种HTML代码方式
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* @param mixed $selectedids 默认选中
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* @param mixed $disabledids 禁用
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* @param string $itemprefix 前缀
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* @return string
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*/
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public function getTreeSpecial($myid, $itemtpl1, $itemtpl2, $selectedids = 0, $disabledids = 0, $itemprefix = '')
|
||
|
|
{
|
||
|
|
$ret = '';
|
||
|
|
$number = 1;
|
||
|
|
$childs = $this->getChild($myid);
|
||
|
|
if ($childs) {
|
||
|
|
$total = count($childs);
|
||
|
|
foreach ($childs as $id => $value) {
|
||
|
|
$j = $k = '';
|
||
|
|
if ($number == $total) {
|
||
|
|
$j .= $this->icon[2];
|
||
|
|
$k = $itemprefix ? $this->nbsp : '';
|
||
|
|
} else {
|
||
|
|
$j .= $this->icon[1];
|
||
|
|
$k = $itemprefix ? $this->icon[0] : '';
|
||
|
|
}
|
||
|
|
$spacer = $itemprefix ? $itemprefix . $j : '';
|
||
|
|
$selected = $selectedids && in_array($id, (is_array($selectedids) ? $selectedids : explode(',', $selectedids))) ? 'selected' : '';
|
||
|
|
$disabled = $disabledids && in_array($id, (is_array($disabledids) ? $disabledids : explode(',', $disabledids))) ? 'disabled' : '';
|
||
|
|
$value = array_merge($value, array('selected' => $selected, 'disabled' => $disabled, 'spacer' => $spacer));
|
||
|
|
$value = array_combine(array_map(function ($k) {
|
||
|
|
return '@' . $k;
|
||
|
|
}, array_keys($value)), $value);
|
||
|
|
$nstr = strtr(!isset($value['@disabled']) || !$value['@disabled'] ? $itemtpl1 : $itemtpl2, $value);
|
||
|
|
|
||
|
|
$ret .= $nstr;
|
||
|
|
$ret .= $this->getTreeSpecial($id, $itemtpl1, $itemtpl2, $selectedids, $disabledids, $itemprefix . $k . $this->nbsp);
|
||
|
|
$number++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
* 获取树状数组
|
||
|
|
* @param string $myid 要查询的ID
|
||
|
|
* @param string $itemprefix 前缀
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getTreeArray($myid, $itemprefix = '')
|
||
|
|
{
|
||
|
|
$childs = $this->getChild($myid);
|
||
|
|
$n = 0;
|
||
|
|
$data = [];
|
||
|
|
$number = 1;
|
||
|
|
if ($childs) {
|
||
|
|
$total = count($childs);
|
||
|
|
foreach ($childs as $id => $value) {
|
||
|
|
$j = $k = '';
|
||
|
|
if ($number == $total) {
|
||
|
|
$j .= $this->icon[2];
|
||
|
|
$k = $itemprefix ? $this->nbsp : '';
|
||
|
|
} else {
|
||
|
|
$j .= $this->icon[1];
|
||
|
|
$k = $itemprefix ? $this->icon[0] : '';
|
||
|
|
}
|
||
|
|
$spacer = $itemprefix ? $itemprefix . $j : '';
|
||
|
|
$value['spacer'] = $spacer;
|
||
|
|
$data[$n] = $value;
|
||
|
|
$data[$n]['childlist'] = $this->getTreeArray($id, $itemprefix . $k . $this->nbsp);
|
||
|
|
$n++;
|
||
|
|
$number++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $data;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 将getTreeArray的结果返回为二维数组
|
||
|
|
* @param array $data
|
||
|
|
* @param string $field
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getTreeList($data = [], $field = 'name')
|
||
|
|
{
|
||
|
|
$arr = [];
|
||
|
|
foreach ($data as $k => $v) {
|
||
|
|
$childlist = isset($v['childlist']) ? $v['childlist'] : [];
|
||
|
|
unset($v['childlist']);
|
||
|
|
$v[$field] = $v['spacer'] . ' ' . $v[$field];
|
||
|
|
$v['haschild'] = $childlist ? 1 : 0;
|
||
|
|
if ($v['id']) {
|
||
|
|
$arr[] = $v;
|
||
|
|
}
|
||
|
|
if ($childlist) {
|
||
|
|
$arr = array_merge($arr, $this->getTreeList($childlist, $field));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $arr;
|
||
|
|
}
|
||
|
|
}
|