首頁 php教程 PHP源码 用于生成一个表格树

用于生成一个表格树

May 25, 2016 pm 05:08 PM
表格樹

生成的例子如下: 

好吧,不知道要怎么上传图片。。。 

<?php
 
/**
 * 树形展示
 * #-------------------------------#
 * #   a   | b | c | d | e | f | g #
 * #-------------------------------#
 * #  a-1  |   |   |   |   |   |   #
 * #-------|   |   |   |   |   |   #
 * #a-2|a-3|   |   |   |   |   |   #
 * #-------------------------------#
 * and open the template in the editor.
 *
 * PHP version 5.3.8
 *
 * @category TreeTable
 * @package  Tree
 * @author   然 <384750321@qq.com>
 *
 */
 
/**
 * 生成表格树
 *
 * PHP version 5.3.8
 *
 * @author 然 <384750321@qq.com>
 */
class TreeTableCross
{
 
    private $_arr, $_rows;
 
    /**
     * 初始化TreeTable数据
     * @param array 2维数组
     * array(
     *      1 => array(&#39;id&#39;=>&#39;1&#39;,&#39;parentid&#39;=>0,&#39;name&#39;=>&#39;一级栏目一&#39;),
     *      2 => array(&#39;id&#39;=>&#39;2&#39;,&#39;parentid&#39;=>0,&#39;name&#39;=>&#39;一级栏目二&#39;),
     *      3 => array(&#39;id&#39;=>&#39;3&#39;,&#39;parentid&#39;=>1,&#39;name&#39;=>&#39;二级栏目一&#39;),
     *      4 => array(&#39;id&#39;=>&#39;4&#39;,&#39;parentid&#39;=>1,&#39;name&#39;=>&#39;二级栏目二&#39;),
     *      5 => array(&#39;id&#39;=>&#39;5&#39;,&#39;parentid&#39;=>2,&#39;name&#39;=>&#39;二级栏目三&#39;),
     *      6 => array(&#39;id&#39;=>&#39;6&#39;,&#39;parentid&#39;=>3,&#39;name&#39;=>&#39;三级栏目一&#39;),
     *      7 => array(&#39;id&#39;=>&#39;7&#39;,&#39;parentid&#39;=>3,&#39;name&#39;=>&#39;三级栏目二&#39;)
     *      )
     */
    public function init($arr)
    {
        if (!is_array($arr)) {
            return false;
        }
        $this->_arr = $arr;
        $this->get_allChilds();
        $this->get_allParent();
        $this->get_depth();
        $this->get_max();
    }
 
    /**
     * 获取最深的树
     *
     */
    public function get_depth()
    {
        $depth = 0;
        foreach ($this->_arr as $k => $v) {
            if ($v[&#39;arrparentids&#39;]) {
                $v[&#39;depth&#39;] = count(explode(&#39;,&#39;, $v[&#39;arrparentids&#39;])) + 1;
                if ($v[&#39;depth&#39;] > $depth) {
                    $depth = $v[&#39;depth&#39;];
                }
            } else {
                $v[&#39;depth&#39;] = 1;
            }
            $this->_arr[$k] = $v;
        }
        $this->_rows = $depth;
    }
 
    /**
     * 获取每个id的最广树
     */
    public function get_max()
    {
        foreach ($this->_arr as $id => $v) {
            $_arr = $this->_arr[$id];
            $depth = array();
            $num = 0;
            // 获取id的最低级的所有节点,根据行数排序
            if ($_arr[&#39;arrchildids&#39;]) {
                $arrchildids = explode(&#39;,&#39;, $_arr[&#39;arrchildids&#39;]);
                foreach ($arrchildids as $v) {
                    if (!$this->_arr[$v][&#39;childids&#39;]) {
                        $depth[$this->_arr[$v][&#39;depth&#39;]][$v] = $v;
                    }
                }
            } else {
                $depth[$_arr[&#39;depth&#39;]][$id] = $id;
            }
            ksort($depth);
            foreach ($depth as $k => $v) {
                $count = count($v);
                $num += $count;
            }
            $this->_arr[$id][&#39;max&#39;] = $num;
        }
    }
 
    /**
     * 根据ID获取所有的父级
     *
     * @param type $id
     * @return type
     */
    public function get_parent($id)
    {
        $arrparents = array();
        $parentid = $this->_arr[$id][&#39;parentid&#39;];
        while ($parentid) {
            $arrparents[$parentid] = $this->_arr[$parentid];
            $parentid = $this->_arr[$parentid][&#39;parentid&#39;];
        }
        return $arrparents;
    }
 
    /**
     * 获取所有的父级
     *
     * @return type
     */
    public function get_allParent()
    {
        $arrparents = array();
        foreach ($this->_arr as $k => $v) {
            $parentid = $v[&#39;parentid&#39;];
            // 循环出所有的父级
            if ($parentid) {
                while ($parentid) {
                    $arrparents[$k][$parentid] = $v;
                    $parentid = $this->_arr[$parentid][&#39;parentid&#39;];
                }
            }
        }
        foreach ($arrparents as $k => $v) {
            ksort($v);
            $this->_arr[$k][&#39;arrparentids&#39;] = implode(&#39;,&#39;, array_keys($v));
        }
    }
 
    /**
     * 根据ID获取二级子级
     *
     * @param type $id
     * @return type
     */
    public function get_childs($id)
    {
        $childs = array();
        if (is_array($this->_arr)) {
            foreach ($this->_arr as $k => $v) {
                if ($v[&#39;parentid&#39;] == $id) {
                    $childs[$k] = $v;
                }
            }
        }
        return $childs;
    }
 
    /**
     * 获取所有的子集
     *
     * @return type
     */
    public function get_allChilds()
    {
        $childs = array();
        foreach ($this->_arr as $k => $v) {
            if ($v[&#39;parentid&#39;] === 0) {
                $childs[$k][$k] = $v;
            } else {
                // 循环判断父级所存在的数组,并把id加入到父级存在的数组中
                if ($childs) {
                    foreach ($childs as $ck => $cv) {
                        if (array_key_exists($v[&#39;parentid&#39;], $cv)) {
                            $childs[$ck][$k] = $v;
                        }
                    }
                }
                $childs[$v[&#39;parentid&#39;]][$k] = $v;
            }
        }
        foreach ($childs as $k => $v) {
            ksort($v);
            // 取出本身id
            unset($v[$k]);
            if ($v) {
                $this->_arr[$k][&#39;arrchildids&#39;] = implode(&#39;,&#39;, array_keys($v));
            }
        }
        // 获取二级id
        foreach ($this->_arr as $k => $v) {
            if ($childids = array_keys($this->get_childs($k))) {
                $this->_arr[$k][&#39;childids&#39;] = implode(&#39;,&#39;, $childids);
            }
        }
    }
 
    public function get_tableTree()
    {
        $_arr = array();
        $str = &#39;&#39;;
        $_save_childs = array();
        // 整理出对应的行数
        foreach ($this->_arr as $k => $v) {
            $_arr[$v[&#39;depth&#39;]][$k] = $v;
        }
        ksort($_arr);
        // 循环行数
        for ($i = 1; $i <= $this->_rows; $i++) {
            $str .= &#39;<tr>&#39;;
            // 对于第二行数据的排序显示,避免数据错乱
            if ($_save_childs) {
                $_save_childs_back = $_save_childs;
                $_save_childs = array();
                // 对于上次循环数据的对应
                foreach ($_save_childs_back as $sk => $sv) {
                    $sv = array_intersect_key($_arr[$i], array_flip($sv));
                    if ($sv) {
                        foreach ($sv as $k => $v) {
                            $value = $v;
                            $_save_childs[$k] = explode(&#39;,&#39;, $value[&#39;arrchildids&#39;]);
                            $str .= "<td width=&#39;100px&#39; colspan=&#39;{$value[&#39;max&#39;]}&#39;>{$value[&#39;name&#39;]}</td>";
                        }
                    } else {
                        // 计算需要合并的行数
                        $rows = $this->_rows - $i + 1;
                        $str .= "<td width=&#39;100px&#39; rowspan=&#39;{$rows}&#39;></td>";
                    }
                }
            } else {
                foreach ($_arr[$i] as $k => $v) {
                    if ($v[&#39;arrchildids&#39;]) {
                        $_save_childs[$k] = explode(&#39;,&#39;, $v[&#39;arrchildids&#39;]);
                    } else {
                        // 计算需要合并的行数
                        $rows = $this->_rows - $i + 1;
                    }
                    $str .= "<td width=&#39;100px&#39; colspan=&#39;{$v[&#39;max&#39;]}&#39; rowspan=&#39;{$rows}&#39;;>{$v[&#39;name&#39;]}</td>";
                }
            }
            $str .= &#39;</tr>&#39;;
        }
        return $str;
    }
 
}
 
$treearr = array(
    1 => array(&#39;id&#39; => &#39;1&#39;, &#39;parentid&#39; => 0, &#39;name&#39; => &#39;1&#39;),
    2 => array(&#39;id&#39; => &#39;2&#39;, &#39;parentid&#39; => 0, &#39;name&#39; => &#39;2&#39;),
    3 => array(&#39;id&#39; => &#39;3&#39;, &#39;parentid&#39; => 1, &#39;name&#39; => &#39;3&#39;),
    4 => array(&#39;id&#39; => &#39;4&#39;, &#39;parentid&#39; => 1, &#39;name&#39; => &#39;4&#39;),
    5 => array(&#39;id&#39; => &#39;5&#39;, &#39;parentid&#39; => 1, &#39;name&#39; => &#39;5&#39;),
    6 => array(&#39;id&#39; => &#39;6&#39;, &#39;parentid&#39; => 0, &#39;name&#39; => &#39;6&#39;),
);
$treeTable = new TreeTableCross();
$treeTable->init($treearr);
echo $treeTable->get_tableTree();
?>
登入後複製

以上就是用于生成一个表格树的内容,更多相关内容请关注PHP中文网(www.php.cn)!

本網站聲明
本文內容由網友自願投稿,版權歸原作者所有。本站不承擔相應的法律責任。如發現涉嫌抄襲或侵權的內容,請聯絡admin@php.cn

熱AI工具

Undresser.AI Undress

Undresser.AI Undress

人工智慧驅動的應用程序,用於創建逼真的裸體照片

AI Clothes Remover

AI Clothes Remover

用於從照片中去除衣服的線上人工智慧工具。

Undress AI Tool

Undress AI Tool

免費脫衣圖片

Clothoff.io

Clothoff.io

AI脫衣器

Video Face Swap

Video Face Swap

使用我們完全免費的人工智慧換臉工具,輕鬆在任何影片中換臉!

熱工具

記事本++7.3.1

記事本++7.3.1

好用且免費的程式碼編輯器

SublimeText3漢化版

SublimeText3漢化版

中文版,非常好用

禪工作室 13.0.1

禪工作室 13.0.1

強大的PHP整合開發環境

Dreamweaver CS6

Dreamweaver CS6

視覺化網頁開發工具

SublimeText3 Mac版

SublimeText3 Mac版

神級程式碼編輯軟體(SublimeText3)