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有困难动态

2014-01-11 51 views
2

创建多级有序列表我一直想有一段时间在PHP中创建一个多层次的有序列表了。我尝试过并一直在寻找，我看到的所有数据布局都不同于我必须使用的数据布局。大多数示例都会从数据库中提取数据，并根据单独的列构建数组，并且在这种情况下会生成具有深度或父母关系信息的列。我的数据是在一个SSRS报告路径和2至3（或更多的未来）可以改变的水平，所以我不知道如何来构建阵列，以在这个问题上的功能工作。有困难动态

例如，一个例子是来自另一个帖子 - generating-category-tree-as-html-unordered-list，但是所有例子和我所拥有的不同之处在于数据本身的性质。

这里是我的工作全例如：

例阵列和功能

<?php 
    $nested = Array 
    (
     1 => Array ('id' => 1, 'parent' => 0, 'title' => 'Page 1'), 
     2 => Array ('id' => 2, 'parent' => 0, 'title' => 'Page 2'), 
     3 => Array ('id' => 3, 'parent' => 0, 'title' => 'Page 3'), 
     4 => Array ('id' => 4, 'parent' => 0, 'title' => 'Page 4'), 
     5 => Array ('id' => 5, 'parent' => 0, 'title' => 'Page 5'), 
     6 => Array ('id' => 6, 'parent' => 1, 'title' => 'Page 1-1'), 
     7 => Array ('id' => 7, 'parent' => 1, 'title' => 'Page 1-2'), 
     8 => Array ('id' => 8, 'parent' => 1, 'title' => 'Page 1-3'), 
     9 => Array ('id' => 9, 'parent' => 2, 'title' => 'Page 2-1'), 
     10 => Array ('id' => 10, 'parent' => 2, 'title' => 'Page 2-2'), 
     11 => Array ('id' => 11, 'parent' => 2, 'title' => 'Page 2-3'), 
     12 => Array ('id' => 12, 'parent' => 3, 'title' => 'Page 3-1'), 
     13 => Array ('id' => 13, 'parent' => 3, 'title' => 'Page 3-2'), 
     14 => Array ('id' => 14, 'parent' => 4, 'title' => 'Page 4-1'), 
     15 => Array ('id' => 15, 'parent' => 6, 'title' => 'Page 1-1-1'), 
     16 => Array ('id' => 16, 'parent' => 6, 'title' => 'Page 1-1-2'), 
     17 => Array ('id' => 17, 'parent' => 6, 'title' => 'Page 1-1-3'), 
     18 => Array ('id' => 18, 'parent' => 7, 'title' => 'Page 1-2-1'), 
     19 => Array ('id' => 19, 'parent' => 7, 'title' => 'Page 1-2-2'), 
     20 => Array ('id' => 20, 'parent' => 7, 'title' => 'Page 1-2-3'), 
     21 => Array ('id' => 21, 'parent' => 9, 'title' => 'Page 2-1-1'), 
     22 => Array ('id' => 22, 'parent' => 9, 'title' => 'Page 2-1-2'), 
     23 => Array('id' => 23, 'parent' => 12, 'title' => 'Page 2-3-3') 
    ); 


function recursive($parent, $array) { 
    $has_children = false; 
    foreach($array as $key => $value) { 
     if ($value['parent'] == $parent) {  
     if ($has_children === false && $parent) { 
      $has_children = true; 
     echo '<ul>' ."\n"; 
     } 
     echo '<li>' . "\n"; 
     echo '<a href="/page.php?id=' . $value['id'] . '">' . $value['title'] . '</a>' . " \n"; 
     echo "\n"; 
     recursive($key, $array); 
     echo "</li>\n"; 
    } 
     } 
    if ($has_children === true && $parent) echo "</ul>\n"; 
    } 
?> 
<!DOCTYPE HTML> 
<html> 
    <head> 
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
     <title>Untitled Document</title> 
    </head> 
    <body> 
     <ul><?php echo recursive(0, $nested); ?></ul> 
    </body> 
</html>

下面是数据出了SSRS报表服务器的一个例子。由于数据非常密集，它不适合代码窗口，所以我不得不堆叠两列。报告名称与路径中的最后一个元素相同，因此它有点多余。

数据库数据

PATH 
/Production/Analyst/POS Sales Excel Data Export 
/Production/Analyst/STATS Membership Tracking - RAW 
/Production/Information Technologies/IT Dashboard DUMMY 
/Production/Information Technologies/IT Department 
/Production/Membership/MDash 
/Production/Membership/Membership Dashboard 
/Production/Membership/Membership Reports/Membership Grid 
/Production/Membership/Membership Reports/Membership Grid by SU 
/Production/Membership/Membership Reports/Membership Pie Charts 
/Production/Membership/Membership Reports/Membership Sum Drill Down 
/Production/Membership/Membership Reports/POS Sales By Date and Location 
/Production/Membership/Stats/STATS Council Participation 
/Production/Membership/Stats/STATS Council SU Summary Adults 
/Production/Membership/Stats/STATS Council Summary Adults 
/Production/Membership/Stats/STATS Council Troop Summary Adults 
/Production/Membership/Stats/STATS Lifetime Stats 
/Production/Membership/Stats/STATS Membership Tracking 
/Production/Online Training (LMS)/LMS User ID Lookup 
/Production/Online Training (LMS)/Manager Training 2014 
/Production/Shop/POS Reports/POS Sales By Date and Location 
/Production/Shop/Shop Dashboard DUMMY 
/Production/SLT Dashboard/OLD Dashboard Membership_Overview 

NAME 
POS Sales Excel Data Export 
STATS Membership Tracking - RAW 
IT Dashboard DUMMY 
IT Department 
MDash 
Membership Dashboard 
Membership Grid 
Membership Grid by SU 
Membership Pie Charts 
Membership Sum Drill Down 
POS Sales By Date and Location 
STATS Council Participation 
STATS Council SU Summary Adults 
STATS Council Summary Adults 
STATS Council Troop Summary Adults 
STATS Lifetime Stats 
STATS Membership Tracking 
LMS User ID Lookup 
Manager Training 2014 
POS Sales By Date and Location 
Shop Dashboard DUMMY 
OLD Dashboard Membership_Overview

这些数据需要需要象下面这样的格式去与功能工作。该ID与我的目的无关，因为报告的链接与报告名称相同，因此我必须更改该功能以适合该报告。也就是说，我需要采取上面的路径，并将其转换为下面的数组。

阵列格式需要

$nested2 = Array 
(
1 => Array ('parent' => 0, 'title' => 'Analyst'), 
2 => Array ('parent' => 0, 'title' => 'Membership'), 
3 => Array ('parent' => 0, 'title' => 'SLT Dashboard'), 
4 => Array ('parent' => '1', 'title' => 'POS Sales Excel Data Export'), 
5 => Array ('parent' => '1', 'title' => 'STATS Membership Tracking - RAW'), 
6 => Array ('parent' => '2', 'title' => 'Membership Dashboard'), 
7 => Array ('parent' => '6', 'title' => 'Membership Grid'), 
8 => Array ('parent' => '6', 'title' => 'Membership Grid by Service Unit'),

）;

所以，我的问题是 - 怎么我的工作将数据转换成一个这样的数组？或者，使用不同的东西来创建列表会更好吗？我知道我可以通过列表迭代，可能需要每个元素比较报告名字就知道在哪里停止，父母是谁，等等，但在那之后那种迷失方向。

与往常一样，许多在此先感谢。

来源

2014-01-11 43rdworld

回答

0

我写了一个简单的解决方案（希望对你有用，你可以修改你的想法）。但我只用一节PATH（做什么用的部分NAME - 不明白）。

$filename = 'path.txt'; // put section PATH to file for convenience 
$lines = file($filename); 

$tree = array(); 

foreach($lines as $line){ 

    $items = array_filter(explode('/',$line)); 
    $branch = array(); 
    $ptr = &$branch; 
    foreach($items as $item){ 
     $ptr[$item] = Array(); 
     $ptr = &$ptr[$item]; 
    } 
    unset($ptr); 

    if (empty($tree)){ 
     $tree = $branch; 
    }else{ 
     $tree = array_merge_recursive($tree,$branch); 
    } 

} 

// output tree 
echo '<pre>'; 
var_dump($tree); 
echo '</pre>';

输出

array(1) { 

    ["Production"]=> 
     array(6) { 

      ["Analyst"]=> 
       array(2) { 
        ["POS Sales Excel Data Export"]=> array(0) {} 
        ["STATS Membership Tracking - RAW"]=> array(0) {} 
       } 

      ["Information Technologies"]=> 
       array(2) { 
        ["IT Dashboard DUMMY"]=> array(0) {} 
        ["IT Department"]=> array(0) {} 
       } 

      ["Membership"]=> 
       array(4) { 
        ["MDash"]=>array(0) {} 
        ["Membership Dashboard"]=> array(0) {} 
        ["Membership Reports"]=> 
          array(5) { 
           ["Membership Grid"]=> array(0) {} 
           ["Membership Grid by SU"]=> array(0) {} 
           ["Membership Pie Charts"]=> array(0) {} 
           ["Membership Sum Drill Down"]=> array(0) {} 
           ["POS Sales By Date and Location"]=> array(0) {} 
          } 
        ["Stats"]=> 
          array(6) { 
           ["STATS Council Participation"]=> array(0) {} 
           ["STATS Council SU Summary Adults"]=> array(0) {} 
           ["STATS Council Summary Adults"]=> array(0) {} 
           ["STATS Council Troop Summary Adults"]=>array(0) {} 
           ["STATS Lifetime Stats"]=> array(0) {} 
           ["STATS Membership Tracking"]=> array(0) {} 
          } 
        } 

     ["Online Training (LMS)"]=> 
       array(2) { 
        ["LMS User ID Lookup"]=> array(0) {} 
        ["Manager Training 2014"]=> array(0) {} 
        } 

     ["Shop"]=> 
       array(2) { 
        ["POS Reports"]=> 
          array(1) { 
           ["POS Sales By Date and Location"]=> array(0) {} 
          } 
        ["Shop Dashboard DUMMY"]=> array(0) {} 
        } 

     ["SLT Dashboard"]=> 
       array(1) { 
        ["OLD Dashboard Membership_Overview"]=> array(0) {} 
        } 
     } 
}

来源

2014-01-12 00:56:48 voodoo417

+0

感谢 - 这个名字只是数据我是从表中获取的第二列 - 正如我上面提到的，因为它是路径的一部分，它可能是无论如何。 – 43rdworld

+0

对不起 - 不知道有一个评论计时器....我有点看到你在做什么，但它不适用于该功能，我不知道该怎么做来改变它。如果我能得到它适合该功能的格式，我可以改变一些东西来处理数据库。任何关于如何做到这一点的指针？ – 43rdworld

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