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php多级树形菜单代码

WBOY
WBOYoriginal
2016-06-08 17:21:132179parcourir

树形菜单是很多应用中会碰到的一个算法，下文小编就为大家介绍php树形菜单实现方法。

<script>ec(2);</script>

数据库结果

 

php多级树形菜单代码


打印如下：

 代码如下 复制代码
array(7) {
  [0] => array(5) {
    ["id"] => string(1) "4"
    ["fzname"] => string(12) "山猫小号"
    ["userid"] => string(2) "12"
    ["pid"] => string(1) "0"
    ["time"] => string(10) "1413359977"
  }
  [1] => array(5) {
    ["id"] => string(1) "5"
    ["fzname"] => string(12) "山猫一组"
    ["userid"] => string(2) "12"
    ["pid"] => string(1) "4"
    ["time"] => string(10) "1413361206"
  }
  [2] => array(5) {
    ["id"] => string(1) "6"
    ["fzname"] => string(12) "山猫二组"
    ["userid"] => string(2) "12"
    ["pid"] => string(1) "4"
    ["time"] => string(10) "1413361225"
  }
  [3] => array(5) {
    ["id"] => string(1) "7"
    ["fzname"] => string(15) "山猫一组子"
    ["userid"] => string(2) "12"
    ["pid"] => string(1) "5"
    ["time"] => string(10) "1413361388"
  }
  [4] => array(5) {
    ["id"] => string(1) "8"
    ["fzname"] => string(15) "山猫一组子"
    ["userid"] => string(2) "12"
    ["pid"] => string(1) "5"
    ["time"] => string(10) "1413361409"
  }
  [5] => array(5) {
    ["id"] => string(1) "9"
    ["fzname"] => string(16) "山猫一组子3"
    ["userid"] => string(2) "12"
    ["pid"] => string(1) "5"
    ["time"] => string(10) "1413361460"
  }
  [6] => array(5) {
    ["id"] => string(2) "10"
    ["fzname"] => string(15) "山猫二组子"
    ["userid"] => string(2) "12"
    ["pid"] => string(1) "6"
    ["time"] => string(10) "1413361506"
  }
}

结果：

 

php多级树形菜单代码


 打印如下：

 代码如下 复制代码
array(1) {
  [0] => array(5) {
    ["id"] => string(1) "4"
    ["fzname"] => string(12) "山猫小号"
    ["userid"] => string(2) "12"
    ["pid"] => array(2) {
      [0] => array(5) {
        ["id"] => string(1) "5"
        ["fzname"] => string(12) "山猫一组"
        ["userid"] => string(2) "12"
        ["pid"] => array(3) {
          [0] => array(5) {
            ["id"] => string(1) "7"
            ["fzname"] => string(15) "山猫一组子"
            ["userid"] => string(2) "12"
            ["pid"] => string(0) ""
            ["time"] => string(10) "1413361388"
          }
          [1] => array(5) {
            ["id"] => string(1) "8"
            ["fzname"] => string(15) "山猫一组子"
            ["userid"] => string(2) "12"
            ["pid"] => string(0) ""
            ["time"] => string(10) "1413361409"
          }
          [2] => array(5) {
            ["id"] => string(1) "9"
            ["fzname"] => string(16) "山猫一组子3"
            ["userid"] => string(2) "12"
            ["pid"] => string(0) ""
            ["time"] => string(10) "1413361460"
          }
        }
        ["time"] => string(10) "1413361206"
      }
      [1] => array(5) {
        ["id"] => string(1) "6"
        ["fzname"] => string(12) "山猫二组"
        ["userid"] => string(2) "12"
        ["pid"] => array(1) {
          [0] => array(5) {
            ["id"] => string(2) "10"
            ["fzname"] => string(15) "山猫二组子"
            ["userid"] => string(2) "12"
            ["pid"] => string(0) ""
            ["time"] => string(10) "1413361506"
          }
        }
        ["time"] => string(10) "1413361225"
      }
    }
    ["time"] => string(10) "1413359977"
  }
}

工用到两个函数1生成树形代码：

 代码如下 复制代码
function getTree($data, $pId)
{
$tree = '';
foreach($data as $k => $v)
{
   if($v['pid'] == $pId)
   {
    $v['pid'] = $this->getTree($data, $v['id']);
    $tree[] = $v;
    //unset($data[$k]);
   }
}
return $tree;
}

函数2转化为html代码：

 代码如下 复制代码
function procHtml($tree)
{
$html = '';
foreach($tree as $t)
{
   if($t['pid'] == '')
   {
    $html .= "
  • {$t['fzname']}
    • ";
       }
       else
       {
        $html .= "
  • ".$t['fzname'];
        $html .= $this->procHtml($t['pid']);
        $html = $html."
    • ";
       }
    }
    return $html ? '
      '.$html.'
    ' : $html ;
    }
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