PHP头条
热点：

PHP 递归生成树状行实例代码


热度2 评论 248
www.PHPzy.Com  网友分享于：       浏览数15188次

PHP 递归生成树状行实例代码


本文介绍 PHP 递归生成树状行实例代码

  1. <?php
  2.    header("content-type: text/html; charset=utf-8");
  3.    $connect = mysql_connect(localhost, root, 123456);
  4.    mysql_select_db("wz");
  5.    mysql_query("set names utf8");
  6.     //获得顶节点
  7.    $sql = "select id, name,ischild from tree where parent = 0 order by id asc";
  8.    $result = mysql_query($sql);
  9.    while($row = mysql_fetch_array($result))
  10.    {
  11.       extract($row);
  12.          //如果有子节点，就在前面加个事件，以便展开或者关闭子节点
  13.       $icon = $ischild ? "<a href=javascript.:expand("div$id");> </a>":"-";
  14.       $name = $icon . $name;
  15.       echo "<div id=div" . $id . ">" . $name;
  16.       if($ischild)
  17.        {
  18.                   //递归获取节点
  19.            getNode($id, 0);
  20.       }
  21.       echo "</div>";
  22.    }
  24.    function getNode($id, $level)
  25.    {
  26.       $sql = "select id, name, ischild from tree where parent = $id order by id asc ";
  27.        $result = mysql_query($sql);
  28.       $level ;
  29.      while($row = mysql_fetch_array($result))
  30.     {
  31.          extract($row);
  32.            $icon = $ischild ? "<a href=javascript.:expand("div$id");> </a>":"-";
  33.           $name = $icon . $name;  
  34.           echo "<div id=div" . $id . ">" . echoChar("    ", $level)  . $name;
  35.          if($ischild)
  36.            {
  37.              getNode($id, $level);
  38.           }
  39.           echo "</div>";
  40.      }
  41.    }
  42.    
  43.   function echoChar($char, $num)
  44.   {
  45.        for($i=0;$i< $num; $i )
  46.       {
  47.           $strChar .= $char;
  48.       }
  49.       return $strChar;
  50.    }
  51.    ?>
  52.    <script language="javascript">
  53.        function expand(id)
  54.       {
  55.            var obj = document.getElementById(id).childNodes;
  56.            for(var i=0;i<obj.length;i )
  57.            {
  58.               if(obj[i].nodeName == "DIV")
  59.                {
  60.                    switch(obj[i].style.display)
  61.                   {
  62.                        case "":
  63.                        case "block":
  64.                         obj[i].style.display = "none";
  65.                         break;
  66.                       case "none":
  67.                         obj[i].style.display = "block";
  68.                         break;
  69.                    }
  70.                }
  71.            }
  72.        }
  73.    </script>

www.phpzy.comtrue/phprm/24711.htmlTechArticlePHP 递归生成树状行实例代码 本文介绍 PHP 递归生成树状行实例代码 ?php header("content-type: text/html; charset=utf-8"); $connect = mysql_connect(localhost, root, 123456); mysql_select_db("wz"); mysql_query("set names...

相关文章

    暂无相关文章

PHP之友评论

今天推荐