php多级树形菜单代码
发布时间：2016-10-17 编辑：jiaochengji.com
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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。
数据库结果
<center>
</center>
打印如下：
[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：
<center>
</center>
打印如下：
[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：
<table width="620" align="center" border="0" cellpadding="1" cellspacing="1" style="background:#FB7"> <tr> <td width="464" height="27" bgcolor="#FFE7CE"> 代码如下</td> <td width="109" align="center" bgcolor="#FFE7CE" style="cursor:pointer;" onclick="doCopy('copy9535')">复制代码</td> </tr> <tr> <td height="auto" colspan="2" valign="top" bgcolor="#FFFFFF" style="padding:10px;" class="copyclass" id=copy9535>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 $tree;
}
函数2转化为html代码：
<table width="620" align="center" border="0" cellpadding="1" cellspacing="1" style="background:#FB7"> <tr> <td width="464" height="27" bgcolor="#FFE7CE"> 代码如下</td> <td width="109" align="center" bgcolor="#FFE7CE" style="cursor:pointer;" onclick="doCopy('copy7707')">复制代码</td> </tr> <tr> <td height="auto" colspan="2" valign="top" bgcolor="#FFFFFF" style="padding:10px;" class="copyclass" id=copy7707>function procHtml($tree){
$html = '';
foreach($tree as $t)
{
if($t['pid'] == '')
{
$html .= "<li>{$t['fzname']}</li>";
}
else
{
$html .= "<li>".$t['fzname'];
$html .= $this->procHtml($t['pid']);
$html = $html."</li>";
}
}
return $html ? '<ul>'.$html.'</ul>' : $html ;
}
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