ThinkPHP菜单无极分类实例讲解
后台
/**
* 菜单列表
*/
public function index(){
$menuList= Db::name('menu')->order('sort,id')->select();
//递归排序
$menuList= $this->sort($menuList);
$this->assign('menuList',$menuList);
return view();
}
protected function sort($data,$pid=0,$level=0){
//此处数据必须是静态数组，不然递归的时候每次都会声明一个新的数组
static $arr = array();
foreach ($data as $key=>$value){
if($value['pid'] == $pid){
$value["level"]=$level;
$arr[]=$value;
//unset()用于销毁指定的变量
unset($this->data[$key]);
$this->sort($data,$value['id'],$level+1);
}
}
return $arr;
}前段
<tbody>
{volist name="menuList" id="vo" key="index"}
<tr>
<td class="text-left">
<?php
if($vo['pid']!=0)
echo str_repeat(" ",$vo["level"]*3).'├╌ '
/*str_repeat()函数把字符串重复指定的次数。*/
?>
{$vo.name}
</td>
</tr>
{/volist}
</tbody>
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