thinkphp frame Onethink Background support level three menu

Onethink Background Support level three menu, CMS Admin 1.0 version itself does not support the three level menu, a little change, you can support the Unlimited class classification

/**
* Get the Controller menu array, the level two menu element is located in the ' _child ' element of the first level menu
* @author Zhuyaje <xcoolcc@gmail.com>
*/
Final public Function Getmenus ($controller =controller_name) {
$menus = Session (' Admin_menu_list '. $controller);

$flag =false;//to open menu level three menus

if (empty ($menus)) {
Get main Menu
$where [' pid '] = 0;
$where [' hide '] = 0;
if (! C (' Develop_mode ')) {//whether developer mode
$where [' is_dev '] = 0;
}
$menus [' main '] = M (' Menu ')->where ($where)->order (' sort ASC ')->select ();

$menus [' child '] = array (); Set child nodes

Highlight Main Menu
$current = M (' menu ')->where ("url like '%{$controller}/.") Action_name. " % ' ")->field (' id ')->find ();
if ($current) {
$nav = D (' Menu ')->getpath ($current [' id ']);
$nav _first_title = $nav [0][' title];

foreach ($menus [' main '] as $key => $item) {
if (!is_array ($item) | | empty ($item [' title ']) | | empty ($item [' URL '])] {
$this->error (' Controller base class $menus attribute element configured incorrectly ');
}
if (Stripos ($item [' url '],module_name)!==0) {
$item [' url '] = module_name. ' /'. $item [' url '];
}
To determine the main menu permissions
if (!is_root &&! $this->checkrule ($item [' URL '],authrulemodel::rule_main,null)] {
unset ($menus [' main '] [$key]);
continue;//Continue Cycling
}

Gets the submenu item for the current main menu
if ($item [' title '] = = $nav _first_title) {
$menus [' main '] [$key] [' class ']= ' current ';
Generate Child tree
$groups = M (' menu ')->where ("pid = {$item [' id ']}")->distinct (True)->field ("' Group '")->select ();
if ($groups) {
$groups = Array_column ($groups, ' group ');
}else{
$groups = Array ();
}

Get the legal URL of level two classification
$where = Array ();
$where [' pid '] = $item [' id '];
$where [' hide '] = 0;
if (! C (' Develop_mode ')) {//whether developer mode
$where [' is_dev '] = 0;
}
$second _urls = M (' Menu ')->where ($where)->getfield (' Id,url ');
$third _urlss=array ();

if (!empty ($second _urls) && $flag) {
foreach ($second _urls as $key => $v) {

$wheres = Array ();
$wheres [' pid '] = $key;
$wheres [' hide '] = 0;
if (! C (' Develop_mode ')) {//whether developer mode
$wheres [' is_dev '] = 0;
}
$third _urls[] = M (' Menu ')->where ($wheres)->getfield (' Id,url ');
foreach ($third _urls as $VV) {
foreach ($vv as $key => $vs) {
$third _urlss[$key]= $vs;
}
}
}
}

if (!is_root) {
Detect Menu Permissions
$to _check_urls = Array ();

foreach ($second _urls as $key => $to _check_url) {
if (Stripos ($to _check_url,module_name)!==0) {
$rule = module_name. ' /'. $to _check_url;
}else{
$rule = $to _check_url;
}
if ($this->checkrule ($rule, Authrulemodel::rule_url,null))
$to _check_urls[] = $to _check_url;
}
if (!empty ($third _urlss) && $flag) {
foreach ($third _urlss as $key => $to _check_urlss) {
if (Stripos ($to _check_urlss,module_name)!==0) {
$rules = module_name. ' /'. $to _check_urlss;
}else{
$rules = $to _check_urlss;
}
if ($this->checkrule ($rules, Authrulemodel::rule_url,null))

echo $rules. " <br/> ";
$to _check_urlsss[] = $to _CHECK_URLSS;
}
}

}

To generate a submenu tree by grouping
foreach ($groups as $g) {
$map = Array (' group ' => $g);
if (Isset ($to _check_urls)) {
if (Empty ($to _check_urls)) {
Does not have any permissions
Continue
}else{
$map [' url '] = Array (' In ', $to _check_urls);
}
}
$map [' pid '] = $item [' id '];
$map [' hide '] = 0;
if (! C (' Develop_mode ')) {//whether developer mode
$map [' is_dev '] = 0;
}
$menuList = M (' Menu ')->where ($map)->field (' Id,pid,title,url,tip ')->order (' sort ASC ')->select ();

$menus [' Child '] [$g] = List_to_tree ($menuList, ' id ', ' pid ', ' Operater ', $item [' id ']);
Support Level Three Menu
if (!empty ($menus [' Child '] [$g]) && $flag) {
foreach ($menuList as $key => $v) {
$maps [' pid '] = $v [' id '];
$menuLists = M (' Menu ')->where ($maps)->field (' Id,pid,title,url,tip ')->order (' sort ASC ')->select ();
$menus [' Child '] [$g] [$key] [' ttt '] = List_to_tree ($menuLists, ' id ', ' pid ', ' Operater ', $v [' id ']);
}
}
}
if ($menus [' child '] = = Array ()) {
$this->error (' main menu is missing submenu, please go to system = ' background menu management Add ');
}
}
}
}
Session (' Admin_menu_list '. $controller, $menus);
}
return $menus;
}

Then public/base.html

<!--sidebar-->
<div class= "sidebar" >
<!--Sub-navigation-->
<block name= "sidebar" >
<div class= "Sidebar-collapse" id= "Sidebar-collapse" >
<i class= "FA fa-angle-double-left" ><<</i>
</div>
<div id= "Subnav" class= "Subnav" >
<notempty name= "_extra_menu" >
{//Dynamic Extended menu//}
{: Extra_menu ($_extra_menu,$__menu__)}
</notempty>
<volist name= "__menu__.child" id= "Sub_menu" >
<!--Sub-navigation-->
<notempty name= "Sub_menu" >
<notempty name= "key" ><ul class= "Side-sub-menu" >
<volist name= "Sub_menu" id= "Menu" >
<li>
<a class= "Item" href= "{$menu. url| U} ">{$menu .title}</a>
</li>
</volist>
<notempty name= "MENU.TTT" >
<volist name= "menu.ttt" id= "Menus" >
<li>
<a class= "Item" href= "{$menus. url| U} ">{$menus .title}</a>
</li>
</volist>
</notempty>
</ul>
</notempty>
<!--/Sub-navigation-->
</volist>
</div>
</block>
<!--/Sub-navigation-->
</div>