THINKPHP3.2.3含有树形结构的无限分类的实现-PHP源码-php.cn

THINKPHP3.2.3含有树形结构的无限分类的实现
<?php
namespace CommonHelper;

class Category {

//一维数组
 static public function toLevel($cate, $delimiter = &#39;———&#39;, $parent_id = 0, $level = 0) {

 $arr = array();
 foreach ($cate as $v) {
 if ($v[&#39;parent_id&#39;] == $parent_id) {
 $v[&#39;level&#39;] = $level + 1;
 $v[&#39;delimiter&#39;] = str_repeat($delimiter, $level);
 $arr[] = $v;
 $arr = array_merge($arr, self::toLevel($cate, $delimiter, $v[&#39;id&#39;], $v[&#39;level&#39;]));
}
}

 return $arr;

}


//组成多维数组
 static public function toLayer($cate, $name = &#39;child&#39;, $pid = 0){

 $arr = array();
 foreach ($cate as $v) {
 if ($v[&#39;pid&#39;] == $pid) {
 $v[$name] = self::toLayer($cate, $name, $v[&#39;id&#39;]);
 $arr[] = $v;
}
}

 return $arr;
}


 //一维数组(同模型)(model = tablename相同)，删除其他模型的分类
 static public function getLevelOfModel($cate, $tablename = &#39;article&#39;) {

 $arr = array();
 foreach ($cate as $v) {
 if ($v[&#39;tablename&#39;] == $tablename) {
 $arr[] = $v;
}
}

 return $arr;

}

//一维数组(同模型)(modelid)，删除其他模型的分类
 static public function getLevelOfModelId($cate, $modelid = 0) {

 $arr = array();
 foreach ($cate as $v) {
 if ($v[&#39;modelid&#39;] == $modelid) {
 $arr[] = $v;
}
}

 return $arr;

}

//传递一个子分类ID返回他的所有父级分类
 static public function getParents($cate, $id) {
 $arr = array();
 foreach ($cate as $v) {
 if ($v[&#39;id&#39;] == $id) {
 $arr[] = $v;
 $arr = array_merge(self::getParents($cate, $v[&#39;pid&#39;]), $arr);
}
}
 return $arr;
}

//传递一个子分类ID返回他的同级分类
 static public function getSameCate($cate, $id) {
 $arr = array();
 $self = self::getSelf($cate, $id);
 if (empty($self)) {
 return $arr;
}

 foreach ($cate as $v) {
 if ($v[&#39;id&#39;] == $self[&#39;pid&#39;]) {
 $arr[] = $v;
}
}
 return $arr;
}



//判断分类是否有子分类,返回false,true
 static public function hasChild($cate, $id) {
 $arr = false;
 foreach ($cate as $v) {
 if ($v[&#39;pid&#39;] == $id) {
 $arr = true;
 return $arr;
}
}

 return $arr;
}

//传递一个父级分类ID返回所有子分类ID
/**
 *@param $cate 全部分类数组
 *@param $pid 父级ID
 *@param $flag 是否包括父级自己的ID，默认不包括
**/
 static public function getChildsId($cate, $pid, $flag = 0) {
 $arr = array();
 if ($flag) {
 $arr[] = $pid;
}
 foreach ($cate as $v) {
 if ($v[&#39;pid&#39;] == $pid) {
 $arr[] = $v[&#39;id&#39;];
 $arr = array_merge($arr , self::getChildsId($cate, $v[&#39;id&#39;]));
}
}

 return $arr;
}


//传递一个父级分类ID返回所有子级分类
 static public function getChilds($cate, $pid) {
 $arr = array();
 foreach ($cate as $v) {
 if ($v[&#39;pid&#39;] == $pid) {
 $arr[] = $v;
 $arr = array_merge($arr, self::getChilds($cate, $v[&#39;id&#39;]));
}
}
 return $arr;
}

//传递一个分类ID返回该分类相当信息
 static public function getSelf($cate, $id) {
 $arr = array();
 foreach ($cate as $v) {
 if ($v[&#39;id&#39;] == $id) {
 $arr = $v;
 return $arr;
}
}
 return $arr;
}

//传递一个分类ID返回该分类相当信息
 static public function getSelfByEName($cate, $ename) {
 $arr = array();
 foreach ($cate as $v) {
 if ($v[&#39;ename&#39;] == $ename) {
 $arr = $v;
 return $arr;
}
}
 return $arr;
}

}

?>
<?php
namespace AdminController;
use ThinkController;
use CommonHelperCategory;
class CategoryController extends AuthController {
//栏目列表页
 public function index(){
 $category_list = M(&#39;category&#39;)->order(&#39;sort desc&#39;)->select();
 $category_list = Category::toLevel($category_list, &#39;    &#39;,0);

 $this->assign(&#39;category_list&#39;, $category_list);
$this->display(&#39;category_list&#39;);
}

 //增加 栏目页面
 public function add(){
 $parent_id = I(&#39;parent_id&#39;, 0);

 $parent_category_info = M(&#39;Category&#39;)->where(array(&#39;id&#39; => $parent_id))->find();

if($parent_category_info){
 $this->assign(&#39;parent_id&#39;, $parent_id);
 $this->assign(&#39;parent_category_info&#39;, $parent_category_info);
}


 $model_list = M(&#39;Model&#39;)->where(array(&#39;status&#39; => 1))->order(&#39;sort asc&#39;)->select();

 $category_list = M(&#39;category&#39;)->order(&#39;sort desc&#39;)->select();
 $category_list = Category::toLevel($category_list, &#39;---&#39;,0);

 $this->assign(&#39;category_list&#39;, $category_list);
 $this->assign(&#39;action&#39;, &#39;add&#39;);
 $this->assign(&#39;model_list&#39;, $model_list);
$this->display(&#39;category_add&#39;);
}


//修改栏目
 public function edit(){
 $category_id = I(&#39;id&#39;);
 $category_info = M(&#39;Category&#39;)->find($category_id);
 $model_list = M(&#39;Model&#39;)->order(&#39;sort desc&#39;)->select();

 $category_list = M(&#39;category&#39;)->order(&#39;sort desc&#39;)->select();
 $category_list = Category::toLevel($category_list, &#39;---&#39;,0);

 $this->assign(&#39;category_list&#39;, $category_list);
 $this->assign(&#39;action&#39;, &#39;edit&#39;);
 $this->assign(&#39;category_id&#39;, $category_id);
 $this->assign(&#39;category_info&#39;, $category_info);
 $this->assign(&#39;model_list&#39;, $model_list);

$this->display(&#39;category_add&#39;);
}

//保存栏目
 public function save(){
 $Category = D("Category");
 if (!$Category->create()){
 //验证没有通过 输出错误提示信息
 $errormsg = $Category->getError();
$this->error($errormsg);
}else{
 // 验证通过进行其他数据操作
 $id = I(&#39;id&#39;, 0);

 $data[&#39;title&#39;] = I(&#39;title&#39;, &#39;&#39;);
 $data[&#39;flag&#39;] = I(&#39;flag&#39;, &#39;&#39;);
 $data[&#39;parent_id&#39;] = I(&#39;parent_id&#39;, 0);
 $data[&#39;content&#39;] = I(&#39;content&#39;, &#39;&#39;);
 $data[&#39;sort&#39;] = I(&#39;sort&#39;, 0);
 $data[&#39;status&#39;] = I(&#39;status&#39;, 1);
 $data[&#39;is_show&#39;] = I(&#39;is_show&#39;, 1);
 $data[&#39;has_cover&#39;] = I(&#39;has_cover&#39;, 1);
 $data[&#39;cover&#39;] = I(&#39;cover&#39;, &#39;&#39;);

 $category_info = $Category->find($id);
if($category_info){
//更新操作
 $data[&#39;update_time&#39;] = time();

 $result = $Category->where(array(&#39;id&#39; => $id))->save($data);
 if(false !== $result || 0 !== $result){
 $this->success(&#39;栏目更新成功&#39;, U(&#39;Admin/Category/index&#39;));
}else{
$this->error(&#39;栏目更新失败&#39;);
}
}else{
 $data[&#39;model_id&#39;] = I(&#39;model_id&#39;, 0);
 $data[&#39;model_flag&#39;] = M(&#39;Model&#39;)->where(array(&#39;id&#39; => I(&#39;model_id&#39;)))->getField(&#39;flag&#39;);
 $data[&#39;add_time&#39;] = time();

//print_r($data);exit;

 $result = $Category->add($data);
if($result){
 $this->success(&#39;栏目添加成功&#39;, U(&#39;Admin/Category/index&#39;));
}else{
$this->error(&#39;栏目添加失败&#39;);
}
}
}
}

//更新状态
 public function change_status()
{
 $id = I(&#39;id&#39;);

 $Category = M(&#39;Category&#39;);
 $category_info = $Category->find($id);
if(!$category_info){
 $this->ajaxReturn(array(&#39;info&#39; => &#39;该栏目不存在&#39;));
}else{
if($category_info[&#39;status&#39;]){
 $status = 0;
}else{
 $status = 1;
}
 $result = $Category->where(array(&#39;id&#39; => $id))->setField(&#39;status&#39;,$status);
 if(false != $result){
 $this->ajaxReturn(array(&#39;status&#39; => &#39;ok&#39;, &#39;info&#39; => &#39;栏目状态更新成功&#39;));
}else{
 $this->ajaxReturn(array(&#39;info&#39; => &#39;栏目状态更新失败&#39;));
}
}

}

//保存排序
 public function save_sort()
{
 $id = I(&#39;id&#39;);
 $sort = I(&#39;sort&#39;);

 $Category = M(&#39;Category&#39;);
 $result = $Category->where(array(&#39;id&#39; => $id))->setField(&#39;sort&#39;,$sort);
 if(false !== $result || 0 !== $result){
 $this->ajaxReturn(array(&#39;status&#39; => &#39;ok&#39;, &#39;info&#39; => &#39;排序更新成功&#39;));
}else{
 $this->ajaxReturn(array(&#39;info&#39; => &#39;排序更新失败&#39;));
}
}

//删除栏目
 public function delete()
{
 $id = I(&#39;id&#39;);

 $Category = M(&#39;Category&#39;);
 $category_info = $Category->find($id);
if(!$category_info){
 return array(&#39;info&#39; => &#39;该模型不存在&#39;);
 }else if($category_info[&#39;is_system&#39;]){
 return array(&#39;info&#39; => &#39;系统模型不允许删除&#39;);
}else{
 $result = $Category->delete($id);
if($result){
 $this->ajaxReturn(array(&#39;status&#39; => &#39;ok&#39;, &#39;info&#39; => &#39;栏目删除成功&#39;));
}else{
 $this->ajaxReturn(array(&#39;info&#39; => &#39;栏目删除失败&#39;));
}
}
}

}
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