401 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			401 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * 后台管理系统-文章管理
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|  */
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| namespace app\admin\controller;
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| use app\admin\controller\Base;
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| use think\facade\Db;
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| use think\facade\View;
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| use think\facade\Request;
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| 
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| class Article extends Base
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| {
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|     // 文章列表
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|     public function articlelist()
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|     {
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|         if (Request::isPost()) {
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|             $category = input('post.category');
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|             $page = input('post.page', 1);
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|             $limit = input('post.limit', 20);
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|             
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|             $query = Db::table('yz_article')
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|                 ->where('delete_time', null)
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|                 ->where('status', '<>', 3);
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|             
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|             if (!empty($category)) {
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|                 // 先获取分类ID
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|                 $cateInfo = Db::table('yz_article_category')
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|                     ->where('name', $category)
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|                     ->where('delete_time', null)
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|                     ->where('status', 1)
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|                     ->find();
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|                 
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|                 if ($cateInfo) {
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|                     $query = $query->where('cate', $cateInfo['id']);
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|                 }
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|             }
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|             
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|             // 获取总记录数
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|             $count = $query->count();
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|             
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|             // 获取分页数据
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|             $lists = $query->order('id DESC')
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|                 ->page($page, $limit)
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|                 ->select()
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|                 ->each(function ($item) {
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|                     // 获取分类信息
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|                     $cateInfo = Db::table('yz_article_category')
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|                         ->where('id', $item['cate'])
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|                         ->field('name, image')
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|                         ->find();
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| 
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|                     // 设置分类名称
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|                     $item['cate'] = $cateInfo['name'];
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| 
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|                     // 如果文章没有图片,使用分类的图片
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|                     if (empty($item['image']) && !empty($cateInfo['image'])) {
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|                         $item['image'] = $cateInfo['image'];
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|                     }
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| 
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|                     // 格式化时间
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|                     $item['create_time'] = date('Y-m-d H:i:s', $item['create_time']);
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|                     $item['publishdate'] = $item['publishdate'] ? date('Y-m-d H:i:s', $item['publishdate']) : '';
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| 
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|                     return $item;
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|                 });
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| 
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|             return json([
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|                 'code' => 0, 
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|                 'msg' => '获取成功', 
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|                 'count' => $count,
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|                 'data' => $lists
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|             ]);
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|         } else {
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|             // 获取所有分类并构建父子结构
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|             $allCategories = Db::table('yz_article_category')
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|                 ->where('delete_time', null)
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|                 ->where('status', 1)
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|                 ->order('sort asc, id asc')
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|                 ->select()
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|                 ->toArray();
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| 
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|             $categories = [];
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|             foreach ($allCategories as $category) {
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|                 if ($category['cid'] == 0) {
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|                     $category['children'] = [];
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|                     foreach ($allCategories as $subCategory) {
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|                         if ($subCategory['cid'] == $category['id']) {
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|                             $category['children'][] = $subCategory;
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|                         }
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|                     }
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|                     $categories[] = $category;
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|                 }
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|             }
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| 
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|             View::assign([
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|                 'categories' => $categories
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|             ]);
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|             return View::fetch();
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|         }
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|     }
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| 
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|     // 添加文章
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|     public function add()
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|     {
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|         if (Request::isPost()) {
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|             $data = [
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|                 'title' => input('post.title'),
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|                 'cate' => input('post.cate'),
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|                 'image' => input('post.image'),
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|                 'content' => input('post.content'),
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|                 'author' => input('post.author'),
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|                 'desc' => input('post.desc'),
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|                 'status' => input('post.status', 2),
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|                 'publishdate' => time(),
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|                 'create_time' => time()
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|             ];
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| 
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|             $insert = Db::table('yz_article')->insert($data);
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|             if (empty($insert)) {
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|                 return json(['code' => 1, 'msg' => '添加失败', 'data' => []]);
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|             }
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|             return json(['code' => 0, 'msg' => '添加成功', 'data' => []]);
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|         } else {
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|             $lists = Db::table('yz_article')
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|                 ->order('id DESC')
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|                 ->select()
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|                 ->each(function ($item, $key) {
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|                     $item['create_time'] = time();
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|                     return $item;
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|                 });
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|             View::assign([
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|                 'lists' => $lists
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|             ]);
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|             return View::fetch();
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|         }
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|     }
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| 
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|     // 编辑文章
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|     public function edit()
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|     {
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|         if (Request::isPost()) {
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|             $id = input('get.id');
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|             $data = [
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|                 'title' => input('post.title'),
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|                 'cate' => input('post.cate'),
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|                 'image' => input('post.image'),
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|                 'content' => input('post.content'),
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|                 'author' => input('post.author'),
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|                 'desc' => input('post.desc'),
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|                 'status' => input('post.status', 2),
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|                 'update_time' => time()
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|             ];
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| 
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|             $update = Db::table('yz_article')->where('id', $id)->update($data);
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|             return json(['code' => $update === false ? 1 : 0, 'msg' => $update === false ? '更新失败' : '更新成功', 'data' => []]);
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|         } else {
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|             $id = input('get.id');
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|             $info = Db::table('yz_article')->where('id', $id)->find();
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|             if ($info === null) {
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|                 return json(['code' => 1, 'msg' => '文章不存在', 'data' => []]);
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|             }
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| 
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|             $cates = Db::table('yz_article_category')
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|                 ->where('delete_time', null)
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|                 ->where('status', 1)
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|                 ->order('sort asc, id asc')
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|                 ->select()
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|                 ->toArray();
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| 
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|             $info['content'] = !empty($info['content']) ? htmlspecialchars_decode(str_replace(["\r\n", "\r", "\n"], '', addslashes($info['content']))) : '';
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| 
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|             $currentCate = Db::table('yz_article_category')
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|                 ->where('id', $info['cate'])
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|                 ->where('delete_time', null)
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|                 ->where('status', 1)
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|                 ->find();
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|             $info['cate_name'] = $currentCate ? $currentCate['name'] : '';
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| 
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|             View::assign([
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|                 'info' => $info,
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|                 'cates' => $cates
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|             ]);
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|             return View::fetch();
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|         }
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|     }
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| 
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|     // 删除文章
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|     public function delete()
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|     {
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|         $id = input('post.id');
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|         $data = [
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|             'delete_time' => time(),
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|         ];
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|         $delete = Db::table('yz_article')->where('id', $id)->update($data);
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|         if ($delete === false) {
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|             return json(['code' => 1, 'msg' => '删除失败', 'data' => []]);
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|         }
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|         return json(['code' => 0, 'msg' => '删除成功', 'data' => []]);
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|     }
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| 
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|     // 文章分类
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|     public function articlecate()
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|     {
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|         if (Request::isPost()) {
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|             $lists = Db::table('yz_article_category')
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|                 ->where('delete_time', null)
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|                 ->where('status', 1)
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|                 ->order('sort asc, id asc')
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|                 ->select()
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|                 ->toArray();
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| 
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|             // 构建树形结构
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|             $tree = [];
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|             foreach ($lists as $item) {
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|                 if ($item['cid'] == 0) {
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|                     $node = [
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|                         'id' => $item['id'],
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|                         'title' => $item['name'],
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|                         'children' => []
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|                     ];
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|                     
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|                     // 查找子分类
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|                     foreach ($lists as $subItem) {
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|                         if ($subItem['cid'] == $item['id']) {
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|                             $node['children'][] = [
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|                                 'id' => $subItem['id'],
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|                                 'title' => $subItem['name'],
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|                                 'children' => []
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|                             ];
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|                         }
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|                     }
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|                     
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|                     $tree[] = $node;
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|                 }
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|             }
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| 
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|             return json(['code' => 0, 'msg' => '获取成功', 'data' => $tree]);
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|         }
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|         
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|         // 非 POST 请求返回视图
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|         return View::fetch();
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|     }
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| 
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|     //获取分类结构
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|     public function getcate()
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|     {
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|         // 获取所有分类
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|         $lists = Db::table('yz_article_category')
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|             ->where('delete_time', null)
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|             ->where('status', 1)
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|             ->order('sort asc, id asc')
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|             ->select()
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|             ->toArray();
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| 
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|         // 构建父子结构
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|         $tree = [];
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|         foreach ($lists as $item) {
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|             if ($item['cid'] == 0) {
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|                 // 顶级分类
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|                 $tree[] = $item;
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|             } else {
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|                 // 子分类
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|                 foreach ($tree as &$parent) {
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|                     if ($parent['id'] == $item['cid']) {
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|                         if (!isset($parent['children'])) {
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|                             $parent['children'] = [];
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|                         }
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|                         $parent['children'][] = $item;
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|                         break;
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|                     }
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|                 }
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|             }
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|         }
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| 
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|         return json(['code' => 0, 'msg' => '获取成功', 'data' => $tree]);
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|     }
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| 
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|     // 添加文章分类
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|     public function cateadd()
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|     {
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|         if (Request::isPost()) {
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|             $data = [
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|                 'name' => input('post.name'),
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|                 'image' => input('post.image'),
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|                 'cid' => input('post.cid'),
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|                 'sort' => input('post.sort', 0),
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|                 'status' => input('post.status', 1),
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|                 'create_time' => time()
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|             ];
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| 
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|             $insert = Db::table('yz_article_category')->insert($data);
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|             if (empty($insert)) {
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|                 return json(['code' => 1, 'msg' => '添加失败', 'data' => []]);
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|             }
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|             return json(['code' => 0, 'msg' => '添加成功', 'data' => []]);
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|         } else {
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|             // 获取所有可选的父级分类
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|             $parentCategories = Db::table('yz_article_category')
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|                 ->where('delete_time', null)
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|                 ->where('status', 1)
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|                 ->where('cid', 0)
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|                 ->field('id, name')
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|                 ->select()
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|                 ->toArray();
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| 
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|             return json([
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|                 'code' => 0,
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|                 'msg' => '获取成功',
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|                 'data' => [
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|                     'parentOptions' => $parentCategories
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|                 ]
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|             ]);
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|         }
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|     }
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| 
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|     //编辑文章分类
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|     public function cateedit()
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|     {
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|         if (Request::isPost()) {
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|             $data = [
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|                 'id' => input('post.id'),
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|                 'name' => input('post.name'),
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|                 'image' => input('post.image'),
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|                 'cid' => input('post.cid'),
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|                 'sort' => input('post.sort', 0),
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|                 'status' => input('post.status', 1),
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|                 'update_time' => time()
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|             ];
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| 
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|             $update = Db::table('yz_article_category')
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|                 ->where('id', $data['id'])
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|                 ->update($data);
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| 
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|             if ($update === false) {
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|                 return json(['code' => 1, 'msg' => '更新失败', 'data' => []]);
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|             }
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|             return json(['code' => 0, 'msg' => '更新成功', 'data' => []]);
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|         } else {
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|             $id = input('get.id');
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|             $info = Db::table('yz_article_category')->where('id', $id)->find();
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|             
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|             // 获取所有可选的父级分类
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|             $parentCategories = Db::table('yz_article_category')
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|                 ->where('delete_time', null)
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|                 ->where('status', 1)
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|                 ->where('id', '<>', $id) // 排除自己
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|                 ->where(function ($query) use ($id) {
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|                     // 排除自己的所有子分类
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|                     $query->where('cid', '<>', $id);
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|                 })
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|                 ->field('id, name, cid')
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|                 ->select()
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|                 ->toArray();
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| 
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|             // 构建父级分类选项
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|             $parentOptions = [];
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|             foreach ($parentCategories as $category) {
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|                 if ($category['cid'] == 0) {
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|                     $parentOptions[] = [
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|                         'id' => $category['id'],
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|                         'name' => $category['name']
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|                     ];
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|                 }
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|             }
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| 
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|             return json([
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|                 'code' => 0,
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|                 'msg' => '获取成功',
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|                 'data' => [
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|                     'info' => $info,
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|                     'parentOptions' => $parentOptions
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|                 ]
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|             ]);
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|         }
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|     }
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| 
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|     //删除文章分类
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|     public function catedel()
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|     {
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|         $id = input('post.id');
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| 
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|         // 检查是否有子分类
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|         $hasChildren = Db::table('yz_article_category')
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|             ->where('cid', $id)
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|             ->where('delete_time', null)
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|             ->find();
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| 
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|         if ($hasChildren) {
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|             return json(['code' => 1, 'msg' => '该分类下有子分类,无法删除', 'data' => []]);
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|         }
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| 
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|         $delete = Db::table('yz_article_category')
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|             ->where('id', $id)
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|             ->update(['delete_time' => time()]);
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| 
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|         if ($delete === false) {
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|             return json(['code' => 1, 'msg' => '删除失败', 'data' => []]);
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|         }
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|         return json(['code' => 0, 'msg' => '删除成功', 'data' => []]);
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|     }
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| } | 
