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app/Http/Controllers/IndexController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Advert;
+use App\Models\Article;
+use App\Models\Link;
+
+class IndexController extends Controller
+{
+
+    /**
+     * Notes: 首页
+     * @Author: 玄尘
+     * @Date  : 2020/6/1 9:11
+     */
+    public function index()
+    {
+        $fydt  = $this->getArticle([6], 9);                 //分院动态
+        $kydt  = $this->getArticle([9], 9);                 //科研动态
+        $ldbz  = $this->getArticle([3], 4);                 //领导班子
+        $kycg  = $this->getArticle([10], 8);                //科研成果
+        $rctd  = $this->getArticle([4], 9);                 //人才团队介绍
+        $info  = Article::where('category_id', 2)->first(); //院所介绍
+        $links = Link::get();
+
+        $advert        = Advert::where('category_id', 26)->latest('sort')->first();
+        $center_advert = Advert::where('category_id', 28)->latest('sort')->first();
+
+        return view('index.index', compact('advert', 'center_advert', 'fydt', 'kydt', 'ldbz', 'kycg', 'rctd', 'info'));
+    }
+
+    //通用获取文章
+    public function getArticle($category_ids, $take = 3)
+    {
+        return Article::whereIn('category_id', $category_ids)
+                      ->select('id', 'description', 'title', 'created_at', 'cover', 'content')
+                      ->latest('sort')
+                      ->latest()
+                      ->take($take)
+                      ->get();
+    }
+
+}