增加从文件自动导入数据库命令；增加描述列表组件（未完成）

database/seeds/InitPost.php

@@ -0,0 +1,61 @@
+<?php
+
+use app\model\Category;
+use app\model\Post;
+use think\facade\App;
+use think\facade\Config;
+use think\migration\Seeder;
+
+class InitPost extends Seeder
+{
+    /**
+     * Run Method.
+     *
+     * Write your database seeder using this method.
+     *
+     * More information on writing seeders is available here:
+     * http://docs.phinx.org/en/latest/seeding.html
+     */
+    public function run()
+    {
+        $list_category = ['起步' => [], '组件' => ['tpl_name' => 'pc'], '扩展' => []];
+
+        foreach ($list_category as $category_title => &$category_data) {
+            $model_category =  Category::where('title', $category_title)->find();
+
+            if (empty($model_category)) {
+                $model_category = Category::create([
+                    'title' => $category_title,
+                    'tpl_name' => $category_data['tpl_name'] ?? '',
+                    'status' => 1
+                ]);
+            }
+
+            $category_data['model'] = $model_category;
+        }
+
+        $demo_pc_dir = App::getRootPath() . '/demo/pc';
+
+        $list_demo_file = scandir($demo_pc_dir);
+
+
+
+        foreach ($list_demo_file as  $file_name) {
+            $file_name = str_replace(['.html', '.', '..',], '', $file_name);
+
+            if (empty($file_name)) {
+                continue;
+            }
+
+            $model_post = Post::where('tpl_name', $file_name)->find();
+            if (empty($model_post)) {
+                $model_post = new Post();
+                $model_post->tpl_name = $file_name;
+                $model_post->title = Config::get("demo.{$file_name}.title", $file_name);
+                $model_post->desc = Config::get("demo.{$file_name}.desc", $file_name);
+                $model_post->category_id = $list_category['组件']['model']['id'];
+                $model_post->save();
+            }
+        }
+    }
+}