laravel-api(dingo) Include 机制
2018年11月13日lnclude机制的主要作用就是, 获取这个数据的,关于的额外数据。
1.编辑变形金刚文件
打开app\Transformers\TopicTransformer.php
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<?php namespace App\Transformers; use App\Models\Topic; #引入文章模型 use League\Fractal\TransformerAbstract; #引入数据转换类 class TopicTransformer extends TransformerAbstract { protected $availableIncludes = ['user', 'category']; /** * 数据转化类 * @param Topic $topic * @return array */ public function transform(Topic $topic) { return [ 'id' => $topic->id, 'title' => $topic->title, 'body' => $topic->body, 'user_id' => (int)$topic->user_id, 'category_id' => (int)$topic->category_id, 'reply_count' => (int)$topic->reply_count, 'view_count' => (int)$topic->view_count, 'last_reply_user_id' => (int)$topic->last_reply_user_id, 'excerpt' => $topic->excerpt, 'slug' => $topic->slug, 'created_at' => $topic->created_at->toDateTimeString(), 'updated_at' => $topic->updated_at->toDateTimeString(), ]; } /** * 引入用户信息,首先模型当中要有这个user方法 * @param Topic $topic * @return mixed */ public function includeUser(Topic $topic) { return $this->item($topic->user, new UserTransformer()); } /** * 引入分类信息,首先模型中要有这个category方法 * @param Topic $topic * @return mixed */ public function includeCategory(Topic $topic) { return $this->item($topic->category, new CategoryTransformer()); } } |
2.开始测试数据
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{{host}}/api/topics?include=user,category {{host}}/api/topics?include=category {{host}}/api/topics?include=user |
