相关表字段一览
category表
id
name 分类名称
topic_img_id 外键，关联image表
delete_time
description 描述
update_time
准备工作
application oute.php
Route::get('api/:version/category/all', 'api/:version.Category/getAllCategories');
异常处理
applicationlibexceptionCategoryException.php
<?php
namespace applibexception;
class CategoryException extends BaseException
{
public $code = 404;
public $msg = '指定类目不存在，请检查商品ID';
public $errorCode = 20000;
}
Category模型
applicationapimodelCategory.php
class Category extends BaseModel
{
public function img()
{
return $this->belongsTo('Image', 'topic_img_id', 'id');
}
}
Category控制器
applicationapicontrollerv1Category.php
class Category
{
public function getAllCategories()
{
$categories = CategoryModel::all([], 'img');
if($categories -> isEmpty()){
throw new CategoryException();
}
return $categories;
}
}
测试
