Laravel路线模型与关系的绑定 [英] Laravel Route model binding with relationship

问题描述

我想知道是否可以与laravels Route模型绑定返回关系吗?

I am wondering if it is possible to return a relationship with laravels Route model binding ?

说是一个具有与其他用户朋友"关系的用户模型，我想同时从路由或控制器返回用户信息和关系.

Say is a have a user model with a relationship 'friends' to other users, and I want to return both the user info and the relationship from a route or controller.

例如路线domain.tld/user/123

Route::model('user', 'User');

Route::get('/user/{user}', function(User $user) {

    return Response::json($user);

});

这将向我返回用户信息，但我也希望建立关系，是否有任何简单/适当的方法?

this will return me the user info fine but I also want the relationships, is there any easy/proper way to do this ?

我知道我可以做到

Route::get('/user/{user}', function((User $user) {

    return Response::json(User::find($user['id'])->with('friends')->get());

});

或

Route::get('/user/{id}', function(($id) {

   return Response::json(User::find($id)->with('friends')->get());

});

但我怀疑可能会有更好的方法.

but I suspect there may be a better way.

推荐答案

您可以在用户模型中填充$with属性.像这样；

You can populate the $with property in the User model. Like so;

protected $with = ['friends'];

这将自动为您自动加载关系数据.

This will autoload the relationship data for you automatically.

请注意:，这将针对每个用户模型查询执行.

Please Note: This will do it for every user model query.

如果您不希望一直加载朋友，则可以将其绑定到路由中的参数，就像这样；

If you dont want friends to be loaded all the time, then you can bind it to the parameter within your route, like so;

Route::bind('user_id', function($id) {
    return User::with('friends')->findOrFail($id);
});

Route::get('/user/{user_id}', 'BlogController@viewPost');

这篇关于Laravel路线模型与关系的绑定的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！