這是我的關(guān)系函數(shù)public function comments(){ return $this->hasMany(Comment::class);}這是我的控制器public function allComments($id){ $id=(int)$id; $post=Post::find($id); $comments=$post->comments; return dd($comments);}當(dāng)我收到關(guān)系船的評論并返回時顯示[ { "id":48, "user_id":1, "post_id":17, "isactive":1, "body":"s", "created_at":"2019-08-24 02:53:54", "updated_at":"2019-08-24 02:53:54"}, { "id":78, "user_id":1, "post_id":17, "isactive":1, "body":"s", "created_at":"2019-08-24 02:54:06", "updated_at":"2019-08-24 02:54:06" }, { "id":79, "user_id":1, "post_id":17, "isactive":1, "body":"s", "created_at":"2019-08-24 02:54:06", "updated_at":"2019-08-24 02:54:06" }, { "id":80, "user_id":2, "post_id":17, "isactive":1, "body":"\u06a9\u06cc\u0631 \u062e\u0631\u06cc", "created_at":"2019-08-25 06:48:51", "updated_at":"2019-08-24 06:48:51" }, { "id":102, "user_id":2, "post_id":17, "isactive":1, "body":"\u0628", "created_at":"2019-08-25 01:32:39", "updated_at":"2019-08-25 01:32:39" }, { "id":103, "user_id":2, "post_id":17, "isactive":1, "body":"\u0645\u0646 \u0628\u0627\u06cc\u062f \u0627\u0648\u0644 \u0628\u0627\u0634\u0645", "created_at":"2019-08-25 01:35:13", "updated_at":"2019-08-25 01:35:13" }, { "id":104, "user_id":2, "post_id":17, "isactive":1, "body":"\u0645\u0646 \u0627\u0648\u0644\u0645", "created_at":"2019-08-25 02:01:32", "updated_at":"2019-08-25 02:01:32" }, { "id":105, "user_id":2, "post_id":17, "isactive":1, "body":"\u0627\u0648\u0644 \u0634\u062f\u0645", "created_at":"2019-08-25 02:02:18", "updated_at":"2019-08-25 02:02:18" }]我不想要它，我只想按created_at對其進(jìn)行排序，但它是這樣顯示的（這是字典嗎？）
2 回答
叮當(dāng)貓咪
TA貢獻(xiàn)1776條經(jīng)驗(yàn) 獲得超12個贊
要在應(yīng)用過濾器后刪除對象鍵sortByDesc()，您可以附加values()then all()：
public function allComments($id)
{
$id=(int)$id;
$post=Post::find($id);
$comments=$post->comments->sortByDesc('created_at')->values()->all();
return $comments;
}
蠱毒傳說
TA貢獻(xiàn)1895條經(jīng)驗(yàn) 獲得超3個贊
使用Laravel Collection 的values()功能。這將從結(jié)果集合中刪除鍵。
如果你想要一個數(shù)組而不是一個集合，請使用values()->all() .
public function allComments($id)
{
$id = (int) $id;
$post = Post::find($id);
$comments = $post->comments
->sortByDesc('created_at')
->values()
->all();
return $comments;
}
建議
更流暢的代碼。
public function allComments($id)
{
$comments = Comment::where('pots_id', $id)
->sortByDesc('created_at')
->values()
->all();
return $comments;
}
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