## 模åè¾åº
模åæ°æ®ç模æ¿è¾åºå¯ä»¥ç´æ¥æ模å对象å®ä¾èµå¼ç»æ¨¡æ¿åéï¼å¨æ¨¡æ¿ä¸å¯ä»¥ç´æ¥è¾åºï¼ä¾å¦ï¼
~~~
<?php
namespace app\controller;
use app\model\User;
use think\facade\View;
class Index
{
public function index()
{
$user = User::find(1);
View::assign('user', $user);
return View::fetch();
}
}
~~~
å¨æ¨¡æ¿æ件ä¸å¯ä»¥ä½¿ç¨
~~~
{$user.name}
{$user.email}
~~~
>[info] 模æ¿ä¸ç模åæ°æ®è¾åºä¸æ ·ä¼è°ç¨è·åå¨ã
## æ°ç»è½¬æ¢
å¯ä»¥ä½¿ç¨`toArray`æ¹æ³å°å½åç模åå®ä¾è¾åºä¸ºæ°ç»ï¼ä¾å¦ï¼
~~~
$user = User::find(1);
dump($user->toArray());
~~~
æ¯æ设置ä¸è¾åºçå段å±æ§ï¼
~~~
$user = User::find(1);
dump($user->hidden(['create_time','update_time'])->toArray());
~~~
æ°ç»è¾åºçå段å¼ä¼ç»è¿è·åå¨çå¤çï¼ä¹å¯ä»¥æ¯æ追å å
¶å®è·åå¨å®ä¹ï¼ä¸å¨æ°æ®è¡¨å段å表ä¸ï¼çå段ï¼ä¾å¦ï¼
~~~
$user = User::find(1);
dump($user->append(['status_text'])->toArray());
~~~
æ¯æ设置å
许è¾åºçå±æ§ï¼ä¾å¦ï¼
~~~
$user = User::find(1);
dump($user->visible(['id','name','email'])->toArray());
~~~
对äºæ°æ®éç»æä¸æ ·å¯ä»¥ç´æ¥ä½¿ç¨ï¼å
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~~~
$list = User::select();
$list = $list->toArray();
~~~
å¯ä»¥å¨æ¥è¯¢ä¹åå®ä¹`hidden`/`visible`/`append`æ¹æ³ï¼ä¾å¦ï¼
~~~
dump(User::where('id',10)->hidden(['create_time','update_time'])->append(['status_text'])->find()->toArray());
~~~
注æï¼å¿
é¡»è¦é¦å
è°ç¨ä¸æ¬¡Dbç±»çæ¹æ³åæè½è°ç¨`hidden`/`visible`/`append`æ¹æ³ã
### 追å å
³èå±æ§
æ¯æ追å å
³è模åçå±æ§å°å½å模åï¼ä¾å¦ï¼
~~~
$user = User::find(1);
dump($user->append(['profile' => ['email', 'nickname']])->toArray());
~~~
`profile`æ¯å
³èå®ä¹æ¹æ³åï¼`email`å`nickname`æ¯`Profile`模åçå±æ§ã
模åç`visible`ã`hidden`å`append`æ¹æ³æ¯æå
³èå±æ§æä½ï¼ä¾å¦ï¼
~~~
$user = User::with('profile')->find(1);
// éèprofileå
³èå±æ§çemailå±æ§
dump($user->hidden(['profile'=>['email']])->toArray());
// æè
使ç¨
dump($user->hidden(['profile.email'])->toArray());
~~~
`hidden`ã`visible`å`append`æ¹æ³åæ ·æ¯ææ°æ®é对象ã
## JSONåºåå
å¯ä»¥è°ç¨æ¨¡åç`toJson`æ¹æ³è¿è¡`JSON`åºååï¼`toJson`æ¹æ³ç使ç¨å`toArray`ä¸æ ·ã
~~~
$user = User::find(1);
echo $user->toJson();
~~~
å¯ä»¥è®¾ç½®éè¦éèçå段ï¼ä¾å¦ï¼
~~~
$user = User::find(1);
echo $user->hidden(['create_time','update_time'])->toJson();
~~~
æè
追å å
¶å®çå段ï¼è¯¥å段å¿
é¡»æå®ä¹è·åå¨ï¼ï¼
~~~
$user = User::find(1);
echo $user->append(['status_text'])->toJson();
~~~
设置å
许è¾åºçå±æ§ï¼
~~~
$user = User::find(1);
echo $user->visible(['id','name','email'])->toJson();
~~~
模å对象å¯ä»¥ç´æ¥è¢«JSONåºååï¼ä¾å¦ï¼
~~~
echo json_encode(User::find(1));
~~~
è¾åºç»æ类似äºï¼
~~~
{"id":"1","name":"","title":"","status":"1","update_time":"1430409600","score":"90.5"}
~~~
å¦æç´æ¥`echo` ä¸ä¸ªæ¨¡å对象ä¼èªå¨è°ç¨æ¨¡åç`toJson`æ¹æ³è¾åºï¼ä¾å¦ï¼
~~~
echo User::find(1);
~~~
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