Warning: file_get_contents(/data/phpspider/zhask/data//catemap/1/php/269.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/0/laravel/10.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Php Laravel 5 |用上一条记录覆盖记录| Ubuntu_Php_Laravel_Eloquent_Laravel 5.2 - Fatal编程技术网

Php Laravel 5 |用上一条记录覆盖记录| Ubuntu

Php Laravel 5 |用上一条记录覆盖记录| Ubuntu,php,laravel,eloquent,laravel-5.2,Php,Laravel,Eloquent,Laravel 5.2,在我的代码中, 我尝试使用“php artisan tinker”一次添加多条记录 我的意见: $tag = new App\tags => App\tags {#666} $tag->name = 'General' => "General" $tag->save() => true 然后我得到 App\tags::get() => Illuminate\Database\Eloquent\Collecti

在我的代码中, 我尝试使用“php artisan tinker”一次添加多条记录

我的意见:

  $tag = new App\tags
     => App\tags {#666}
  $tag->name = 'General'
     => "General"
  $tag->save()
     => true
然后我得到

  App\tags::get()
  => Illuminate\Database\Eloquent\Collection {#696
 all: [
   App\tags {#702
     id: "7",
     name: "General",
     created_at: "2016-02-11 05:18:33",
     updated_at: "2016-02-11 05:18:33",
   },
 ],
 }
我再加一个,

$tag->name = 'Private'
=> "Private"
$tag->save()
=> true
然后我又得到了

App\tags::get()
   => Illuminate\Database\Eloquent\Collection {#694
 all: [
   App\tags {#692
     id: "7",
     name: "Private",
     created_at: "2016-02-11 10:48:59",
     updated_at: "2016-02-11 05:18:59",
   },
 ],
}
我还尝试了“::all()”,得到了相同的结果


我的代码有什么问题。

在设置
$tag->name='Private'


首先再次运行
$tag=new App\tags

它只会覆盖上一个并更新当前记录。但是,为什么我不能连续添加记录。你可以,你只需要先创建一个新标记
$tag
仍保留第一个标记,因此您只需更改其名称。您可以连续添加记录,但该记录已绑定到该对象。因此,当您更新对象时,您将更新数据库中的行。必须创建一个新对象来表示数据库中的新行。您可以尝试
App\Tags::create(['name'=>'Private'])
,它将为您执行保存并始终创建新记录。@ShankarThiyagaraajan没问题!如果答案对您有帮助,请接受:)