我们知道laravel有一个update()方法,它通过"put" http方法更新记录。除了我在User模型中尝试根据静态$rules方法验证新的输入值之外,一切都很正常。请看看我的模型
protected $guarded = ['id', 'admin'];
public static $rules = [
'name' => 'required|min:4',
'username' => 'required|min:3|alpha_num|unique:users',
'email' => 'required|email|unique:users',
'password' => 'required|alpha_num|between:5,12|confirmed',
'password_confirmation' => 'required|alpha_num|between:5,12',
'phone' => 'required|min:5|alpha_num',
'city' => 'required|min:2|alpha',
'town' => 'required|min:2|alpha_num',
'address' => 'required|min:5|alpha_num',
'blood' => 'required|min:2',
'img' => 'image|mimes:jpeg,jpg,bmp,png,gif',
'active' => 'integer',
'admin' => 'integer'
];
您可以看到,我已经将email作为惟一的用户表。因此,当我尝试更新记录时,这些记录是关于登录用户的个人资料信息的,如果我更新所有记录以及电子邮件地址,它就会起作用。但如果我让email字段保持原样,它会抛出验证错误,说email地址已经被占用了。但是我希望laravel只验证已更新的字段,以便用户可以更新他们想要的任何内容,或者保留一两个字段。有什么办法可以做到吗?
现在请查看负责更新新输入数据的控制器方法
//update the changes now
public function update($id) {
$user = User::find($id);
$validator = Validator::make(Input::all(), User::$rules);
$input = array_except(Input::all(), ['_method', 'password_confirmation']);
if( $validator->passes() ) {
$user->save($input);
return Redirect::to('donors/'.$user->username.'/profile')
->withMessage('Information Updated');
}
return Redirect::to('donors/'.$user->username.'/profile/edit')
->withMessage('Something went wrong! Please fix the errors.')
->withErrors($validator)
->withInput();
}
为了更清楚地理解这个场景,我也添加了form from视图和路由文件片段。
路线Route::put('donors/{id}', ['uses'=>'DonorsController@update']);
查看表单
{{ Form::open(['url'=>'donors/'.$donor->id, 'method'=>'put', 'role'=>'form']) }}
<table class="table table-bordered donors-table">
<colgroup>
<col class="col-xs-1">
<col class="col-xs-7">
</colgroup>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>
<span class="text-green">Name</span>
</td>
<td>
{{ Form::text('name', $donor->name) }}
<span class="text-red input-error">{{ $errors->first('name') }}</span>
</td>
</tr>
<tr>
<tr>
<td>
<span class="text-green">Email</span>
</td>
<td>
{{ Form::email('email', $donor->email) }}
<span class="text-red input-error">{{ $errors->first('email') }}</span>
</td>
</tr>
<tr class="odd">
<td>
<span class="text-green">New Password</span>
</td>
<td>
{{ Form::password('password', null) }}
<span class="text-red input-error">{{ $errors->first('password') }}</span>
</td>
</tr>
<tr class="odd">
<td>
<span class="text-green">Confirm New Password</span>
</td>
<td>
{{ Form::password('password_confirmation', null) }}
<span class="text-red input-error">{{ $errors->first('password_confirmation') }}</span>
</td>
</tr>
<tr class="odd">
<td>
<span class="text-green">Blood Group</span>
</td>
<td>
{{ Form::text('blood', $donor->blood) }}
<span class="text-red input-error">{{ $errors->first('blood') }}</span>
</td>
</tr>
<tr>
<tr class="odd">
<td>
<span class="text-green">Address</span>
</td>
<td>
{{ Form::text('address', $donor->address) }}
<span class="text-red input-error">{{ $errors->first('address') }}</span>
</td>
</tr>
<tr class="odd">
<td>
<span class="text-green">City</span>
</td>
<td>
{{ Form::text('city', $donor->city) }}
<span class="text-red input-error">{{ $errors->first('city') }}</span>
</td>
</tr>
<tr class="odd">
<td>
<span class="text-green">Town</span>
</td>
<td>
{{ Form::text('town', $donor->town) }}
<span class="text-red input-error">{{ $errors->first('town') }}</span>
</td>
</tr>
<tr class="odd">
<td>
<span class="text-green">Phone</span>
</td>
<td>
{{ Form::text('phone', $donor->phone) }}
<span class="text-red input-error">{{ $errors->first('phone') }}</span>
</td>
</tr>
<tr>
</tbody>
</table>
<p class="submit clearfix">
{{ Form::submit('Update', ['class'=>'btn btn-success pull-left']) }}
{{ link_to('donors/'.$donor->username.'/profile', 'Cancel', ['class'=>'pull-right btn btn-danger']) }}
</p>
{{ Form::close() }}
我错过什么了吗?让我知道如果我应该显示任何其他片段的代码。
为了更新,你需要稍微改变一下电子邮件规则。如果作为惟一规则的一部分,您传递要检查的字段,然后传递一个值,它将不会报错该值已被占用。
在你的例子中,通过在验证之前放置以下内容更新你的控制器:
User::$rules['email'] = 'required|email|unique:users,email,' . Input::get['email'];
您的验证现在应该通过,因为您已经告诉laravel,电子邮件应该是唯一的,但您将接受当前的电子邮件地址。
也可以
$user->update($input);
或
// this is exactly what `update()` method does.
$user->fill($input)->save();
并调整验证规则
'email' => 'unique:users,email_address,10'
,其中10
为当前模型实例的ID。要实现这一点,您需要以某种方式解析规则。