php laravel 5.2:获取查询字符串
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laravel 5.2 : Get query string
提问by Gammer
I have the following url
http://project.su/?invitee=95
我有以下网址
http://project.su/?invitee=95
first i want to check the inviteein url, if the url have inviteethen get the value.
首先,我想检查输入invitee的 url,如果 url 有invitee然后获取值。
What i have tried (controller) :
我尝试过的(控制器):
if(!empty($request->get('invitee'))){
$user->invitee = $request->get('invitee');
}
The following code is not working .
以下代码不起作用。
I want storing the inviteeresult(id) in database.
我想将invitee结果(id)存储在数据库中。
Thanks.
谢谢。
回答by Depzor
To determining if an input value is present:
要确定输入值是否存在:
if ($request->has('invitee')) {
$user->invitee = $request->input('invitee');
}
The hasmethod returns true if the value is present and is not an empty string:
的具有方法返回true,如果该值存在,并且是不是空字符串:
回答by Rohan Khude
In laravel 5.7, we can also use request()->invitee. By using this, we can get both, URL path parameters and query parameters. Say we have below URL
在 laravel 5.7 中,我们也可以使用request()->invitee. 通过使用它,我们可以获得 URL 路径参数和查询参数。假设我们有以下网址
http://localhost:8000/users/{id}?invitee=95
To read idand invitee, we can use
要阅读id和invitee,我们可以使用
$id ?
$invitee ? - Invalid
request()->id ?
request()->invitee ?
回答by Vikram Bhaskaran
As far as Laravel 5.7 is concerned the preferred way to retrieve query params is
就 Laravel 5.7 而言,检索查询参数的首选方法是
if($request->has('invitee') {
$request->query('invitee')
}
or using the helper function if you don't have access to $request
或者如果您无权访问 $request,则使用辅助函数
request()->query('invitee')
回答by Somnath Muluk
You can get input by:
您可以通过以下方式获得输入:
$invitee = Input::get('invitee');
For above 5.*
5.* 以上
$invitee = $request->input('invitee');
Or
或者
$invitee = Request::input('invitee');
回答by Alfonz
To check if inviteeparameter exists:
检查invitee参数是否存在:
if($request->has('invitee')) {
// ...
}
To get the value of invitee:
获取 的值invitee:
$invitee = $request->input('invitee');
回答by Alex Bouma
Are you calling $user->save()anywhere? You should call $user->save()to actually persist the data.
你在$user->save()任何地方打电话吗?您应该调用$user->save()以实际保留数据。
You can always check by calling dd($user);right after the second line in you example if you are worried it is not set correctly, this way you can see what attributes are set in the $userobject.
dd($user);如果您担心未正确设置,您可以随时通过在示例中的第二行之后立即调用来检查,这样您就可以查看$user对象中设置了哪些属性。
Also you can replace !empty($request->get('invitee'))with $request->has('invitee').
你也可以!empty($request->get('invitee'))用$request->has('invitee').

