php - 重定向返回后如何保留已输入的值-6ren

php - 重定向返回后如何保留已输入的值

转载作者：行者123 更新时间：2023-11-28 02:33:02

所以我有一个 if-else 函数，它会检查表单中应该包含什么，所以当我提交表单时， Controller 中的函数会执行 if-else 函数。所以它有点像，如果隐藏输入字段中没有值，那么它会将用户重定向回表单，但是当它这样做时，其他文本输入的所有值都会丢失，用户必须输入所有再次。我不希望发生这种情况。相反，我希望保留所有其他文本输入。我该怎么做？

我的 Blade :

        <form id="form-project" role="form" autocomplete="off" action="{{action('Web\TravelController@store')}}" method="POST">
          {{csrf_field()}}
          <div class="card-bg">
            <div class="back-btn">
              <a href="{{action('Web\TravelController@index')}}">
                <i class="fa fa-angle-left" aria-hidden="true"></i><span>Back</span>
              </a>
            </div>
            <br>
            <div class="form-group">
              <div class="row">
                <div class="col-md-12">
                  <div class="btn-group">
                    <a type="button" class="btn tab-btn active btn-tab-lg">Book a trip</a>
                    <a type="button" class="btn tab-btn btn-tab-lg" href="{{action('Web\TravelController@multiCity')}}">Multi-city</a>
                  </div>
                </div>
              </div>
              <div class="add-space"></div>
              <div class="row">
                <div class="col-md-12">
                  <div class="btn-group">
                    <label class="btn tab-btn btn-tab-lg">
                      <input type="radio" name="is_return_trip" class="is_return_trip" value="0" onchange="hideReturn(this)">One-way
                    </label>
                    <label class="btn tab-btn active btn-tab-lg">
                      <input type="radio" name="is_return_trip" class="is_return_trip" value="1" checked onchange="hideReturn(this)">Return
                    </label>
                  </div>
                </div>
              </div>
              <div class="extra-padding">
                @if(request()->user()->hasRole('PA'))
                <div class="row">
                  <div class="col-md-6">
                    <div class="form-group">
                      <label>Request as</label>
                      <select class="form-control border-input" name="user_id" required>
                        <option value="{{$user->id}}">{{$user->name}}</option>
                        @foreach($user->bosses as $boss)
                        <option value="{{$boss->id}}">{{$boss->name}}</option>
                        @endforeach
                      </select>
                      <input type="hidden" name="pa_id" value="{{$user->id}}">
                      <input type="hidden" name="submitted_by_pa">
                    </div>
                  </div>
                </div>
                @else
                <div class="row">
                  <div class="col-md-6">
                    <div class="form-group">
                      <input type="hidden" name="user_id" value="{{$user->id}}">
                    </div>
                  </div>
                </div>
                @endif
                <div class="row">
                  <div class="col-md-6">
                    <div class="form-group">
                      <label>Mode of Transport</label>
                      <select name="travel_data[transport_type_id]" class="form-control getForm select2" required>
                        <option value="">Select a transport type</option>
                          @foreach($transports as $transport)
                          <option value="{{$transport->id}}">{{$transport->name}}</option>
                          @endforeach
                      </select>
                    </div>
                  </div>
                </div>
                <div class="row">
                  <div class="col-md-6">
                    <div class="form-group">
                      <div id="test">
                        <label>From</label>
                        <input type="text"  class="form-control autocomplete border-input inputDatabaseName" placeholder="From" name="travel_data[from]" required>
                          <input type="hidden" class="field administrative_area_level_1" disabled="true" name="travel_data[from_state]">
                          <input type="hidden" class="field country" disabled="true" name="travel_data[from_country]">
                      </div>  
                    </div>
                  </div>
                  <div class="col-md-6">
                    <div class="form-group">
                      <div id="test2">  
                        <label>To</label>
                        <input type="text" class="form-control autocomplete border-input inputDatabaseName2" placeholder="To" name="travel_data[to]" required>
                          <input type="hidden" class="field administrative_area_level_1" disabled="true" name="travel_data[to_state]">
                          <input type="hidden" class="field country" disabled="true" name="travel_data[to_country]">
                      </div>
                    </div>
                  </div>
                </div>
                <div class="row">
                  <div class="col-md-6">
                    <div class="form-group">
                      <label>Departure Date</label>
                      <input type="text" class="form-control datepicker departure-date" placeholder="Departure date" name="travel_data[departure_date]" required>
                    </div>
                  </div>
                  <div class="col-md-6" id="return">
                    <div class="form-group">
                      <label>Return Date</label>
                      <input type="text" class="form-control datepicker return-date" placeholder="Return date" name="travel_data[return_date]">
                    </div>
                  </div>
                </div>
                <div class="row">
                  <div class="col-md-12">
                    <div class="button-toggle">
                      <label>Selected Dates</label>
                    </div>
                    <div class="btn-group">
                      <label class="btn tab-btn active btn-tab-lg" >
                        <input type="radio" name="travel_data[is_official_date]" class="is_official_date" value="1" checked  onchange="showOfficialDates(this)">Official
                      </label>
                      <label class="btn tab-btn btn-tab-lg" >
                        <input type="radio" name="travel_data[is_official_date]" class="is_official_date" value="0"  onchange="showOfficialDates(this)">Non-Official
                      </label>
                    </div>
                  </div>
                </div>
                <div class="row" id="officialdDates" style="display: none;">
                  <div class="col-lg-12 add-date">
                    <button class="btn alt-btn-black btn-xs alt-btn dateButton"  type="button">
                      <i class="fa fa-plus"></i>
                    </button>
                  </div>
                  <div class="col-lg-6">
                    <div class="form-group form-group-default">
                      <label>From</label>
                      <input type="text" placeholder="From" class="form-control datepicker fromOfficialDate" name="fromOfficialDate[]">
                    </div>
                  </div>
                  <div class="col-lg-6">
                    <div class="form-group form-group-default">
                      <label>To</label>
                      <input type="text" placeholder="To" class="form-control datepicker toOfficialDate" name="toOfficialDate[]" >
                    </div>
                  </div>
                </div>
                <div class="rulesFormClone"></div>
                <br>
                <div class="row">
                  <div class="col-md-12">
                    <div class="button-toggle">
                      <label>Accommodation</label>
                    </div>
                    <div class="btn-group">
                      <label class="btn tab-btn active btn-tab-lg" >
                        <input type="radio" name="travel_data[accommodation]" class="accommodation" value="1" checked>Yes
                      </label>
                      <label class="btn tab-btn btn-tab-lg" >
                        <input type="radio" name="travel_data[accommodation]" class="accommodation" value="0">No
                      </label>
                    </div>
                  </div>
                </div>
                <br>
                <div class="row">
                  <div class="col-md-6">
                    <div class="form-group">


                  </div>
                </div>
                <div class="row">
                  <div class="col-md-6">
                    <div class="form-group">
                      <label>Travel Description</label>
                      <textarea maxlength="500" contentEditable="true" rows="10" cols="50" name="travel_data[description]" class="form-control border-input" placeholder="Travel description" required></textarea>
                      {{-- <input name="travel_data[description]" type="text" class="form-control border-input" placeholder="Travel Description" required> --}}
                    </div>
                  </div>
                </div>
                <div class="row">
                  <div class="col-md-6">
                    <div class="form-group">
                      <label>Travel Preferences</label>
                      <input name="travel_data[travel_preferences]" type="text" class="form-control border-input" placeholder="Travel preferences" required>
                    </div>
                  </div>
                </div>
                <div class="row">
                  <div class="col-md-6">
                    <div class="form-group">
                      <label>Add Passengers</label>
                      <input name="travel_data[add_passengers]" type="text" class="form-control border-input" placeholder="Add passengers">
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
          <div class="pull-right" >
            <button class="submit-btn" name="status" value='S'>SAVE</button>
            <button class="submit-btn text-gold" name="status" value='SB'>SUBMIT</button>
          </div>
          <div class="clearfix"></div>
          <div class="clearfix"></div>
        </form>
        <div class="row" style="display: none;">
          <div class="row datesForm">
            <div class="col-lg-12 add-date">
              <button class="btn alt-btn-black btn-xs alt-btn dateButton"  type="button">
                <i class="fa fa-plus"></i>
              </button>
            </div>
            <div class="col-lg-6">
              <div class="form-group form-group-default">
                <label>From</label>
                <input type="text" placeholder="From" class="form-control datepicker fromOfficialDate" name="fromOfficialDate[]">
              </div>
            </div>
            <div class="col-lg-6">
              <div class="form-group form-group-default">
                <label>To</label>
                <input type="text" placeholder="To" class="form-control datepicker toOfficialDate" name="toOfficialDate[]" >
              </div>
            </div>
          </div>
        </div>
      </div>

      <div class="col-lg-4">
        <div class="card-bg summary-side-bar">
          <h4 class="title">Summary</h4>
            <h5>Travel Type</h5>
            <p class="traveltype">Return</p>
            <h5>Travel Route</h5>
            <p class="DatabaseName"></p>
            <h5>Departure Date</h5>
            <p class="departure-date1"></p>
            <h5>Return Date</h5>
            <p class="return-date1"></p>
        </div>
      </div>
    </div>
  </div>
</body>

我的职能是:

    public function store(Request $request)
    {

        $user = Auth::user();
        $today = date('Y-m-d');
        $inputs = $request->all();
        $inputTravel_data = $request->input('travel_data');
        if($request->has('is_return_trip'))
        {
            $travelTitle = $inputTravel_data['from'].' - '.$inputTravel_data['to'];
            $multiCity = 0;
            $is_return_trip = $inputs['is_return_trip'];
        }else{
            $count = count($inputs['travelLeg']);
            $title = $inputTravel_data['from'][0];
            for ($i = 1; $i < $count; $i++) 
            {
                $title .= ' - ' . $inputTravel_data['from'][$i];
            }
            $travelTitle = $title. ' - ' .$inputTravel_data['to'][$count-1];
            $multiCity = 1;
            $is_return_trip = 0;
        }
        if(!$inputTravel_data['from_country']){
            return redirect()->back();
        }else{
            if(array_key_exists('id', $inputs) && $inputs['id'])
            {
                $travel = Travel::where('id',$this->decode($inputs['id']))->first();

                if(!$travel)
                    return $this->error('message','No travel found for this user');

                $travel->update([
                    'status' => $inputs['status'],
                    'title' => $travelTitle,
                    'is_multicity' => $multiCity,
                    'is_return_trip' =>  $is_return_trip,
                    'company_id' => $user->company_id,
                    'submitted_by_pa' => $inputs['user_id'] != Auth::user()->id ? 0 : 1,
                    'pa_id' => $inputs['user_id'] != Auth::user()->id  ? $inputs['pa_id'] : null,
                    ]);
                if($inputs['status'] == 'SB' && $inputs['user_id'] == Auth::user()->id){
                    foreach($travel->travel_data()->where('removed',0)->get() as $t) {
                        $t->update(['removed'=> 1]);
                    }
                }elseif($inputs['status'] == 'S'){
                    foreach($travel->travel_data()->where('removed',0)->get() as $t) {
                        $t->delete();
                    }
                }

                if($request->has('is_return_trip'))
                {
                    $travelLeg = new TravelLeg;
                    $travelLeg->travel_id = $travel->id;
                    $travelLeg->transport_type_id = $inputTravel_data['transport_type_id'];
                    $travelLeg->accommodation =  $inputTravel_data['accommodation'];
                    $travelLeg->travel_region_id =  $inputTravel_data['travel_region_id'];
                    $travelLeg->travel_purpose = TravelPurpose::find($inputTravel_data['travel_purpose_id'])->name;
                    $travelLeg->description = $inputTravel_data['description'];
                    $travelLeg->travel_prefernces = $inputTravel_data['travel_preferences'];
                    $travelLeg->add_passengers =  $inputTravel_data['add_passengers'];
                    $travelLeg->from = $inputTravel_data['from'];
                    $travelLeg->from_state = $inputTravel_data['from_state'] ?? '';
                    $travelLeg->from_country = $inputTravel_data['from_country']  ?? '';
                    $travelLeg->to = $inputTravel_data['to'];
                    $travelLeg->to_state = $inputTravel_data['to_state']  ?? '';
                    $travelLeg->to_country = $inputTravel_data['to_country']  ?? '';
                    $travelLeg->departure_date = date('Y-m-d', strtotime(str_replace('/', '-', $inputTravel_data['departure_date'])));
                    if (!empty($inputTravel_data['return_date']))
                    {
                        $travelLeg->return_date = date('Y-m-d', strtotime(str_replace('/', '-', $inputTravel_data['return_date'])));
                    }
                    $travelLeg->title = 'Travel Leg 1';
                    $travelLeg->is_official_date = $inputTravel_data['is_official_date'];
                    $travelLeg->mode_of_transport = TransportType::find($inputTravel_data['transport_type_id'])->name;
                    $travelLeg->region = TravelRegion::find($inputTravel_data['travel_region_id'])->name;
                    $travelLeg->travel_purpose_id = $inputTravel_data['travel_purpose_id'];
                    $travelLeg->processed = 0;
                    $travelLeg->save();
                    if ($travelLeg->is_official_date == self::IS_OFFICIALDATE)
                    {
                        $travelLeg->official_date()->delete();
                    }
                    if ($travelLeg->is_official_date == self::IS_NOT_OFFICIALDATE)
                    {
                        $travelLeg->official_date()->delete();
                        for ($i = 0; $i < count($inputs['fromOfficialDate']); $i++)
                        {

                            $travelDate = new TravelDate;
                            $travelDate->travel_leg_id =  $travelLeg->id;
                            $travelDate->from = date('Y-m-d', strtotime(str_replace('/', '-', $inputs['fromOfficialDate'][$i])));
                            $travelDate->to = date('Y-m-d', strtotime(str_replace('/', '-', $inputs['toOfficialDate'][$i])));
                            $travelDate->save();
                        }
                    }
                }
                else
                {
                    for ($i = 0; $i < $count; $i++)
                    {
                        $travelDataFromState ='';
                        $temporaryIndex = $i;
                        if ($inputTravel_data['from_state'][$temporaryIndex] == '') {
                            if (($temporaryIndex-1) <= 0) {
                                $temporaryIndex = 0;
                            } else {
                                $temporaryIndex = $temporaryIndex - 1;
                            }
                            $travelDataFromState = $inputTravel_data['to_state'][$temporaryIndex];
                        } else {
                            $travelDataFromState = $inputTravel_data['from_state'][$temporaryIndex] ?? '';
                        }
                        $travelDataFromCountry = '';
                        if ($inputTravel_data['from_country'][$temporaryIndex] == '') {
                            if (($temporaryIndex-1) <= 0) {
                                $temporaryIndex = 0;
                            } else {
                                $temporaryIndex = $temporaryIndex - 1;
                            }
                            $travelDataFromCountry = $inputTravel_data['to_country'][$temporaryIndex];
                        } else {
                            $travelDataFromCountry = $inputTravel_data['from_country'][$temporaryIndex] ?? '';
                        }

                        $travelLeg = new TravelLeg;
                        $travelLeg->travel_id = $travel->id;
                        $travelLeg->transport_type_id = $inputTravel_data['transport_type_id'][$i];
                        $travelLeg->accommodation =  $inputTravel_data['accommodation'][$i];
                        $travelLeg->travel_region_id =  $inputTravel_data['travel_region_id'][$i];
                        $travelLeg->travel_purpose = TravelPurpose::find($inputTravel_data['travel_purpose_id'][$i])->name;
                        $travelLeg->description = $inputTravel_data['description'][$i];
                        $travelLeg->travel_prefernces = $inputTravel_data['travel_preferences'][$i];
                        $travelLeg->add_passengers =  $inputTravel_data['add_passengers'][$i];
                        $travelLeg->from = $inputTravel_data['from'][$i];
                        $travelLeg->from_state = $travelDataFromState;
                        $travelLeg->from_country = $travelDataFromCountry;
                        $travelLeg->to = $inputTravel_data['to'][$i];
                        $travelLeg->to_state = $inputTravel_data['to_state'][$i]  ?? '';
                        $travelLeg->to_country = $inputTravel_data['to_country'][$i]  ?? '';
                        $travelLeg->departure_date = date('Y-m-d', strtotime(str_replace('/', '-', $inputTravel_data['departure_date'][$i])));
                        $travelLeg->title = 'Travel Leg ' . $inputs['travelLeg'][$i+1];
                        $travelLeg->is_official_date = $inputTravel_data['is_official_date'][$i];
                        $travelLeg->mode_of_transport = TransportType::find($inputTravel_data['transport_type_id'][$i])->name;
                        $travelLeg->region = TravelRegion::find($inputTravel_data['travel_region_id'][$i])->name;
                        $travelLeg->travel_purpose_id = $inputTravel_data['travel_purpose_id'][$i];
                        $travelLeg->processed = 0;
                        $travelLeg->save();

                        if ($travelLeg->is_official_date == self::IS_OFFICIALDATE)
                        {
                            $travelLeg->official_date()->delete();
                        }
                        if ($travelLeg->is_official_date == self::IS_NOT_OFFICIALDATE)
                        {
                            $travelLeg->official_date()->delete();
                            $dates = $inputs['OfficialDate'][$inputs['travelLeg'][$i+1]];
                            for ($j = 0; $j < count($dates['from']); $j++)
                            {
                                $fromODate = new TravelDate;
                                $fromODate->travel_leg_id =  $travelLeg->id;
                                $fromODate->from = date('Y-m-d', strtotime(str_replace('/', '-', $dates['from'][$j])));
                                $fromODate->to = date('Y-m-d', strtotime(str_replace('/', '-', $dates['to'][$j])));
                                $fromODate->save();
                            }
                        }
                    }
                }
            }
            else {
                if($user->id != $inputs['user_id']){
                    $user = User::find($inputs['user_id']);
                }
                $travel = $user->travels()->create([
                    'status' => $inputs['status'],
                    'title' => $travelTitle,
                    'is_multicity' => $multiCity,
                    'is_return_trip' => $is_return_trip,
                    'company_id' => $user->company_id,
                    'submitted_by_pa' => $inputs['user_id'] != Auth::user()->id ? 0 : 1,
                    'pa_id' => $inputs['user_id'] != Auth::user()->id  ? $inputs['pa_id'] : null,
                    ]);

                $this->generateRef($travel);

                if($request->has('is_return_trip'))
                {
                    $travelLeg = new TravelLeg;
                    $travelLeg->travel_id = $travel->id;
                    $travelLeg->transport_type_id = $inputTravel_data['transport_type_id'];
                    $travelLeg->accommodation =  $inputTravel_data['accommodation'];
                    $travelLeg->travel_region_id =  $inputTravel_data['travel_region_id'];
                    $travelLeg->travel_purpose = TravelPurpose::find($inputTravel_data['travel_purpose_id'])->name;
                    $travelLeg->description = $inputTravel_data['description'];
                    $travelLeg->travel_prefernces = $inputTravel_data['travel_preferences'];
                    $travelLeg->add_passengers =  $inputTravel_data['add_passengers'];
                    $travelLeg->from = $inputTravel_data['from'];
                    $travelLeg->from_state = $inputTravel_data['from_state'] ?? '';
                    $travelLeg->from_country = $inputTravel_data['from_country'] ?? '';
                    $travelLeg->to = $inputTravel_data['to'];
                    $travelLeg->to_state = $inputTravel_data['to_state'] ?? '';
                    $travelLeg->to_country = $inputTravel_data['to_country'] ?? '';

                    $travelLeg->departure_date = date('Y-m-d', strtotime(str_replace('/', '-', $inputTravel_data['departure_date'])));
                    if (!empty($inputTravel_data['return_date']))
                    {
                        $travelLeg->return_date = date('Y-m-d', strtotime(str_replace('/', '-', $inputTravel_data['return_date'])));
                    }
                    $travelLeg->title = 'Travel Leg 1';
                    $travelLeg->is_official_date = $inputTravel_data['is_official_date'];
                    $travelLeg->mode_of_transport = TransportType::find($inputTravel_data['transport_type_id'])->name;
                    $travelLeg->region = TravelRegion::find($inputTravel_data['travel_region_id'])->name;
                    $travelLeg->travel_purpose_id = $inputTravel_data['travel_purpose_id'];
                    $travelLeg->processed = 0;
                    $travelLeg->save();

                    if ($travelLeg->is_official_date == self::IS_NOT_OFFICIALDATE)
                    {
                        for ($i = 0; $i < count($inputs['fromOfficialDate']); $i++)
                        {

                            $travelDate = new TravelDate;
                            $travelDate->travel_leg_id =  $travelLeg->id;
                            $travelDate->from = date('Y-m-d', strtotime(str_replace('/', '-', $inputs['fromOfficialDate'][$i])));
                            $travelDate->to =date('Y-m-d', strtotime(str_replace('/', '-', $inputs['toOfficialDate'][$i])));
                            $travelDate->save();
                        }
                    }
                }
                else
                {
                    for ($i = 0; $i < $count; $i++)
                    {
                        $travelDataFromState ='';
                        $temporaryIndex = $i;
                        if ($inputTravel_data['from_state'][$temporaryIndex] == '') {
                            if (($temporaryIndex-1) <= 0) {
                                $temporaryIndex = 0;
                            } else {
                                $temporaryIndex = $temporaryIndex - 1;
                            }
                            $travelDataFromState = $inputTravel_data['to_state'][$temporaryIndex];
                        } else {
                            $travelDataFromState = $inputTravel_data['from_state'][$temporaryIndex] ?? '';
                        }
                        $travelDataFromCountry = '';
                        if ($inputTravel_data['from_country'][$temporaryIndex] == '') {
                            if (($temporaryIndex-1) <= 0) {
                                $temporaryIndex = 0;
                            } else {
                                $temporaryIndex = $temporaryIndex - 1;
                            }
                            $travelDataFromCountry = $inputTravel_data['to_country'][$temporaryIndex];
                        } else {
                            $travelDataFromCountry = $inputTravel_data['from_country'][$temporaryIndex] ?? '';
                        }

                        $travelLeg = new TravelLeg;
                        $travelLeg->travel_id = $travel->id;
                        $travelLeg->transport_type_id = $inputTravel_data['transport_type_id'][$i];
                        $travelLeg->accommodation =  $inputTravel_data['accommodation'][$i];
                        $travelLeg->travel_region_id =  $inputTravel_data['travel_region_id'][$i];
                        $travelLeg->travel_purpose = TravelPurpose::find($inputTravel_data['travel_purpose_id'][$i])->name;
                        $travelLeg->description = $inputTravel_data['description'][$i];
                        $travelLeg->travel_prefernces = $inputTravel_data['travel_preferences'][$i];
                        $travelLeg->add_passengers =  $inputTravel_data['add_passengers'][$i];
                        $travelLeg->from = $inputTravel_data['from'][$i];
                        $travelLeg->from_state = $travelDataFromState;
                        $travelLeg->from_country = $travelDataFromCountry;
                        $travelLeg->to = $inputTravel_data['to'][$i];
                        $travelLeg->to_state = $inputTravel_data['to_state'][$i] ?? '';
                        $travelLeg->to_country = $inputTravel_data['to_country'][$i] ?? ''; 
                        $travelLeg->departure_date = date('Y-m-d', strtotime(   str_replace('/', '-', $inputTravel_data['departure_date'][$i])));
                        $travelLeg->title = 'Travel Leg ' . $inputs['travelLeg'][$i+1];
                        $travelLeg->is_official_date = $inputTravel_data['is_official_date'][$i];
                        $travelLeg->mode_of_transport = TransportType::find($inputTravel_data['transport_type_id'][$i])->name;
                        $travelLeg->region = TravelRegion::find($inputTravel_data['travel_region_id'][$i])->name;
                        $travelLeg->travel_purpose_id = $inputTravel_data['travel_purpose_id'][$i];
                        $travelLeg->processed = 0;
                        $travelLeg->save();

                        if ($travelLeg->is_official_date == self::IS_NOT_OFFICIALDATE)
                        {
                            $dates = $inputs['OfficialDate'][$inputs['travelLeg'][$i+1]];
                            for ($j = 0; $j < count($dates['from']); $j++)
                            {
                                $fromODate = new TravelDate;
                                $fromODate->travel_leg_id =  $travelLeg->id;
                                $fromODate->from = date('Y-m-d', strtotime(str_replace('/', '-', $dates['from'][$j])));
                                $fromODate->to = date('Y-m-d', strtotime(str_replace('/', '-', $dates['to'][$j])));
                                $fromODate->save();
                            }
                        }
                    }
                }
            }
            if($inputs['status'] == 'SB')
            {
                $pivotT = \DB::table('travel_approver_inboxes')
                        ->where('travel_id', $travel->id)
                        ->where('removed',0)
                        ->get();
                        foreach($pivotT as $p) {
                            $travel->approver()
                            ->newPivotStatement()
                            ->where('id', $p->id)->update(['removed'=> 1]);
                        }
                (new TravelApprover($travel))->assign();
                $travel->update(['submitted_date' => $today,'remark'=> null]);
                $travel->fresh();   
            // (new Notification)->addNotification($travel,'travel');
                // dd($travel->approver->last());
            }
            return redirect(action('Web\TravelController@index'));
        }
    }

所以你可以在这里进行主要的重定向:

if(!$inputTravel_data['from_country']){
    return redirect()->back();

最佳答案

有时您可能希望将用户重定向到他们之前的位置，例如当提交的表单无效时。您可以使用全局后退辅助函数来执行此操作。由于此功能使用 session ，请确保调用返回函数的路由正在使用 web 中间件组或已应用所有 session 中间件:

Route::post('user/profile', function () {

    return back()->withInput();
});

关于php - 重定向返回后如何保留已输入的值，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/49272012/

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php - 重定向返回后如何保留已输入的值