如何在laravel 5.2中更新數據庫表
[英]How to update a database table in laravel 5.2
問題描述
我在laravel 5.2中創建了一個項目。 在該“ myform.blade.php”頁面中，創建了用於注冊用戶的表單。 注冊后，它將以表格格式（“ index.blade.php”）顯示當前用戶。 在那里，我給了兩個動態按鈕，就像桌子內的桌子。 一個用於編輯，另一個用於編輯/查看。 當我單擊刪除按鈕時，它將以主鍵（employeeID）作為參考ID從數據庫中刪除相應的行，它工作正常。 如果我單擊“編輯/查看”按鈕，它將重定向到“ edit.blade.php”。 在那里，我創建了與myform.blade.php中相同的表單。 如果要編輯詳細信息，可以從那里進行編輯。 我可以從數據庫中獲取數據到在“ edit.blade.php”中創建的表單。 但是我不知道如何在不再次插入相同數據的情況下從其更新數據（這是不可能的，因為它會通過嘗試插入重復的主鍵來創建違反Integrity約束的行為。任何人都可以告訴我如何進行更新答復是可觀的。
“ myform.blade.php”是
@extends('app')
@section('content')
<div class="templatemo-content-wrapper">
<div class="container">
<ol class="breadcrumb">
<li><a href="{{ url("/") }}"><font color="green">Home</font></a></li>
<li class="active">Employee Form</li>
</ol>
<div class="row">
<div class="col-md-8 col-md-offset-2">
<div class="panel panel-success">
<div class="panel-heading">Employee Form</div>
<div class="panel-body">
@if (count($errors) > 0)
<div class="alert alert-danger">
<strong>Whoops!</strong> There were some problems with your input.<br><br>
<ul>
@foreach ($errors->all() as $error)
<li>{{ $error }}</li>
@endforeach
</ul>
</div>
@endif
<form class="form-horizontal" role="form" method="POST" action="{{ url('myform/myform/') }}">
<input type="hidden" name="_token" value="{{ csrf_token() }}">
<div class="form-group">
<label class="col-md-4 control-label">Employee ID</label>
<div class="col-md-6">
<input type="text" class="form-control" name="employeeID" value="{{ old('employeeID') }}" placeholder="Enter employee ID">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">E_number</label>
<div class="col-md-6">
<input type="text" class="form-control" name="employeeNo" value="{{ old('employeeNo') }}" placeholder="Enter employee number">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">Name</label>
<div class="col-md-6">
<input type="text" class="form-control" name="Cname" value="{{ old('Cname') }}" placeholder="Enter Contact Name">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">DOB</label>
<div class="col-md-6">
<input type="date" class="form-control" name="dob" value="{{ old('dob') }}" placeholder="Enter date of birth">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">Contact Phone</label>
<div class="col-md-6">
<input type="text" class="form-control" name="phoneNumber" value="{{ old('phoneNumber') }}" placeholder="Enter Mobile Number">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">Address</label>
<div class="col-md-6">
<input type="text" class="form-control" name="address" value="{{ old('address') }}" placeholder="Enter Address">
</div>
</div>
<div class="form-group">
<div class="col-md-6 col-md-offset-4">
<button type="submit" class="btn btn-warning">
Save
</button>
</div>
</div>
<a href="{{ url('myform/index') }}">view Data</a>
</form>
</div>
</div>
</div>
</div>
</div>
</div>
@endsection
“ index.blade.php”是
@extends('app')
@section('content')
<div class="templatemo-content-wrapper" xmlns="http://www.w3.org/1999/html">
<ol class="breadcrumb">
<li><a href="{{ url("/") }}"><font color="green">Home</font></a></li>
<li class="active">user information</li>
</ol>
<div class="templatemo-content">
<h1>View/Edit user information</h1>
<div>
<div>
<div>
<table id="example" class="table table-striped table-hover table-bordered" bgcolor="#fff8dc">
<thead>
<tr>
<th>Employee ID</th>
<th>Employee No</th>
<th>Contact Name</th>
<th>Date of birth</th>
<th>Mobile number</th>
<th>address</th>
</tr>
</thead>
<tbody>
{{--{{ UserController::getIndex() }}--}}
@foreach($employer as $emp)
<tr>
<td>{{ $emp->employeeID }}</td>
<td>{{ $emp->employeeNo }}</td>
<td>{{ $emp->Cname }}</td>
<td>{{ $emp->dob }}</td>
<td>{{ $emp->phoneNumber }}</td>
<td>{{ $emp->address }}</td>
<td>
{{--@if ( in_array($nam->isActive, array('Yes','No')) )--}}
<div class="btn-group">
<button type="button" class="btn btn-info">Action</button>
<button type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
<ul class="dropdown-menu" role="menu">
{{--@if ($nam->isActive == 'Yes')--}}
<li data-toggle="modal" data-target="#acceptModal" data-bookingid="{{ $emp->employeeID }}"><a href="{{ url('myform/edit/'.$emp->employeeID) }}">View/ Edit</a>
</li>
{{--@endif--}}
<li><a href="{{ url('/myform/delete/'.$emp->employeeID)}}">Delete</a></li>
</ul>
</div>
{{--@endif--}}
</td>
</tr>
@endforeach
</tbody>
</table>
{{$employer->links()}}
</div>
</div>
</div>
</div>
</div>
{{--<a href="{{ url('user/add') }}"> <input type="submit" id="add" name="add" value="Edit" class="button"></a>--}}
</br>
<h4>Create a new Employee</h4>
{{--<form class="templatemo-preferences-form" role="form" method="POST" action="{{ action('UserController@save') }}">--}}
{{--<input type="hidden" name="_token" value="{{ csrf_token() }}">--}}
<form role="form" method="POST" action="{{ url('myform/index') }}">
<input type="hidden" name="_token" value="{{ csrf_token() }}">
<div class="row">
<div class="col-md-6 margin-bottom-15">
<input type="text" class="form-control" name="employeeID" value="{{ old('employeeID') }}" placeholder="Enter employee ID">
</div>
<div class="row templatemo-form-buttons">
<div class="submit-button">
<button type="submit" class="btn btn-primary">New</button>
</div>
</div>
</div>
</form>
{{--</form>--}}
<script type="text/javascript">
$(document).ready(function() {
$('#example').dataTable();
} );
</script>
@endsection
“ edit.blade.php”是
@extends('app')
@section('content')
<div class="templatemo-content-wrapper">
<div class="container">
<ol class="breadcrumb">
<li><a href="{{ url("/") }}"><font color="green">Home</font></a></li>
<li class="active">Employee Form</li>
</ol>
<div class="row">
<div class="col-md-8 col-md-offset-2">
<div class="panel panel-success">
<div class="panel-heading">Employee Form</div>
<div class="panel-body">
@if (count($errors) > 0)
<div class="alert alert-danger">
<strong>Whoops!</strong> There were some problems with your input.<br><br>
<ul>
@foreach ($errors->all() as $error)
<li>{{ $error }}</li>
@endforeach
</ul>
</div>
@endif
<form class="form-horizontal" role="form" method="POST" action="{{ url('myform/myform/') }}">
<input type="hidden" name="_token" value="{{ csrf_token() }}">
@foreach($user as $use)
<div class="form-group">
<label class="col-md-4 control-label">Employee ID</label>
<div class="col-md-6">
<input type="text" class="form-control" name="employeeID" value="{{ $use->employeeID }}" placeholder="Enter employee ID">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">E_number</label>
<div class="col-md-6">
<input type="text" class="form-control" name="employeeNo" value="{{ $use->employeeNo}}" placeholder="Enter employee number">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">Name</label>
<div class="col-md-6">
<input type="text" class="form-control" name="Cname" value="{{ $use->Cname }}" placeholder="Enter Contact Name">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">DOB</label>
<div class="col-md-6">
<input type="date" class="form-control" name="dob" value="{{ $use->dob }}" placeholder="Enter date of birth">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">Contact Phone</label>
<div class="col-md-6">
<input type="text" class="form-control" name="phoneNumber" value="{{ $use->phoneNumber }}" placeholder="Enter Mobile Number">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">Address</label>
<div class="col-md-6">
<input type="text" class="form-control" name="address" value="{{ $use->address }}" placeholder="Enter Address">
</div>
</div>
<div class="form-group">
<div class="col-md-6 col-md-offset-4">
<button type="submit" class="btn btn-warning"><a href="{{ url('myform/update/'.$use->employeeID) }}">
Update</a>
</button>
</div>
</div>
{{--<a href="{{ url('myform/index') }}"> <input type="button" id="add" name="add" value="View data" class="button"></a>--}}
@endforeach
</form>
</div>
</div>
</div>
</div>
</div>
</div>
@endsection
“ myformController.php”是
<?php
namespace App\Http\Controllers;
use App\myform;
use Mail;
use Illuminate\Support\Facades\DB;
use Faker\Provider\DateTime;
use App\User;
use App\Http\Requests\createUserRequest;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Validator;
use Illuminate\Support\Facades\Input;
use Symfony\Component\HttpFoundation\Request;
class myformController extends Controller
{
public $type = 'myform';
public function getIndex()
{
// $user = DB::table('user')->get();
$employer = DB::table('employee')->simplePaginate(5);
return view('myform.index')->with('employer',$employer);
}
public function formInsert()
{
$postform = Input::all();
//insert data into mysql table
$data = array('employeeID'=> $postform['employeeID'],
'employeeNo'=> $postform['employeeNo'],
'Cname'=> $postform['Cname'],
'dob'=> $postform['dob'],
'phoneNumber'=> $postform['phoneNumber'],
'address'=> $postform['address'],
);
// echo print_r($data);
$ck = 0;
$ck = DB::table('employee')->Insert($data);
//echo "Record Added Successfully!";
$employer = DB::table('employee')->simplePaginate(10);
return view('myform.index')->with('employer',$employer);
}
public function delete($id)
{
DB::table('employee')->where('employeeID', '=', $id)->delete();
$employer = DB::table('employee')->simplePaginate(10);
return view('myform.index')->with('employer', $employer);
}
public function formIDinsert()
{
$postform = Input::all();
//insert data into mysql table
$data = array('employeeID'=> $postform['employeeID'],
);
// echo print_r($data);
$ck = 0;
$ck = DB::table('employee')->Insert($data);
//echo "Record Added Successfully!";
$employer = DB::table('employee')->simplePaginate(10);
return view('myform.index')->with('employer',$employer);
}
public function edit($id)
{
try {
//Find the user object from model if it exists
$user=DB::table('employee')->where('employeeID', '=', $id)->get();
//$user = User::findOrFail($id);
//Redirect to edit user form with the user info found above.
return view('myform.edit')->with ('user', $user);
//return view('myform.edit')->with('user', myform::find($id));
} catch (ModelNotFoundException $err) {
//redirect to your error page
}
}
// Update user
public function update(Request $request, $id)
{
try{
//Find the user object from model if it exists
$user= myform::findOrFail($id);
DB::table('employee')
->where('employeeID', $id)
->update(['employeeNo' =>$request['employeeNo'],
'Cname'=>$request['Cname'],
'phoneNumber'=>$request['phoneNumber'],
'address'=>$request['address']
]);
//Set user object attributes
//the $request index should match your form field ids!!!!!
//you can exclude any field you want.
// $user->employeeNo = $request['employeeNo'];
// $user->Cname = $request['Cname'];
// $user->phoneNumber = $request['phoneNumber'];
// $user->address = $request['address'];
//Save/update user.
$user->save();
return view('myform.index')->with('user', $user);
//redirect to somewhere
}
catch(ModelNotFoundException $err){
//Show error page
}
}
}
模型“ myform.php”是
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class myform extends Model
{
protected $table = 'employee';
//protected $primaryKey = 'employeeID';
/**
* The attributes that are mass assignable.
*
* @var array
*/
protected $fillable = [
'employeeID',
'employeeNo',
'Cname',
'dob',
'phoneNumber',
'address',
];
/**
* The attributes that should be hidden for arrays.
*
* @var array
*/
protected $hidden = [
'password', 'remember_token',
];
}
Routes.php是
Route::any('myform', function()
{
return view('myform/myform');
});
Route::any('myform/myform', 'myformController@formInsert');
Route::any('myform/index', 'myformController@getIndex');
//to show edit form and fetch passed user id info from db
Route::get('myform/edit/{id}', 'myformController@edit');
//to get the edited info and save it to db
Route::get('myform/update/{id}', 'UserController@update');
Route::any('myform/index', 'myformController@formIDinsert');
Route::any('myform/delete/{id}', 'myformController@delete');
1 個解決方案
解決方案1
3 已采納 2016-07-19 11:57:54
您想更改您的路線：
Route::get('myform/update/{id}', 'UserController@update');
至
//Because the data in your form is transferred/submitted by post request
Route::post('myform/update/{id}', 'UserController@update');
然后將您的更新功能更改為此
// Update user
public function update(Request $request, $id)
{
try{
//Find the user object from model if it exists
$user= myform::findOrFail($id);
//$request contain your post data sent from your edit from
//$user is an object which contains the column names of your table
//Set user object attributes
$user->employeeNo = $request['employeeNo'];
$user->Cname = $request['Cname'];
$user->dob = $request['dob'];
$user->phoneNumber = $request['phoneNumber'];
$user->address = $request['address'];
// Save/update user.
// This will will update your the row in ur db.
$user->save();
return view('myform.index')->with('user', $user);
}
catch(ModelNotFoundException $err){
//Show error page
}
}
如果您有任何疑問或需要澄清，歡迎您提出:)
在您的編輯視圖中更新
改變這個
<form class="form-horizontal" role="form" method="POST" action="{{ url('myform/myform/') }}">
至
<form class="form-horizontal" role="form" method="POST" action="{{ url('myform/update/').$user->employeeID}}">
將$user->employeeID更改為您的主鍵。
也改變這個
<button type="submit" class="btn btn-warning"><a href="{{ url('myform/update/'.$use->employeeID) }}">
Update</a>
</button>
對此
<button type="submit" class="btn btn-warning">Update</button>
麻生太郎沒有像我在此答案前面提到的那樣修復路線。
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