laravel框架之修改

//控制器層public function update(request $request){    $id = $request->get(‘id‘);    $data = DB::select("select * from users where id=‘$id‘");    $data = json_encode($data);    $data = json_decode($data,1);    return view(‘admin.update‘,[‘data‘=>$data]);}public function update_do(request $request){    $id = $request->post(‘id‘);    $data = $request->only([‘username‘,‘password‘,‘email‘]);    DB::table(‘users‘)->where(‘id‘,$id)->update($data);    return redirect()->route("admin.showlist");}

//跳轉頁面

<td><a href="javascript:void (0)" id="{{$val->id}}" class="del">刪除</a>|<a href="update?id={{$val->id }}">編輯</a></td>//視圖層

@extends(‘layouts.app‘)@section(‘title‘,‘修改頁面‘)@section(‘content‘)    <div class="container">        <div class="row justify-content-center">            <div class="col-md-8">                <div class="card">                    <div class="card-header">{{ __(‘Update‘) }}</div>

                    <div class="card-body">                        <form method="POST" action="{{ route(‘admin.update_do‘) }}" aria-label="{{ __(‘Update‘) }}">                            @csrf                            <input type="hidden" id="id" name="id" value="{{$data[0][‘id‘]}}">                            <div class="form-group row">                                <label for="username" class="col-md-4 col-form-label text-md-right">{{ __(‘UserName‘) }}</label>

                                <div class="col-md-6">                                    <input id="username" type="text" class="form-control{{ $errors->has(‘username‘) ? ‘ is-invalid‘ : ‘‘ }}" name="username"  value="<?php echo $data[0][‘username‘]?>" required autofocus>

                                    @if ($errors->has(‘username‘))                                        <span class="invalid-feedback" role="alert">                                        <strong>{{ $errors->first(‘username‘) }}</strong>                                    </span>                                    @endif                                </div>                            </div>

                            <div class="form-group row">                                <label for="email" class="col-md-4 col-form-label text-md-right">{{ __(‘E-Mail Address‘) }}</label>

                                <div class="col-md-6">                                    <input id="email" type="email" class="form-control{{ $errors->has(‘email‘) ? ‘ is-invalid‘ : ‘‘ }}" name="email" value="{{$data[0][‘email‘]}}" required>

                                    @if ($errors->has(‘email‘))                                        <span class="invalid-feedback" role="alert">                                        <strong>{{ $errors->first(‘email‘) }}</strong>                                    </span>                                    @endif                                </div>                            </div>

                            <div class="form-group row">                                <label for="password" class="col-md-4 col-form-label text-md-right">{{ __(‘Password‘) }}</label>

                                <div class="col-md-6">                                    <input id="password" type="password" class="form-control{{ $errors->has(‘password‘) ? ‘ is-invalid‘ : ‘‘ }}" name="password"  value="{{$data[0][‘password‘]}}" required>

                                    @if ($errors->has(‘password‘))                                        <span class="invalid-feedback" role="alert">                                        <strong>{{ $errors->first(‘password‘) }}</strong>                                    </span>                                    @endif                                </div>                            </div>

                            <div class="form-group row">                                <label for="password-confirm" class="col-md-4 col-form-label text-md-right">{{ __(‘Confirm Password‘) }}</label>

                                <div class="col-md-6">                                    <input id="password-confirm" type="password" class="form-control" name="password_confirmation" value="{{$data[0][‘password‘]}}" required>                                </div>                            </div>

                            <div class="form-group row mb-0">                                <div class="col-md-6 offset-md-4">                                    <button type="submit" class="btn btn-primary">                                        {{ __(‘Updated‘) }}                                    </button>                                </div>                            </div>                        </form>                    </div>                </div>            </div>        </div>    </div>@endsection

原文地址：https://www.cnblogs.com/songbao/p/11188723.html