如何解决问题 'SQLSTATE[42S02]:未找到基表或视图
我对 php artisan tinker 有问题,找不到他想要“businesses”表而不是“business”表的原因。 帮我改正错误,我觉得我做了很多) 我的问题:
Illuminate\Database\QueryException with message 'SQLSTATE[42S02]: Base table or view not found: 1146 Table 'homestead.businesses' doesn't exist (SQL: select * from `businesses`)'
我的数据库 business_table.php
<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
class BusinessTable extends Migration
{
/**
* Выполнение миграций.
*
* @return void
*/
public function up()
{
Schema::create('business',function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->string('mail');
$table->string('web-site');
$table->timestamps();
});
}
/**
* Отмена миграций.
*
* @return void
*/
public function down()
{
Schema::drop('business');
}
}
我的控制器:BusinessController.php
<?php
namespace App\Http\Controllers;
use \App\Models\Business;
use Illuminate\Http\Request;
class BusinessController extends Controller
{
public function index()
{
$business = \App\Models\Business::all();
return view('business.index',compact('business'));
}
public function store()
{
$business = new Business();
$business->title = request()->input('title');
$business->description = request()->input('description');
$business->save();
return redirect('/business');
}
}
我的模型:Business.php
<?php
namespace App\Http\Controllers;
use \App\Models\Business;
use Illuminate\Http\Request;
class BusinessController extends Controller
{
public function index()
{
$business = \App\Models\Business::all();
return view('business.index',compact('business'));
}
public function store()
{
$business = new Business();
$business->title = request()->input('title');
$business->description = request()->input('description');
$business->save();
return redirect('/business');
}
}
我的视图文件:business.blade.php
@extends('layouts.layout')
@section('title')Бізнес@endsection
@section ('main_content')
<h1>Бизнес</h1>
<p>
<li>{{ $business->title}}</li>>
</p>
@endsection
图像我的错误: my error
解决方法
Laravel 期望数据库表名是模型的复数版本。
在这种情况下,您的 business
模型变成了一个 businesses
表。
查看此处了解更多信息。
https://laravel.com/docs/8.x/eloquent#table-names
您有两种选择来解决这个问题。
指定您要在业务模型中使用的表名称。
class Business extends Model
{
/**
* The table associated with the model.
*
* @var string
*/
protected $table = 'business';
}
或者更改您的迁移以遵循 Laravel 实践并创建一个业务表。
<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
class BusinessTable extends Migration
{
/**
* Выполнение миграций.
*
* @return void
*/
public function up()
{
Schema::create('businesses',function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->string('mail');
$table->string('web-site');
$table->timestamps();
});
}
/**
* Отмена миграций.
*
* @return void
*/
public function down()
{
Schema::drop('business');
}
}
,
您可以通过在模型中添加表名来解决此问题
在 Business.php
模型中
默认情况下,laravel 尝试获取模型的 plural name,其中 Business
是复数 businesss
laravel 内部检查 Str::plural('business') == "businesses"
class Business extends Model
{
/**
* The table associated with the model.
*
* @var string
*/
protected $table = 'business';
}
参考链接 https://laravel.com/docs/8.x/eloquent#table-names
创建迁移和模型的最佳实践
php artisan modelName -m
----> 确保 modelName 是单数
这样laravel会自动为你创建复数版本的迁移
public function index()
{
$business = \App\Models\Business::all();
return view('business',compact('business'));
}
这里您返回的 business
集合表示表的多行
所以你不能使用 $business->name
因为 business
有多个
@extends('layouts.layout')
@section('title')Бізнес@endsection
@section ('main_content')
<h1>Бизнес</h1>
<p>
@foreach ($business as $singleBusiness)
<li>{{ $singleBusiness->title}}</li>>
@endforeach
</p>
@endsection
,
尝试在模型中指定表格
protected $table = 'business';
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