他试图显示从db
到index page
的数据,但显示:Call to undefined function App\Http\Controllers\Post()
控制器:
<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
use App\Post;
class IndexController extends Controller
{
public function index()
{
$data = Post();
return view('index', compact('data'));
//return view('index');
}
我该如何解决
答案 0 :(得分:2)
您试图将Post()
作为方法/函数而不是Model Post来调用,并且由于Post()不存在,因此会出现此错误。
要使用您的帖子模型返回所有帖子,您应该这样写:
$data = Post::all(); // To return all posts
或者如果您想基于数据库中的某些字段对其进行过滤
$data = Post::where('active', 1)->get(); // Get all active posts (you need to adjust to any field you have on your database)
您的代码可能类似于:
<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
use App\Post;
class IndexController extends Controller
{
public function index()
{
$data = Post::all();
return view('index', compact('data'));
}
请在这里阅读有关雄辩的更多信息: https://laravel.com/docs/5.8/eloquent
答案 1 :(得分:0)
正确的语法应为:
An unhandled exception occurred while processing the request.
docs:https://laravel.com/docs/5.8/requests#accessing-the-request
答案 2 :(得分:0)
您应该修改您的代码:
def ftn1():
...
def ftn2():
...
x=0;
itertools.product(x=ftn1(x), x=ftn2(x), .., x=ftnk(x), [repeat=10])
获取所有帖子
答案 3 :(得分:0)
$data = Post();
将all()方法添加到此行
$data = Post::all();