Laravel 5.1中的手動分頁

Question

我有一個從數據庫中獲取的結果數組（超過25個結果）。 我正在嘗試在我的應用程序中實現Laravel分頁。

我想要的是分頁讀取結果。

我得到的是相同結果的分頁。

我到目前為止使用的代碼：

$result = array_slice($fetchAllProducts, 0, 12);

$paginateResults = new Illuminate\Pagination\LengthAwarePaginator($result, count($fetchAllProducts), 12);

我確實得到了分頁，但是在進行檢查時，在第2頁上，在第3頁上，依此類推。等等。在分頁的所有后續頁面上，我都得到了在分頁的第1頁上可見的結果。

請幫助我。 非常感謝您的幫助。

編輯1：代碼

<?php
$productsInParent = $category->products;
$productsInParentCategory = new Illuminate\Support\Collection;
$allProducts = $allProductsFromChild = [];

foreach($productsInParent as $prodInParent) {
    $allProducts[] = $prodInParent;
}

foreach($category->childs as $child) {
    foreach($child->products as $productsInChildren) {
        $allProductsFromChild[] = $productsInChildren;
    }
}

$fetchAllProducts = array_merge($allProducts, $allProductsFromChild);

$result = array_slice($fetchAllProducts, 0, 12);

$paginateResults = new Illuminate\Pagination\LengthAwarePaginator($result, count($fetchAllProducts), 12);
?>

PS：我正在嘗試自己學習如何在Laravel 5.1中集成自定義分頁

Answer 1

分頁器渲染器將在URL中設置page參數，該參數應用於確定切片的偏移量：

$result = array_slice($fetchAllProducts, Request::get('page',1)-1, 12); 

但是我建議更改查詢以在一個查詢中獲得所有結果，並使用QueryBuilder分頁器類似：

$categories = $catgory->childs->pluck('id')->all();
$categegories[] = $category->id;

$paginateResults =Product::whereIn('category_id', $categories)->paginate(12)

Answer 2

<?php

namespace App\Http\Controllers;

use Illuminate\Pagination\LengthAwarePaginator as Paginator;
// use Illuminate\Pagination\Paginator;
use Illuminate\Http\Request;
use App\Product;
class MyController extends Controller
{
    public function index(Request $request){
        $items = Product::all();

        $filter_products = []; // Manual filter or your array for pagination

        foreach($items as $item){
            if($item['id']>40 && $item['id']<50){
                array_push($filter_products, $item);
            }
        }

        $count = count($filter_products); // total product for pagination
        $page = $request->page; // current page for pagination

        // manually slice array of product to display on page
        $perPage = 5;
        $offset = ($page-1) * $perPage;
        $products = array_slice($filter_products, $offset, $perPage);

        // your pagination 
        $products = new Paginator($products, $count, $perPage, $page, ['path'  => $request->url(),'query' => $request->query(),]);
        // use {{ $products->appends($_GET)->links() }} to dispaly your pagination
        return view('index',['products' => $products]);
    }
}