开发H5项目的时候我们总是需要用到下拉滚动刷新的方式加载页面。这里用 Laravel 实现一下，直接上代码：
创建模型
这里我们不妨创建一个 文章（Post）模型， 并且生成测试数据 50 条吧。
|
1
|
php artisan make:model -m |
模型Post.php
|
1
2
3
4
5
6
7
8
9
10
11
|
namespace App;use Illuminate\Database\Eloquent\Model;class Post extends Model{ public $fillable = ['title','description']; } |
迁移文件
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
use Illuminate\Database\Schema\Blueprint;use Illuminate\Database\Migrations\Migration;class CreatePostTable extends Migration{ /** * Run the migrations. * * @return void */ public function up() { Schema::create('posts', function (Blueprint $table) { $table->increments('id'); $table->string('title'); $table->text('description'); $table->timestamps(); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::drop("posts"); }} |
测试数据 ModelFactory.php
|
1
2
3
4
5
6
|
$factory->define(App\Post::class, function (Faker\Generator $faker) { return [ 'title' => $faker->sentence, 'description' => $faker->paragraph, ];}); |
填充
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
<?phpuse Illuminate\Database\Seeder;class DatabaseSeeder extends Seeder{ /** * Run the database seeds. * * @return void */ public function run() { // $this->call(UsersTableSeeder::class); factory(App\Post::class, 50)->create(); }} |
路由
|
1
|
Route::get('my-post', 'PostController@myPost'); |
控制器
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
namespace App\Http\Controllers;use Illuminate\Http\Request;use App\Http\Requests;use App\Post;class PostController extends Controller{ public function myPost(Request $request) { $posts = Post::paginate(6); if ($request->ajax()) { $view = view('data',compact('posts'))->render(); return response()->json(['html'=>$view]); } return view('my-post',compact('posts')); }} |
视图文件 resources/view/my-post.php
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
<!DOCTYPE html><html><head> <title>Laravel 分页滚动加载</title> <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script> <link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="external nofollow" rel="stylesheet"> <style type="text/css"> .ajax-load{ background: #e1e1e1; padding: 10px 0px; width: 100%; } </style></head><body><div class="container"> <h2 class="text-center">Laravel 分页滚动加载</h2> <br/> <div class="col-md-12" id="post-data"> @include('data') </div></div><div class="ajax-load text-center" style="display:none"> <p>加载更多……</p></div><script type="text/javascript"> var page = 1; $(window).scroll(function() { if($(window).scrollTop() + $(window).height() + 1>= $(document).height()) { page++; loadMoreData(page); } }); function loadMoreData(page){ $.ajax( { url: '?page=' + page, type: "get", beforeSend: function() { $('.ajax-load').show(); } }) .done(function(data) { //console.log(data.html); if(data.html == " "){ $('.ajax-load').html("没有数据了……"); return; } $('.ajax-load').hide(); $("#post-data").append(data.html); }) .fail(function(jqXHR, ajaxOptions, thrownError) { alert('服务未响应……'); }); }</script></body></html> |
resources/view/data.php
|
1
2
3
4
5
6
7
8
9
10
11
12
|
@foreach($posts as $post)<div> <h3><a href="">{{ $post->title }}</a></h3> <p>{{ str_limit($post->description, 400) }}</p> <div class="text-right"> <button class="btn btn-success">Read More</button> </div> <hr style="margin-top:5px;"></div>@endforeach |
效果：
以上这篇Laravel 简单实现Ajax滚动加载示例就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://www.jianshu.com/p/1f6459d0946f
