laravel5.5上传缩略图

安装环境

• PHP >= 5.4
• Fileinfo Extension

• gd库

composer require intervention/image

laravel配置

config/app里面增加：

在providers中增加

Intervention\Image\ImageServiceProvider::class,

在aliases中增加

'Image' => Intervention\Image\Facades\Image::class,

后台控制器

<?php

namespace App\Http\Controllers\Admin\Article;

use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use Intervention\Image\ImageManagerStatic as Image;
class ArticleController extends Controller
{
   
    public function addArticleDeal(Request $request)
    {
        if ($request->hasFile('photo') && $request->file('photo')->isValid()) {
            $photo = $request->file('photo');
            $file_name = uniqid().'.'.$photo->getClientOriginalExtension();
            $file_path =public_path('article/images');
            $thumbnail_file_path = $file_path . '/thumbnail-'.$file_name;
            $image = Image::make($photo)->resize(200, 200, function ($constraint) {$constraint->aspectRatio();})->save($thumbnail_file_path);
            echo '上传成功';
        }
        exit('未获取到上传文件或上传过程出错');
    }
}

参考链接http://image.intervention.io/getting_started/installation#laravel