laravel实现上传图片，并且制作缩略图_laravel图片生成缩略图-优快云博客

本文介绍如何在Laravel项目中引入并配置Intervention Image包，实现图片的上传与处理。通过具体代码示例，展示了如何验证图片、调整尺寸及保存图片。

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\Business;

use App\Validate\ActivityValidate;
use App\Validate\ButionValidate;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use App\Models\Activity as ActivityModel;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Facades\Validator;
use Intervention\Image\ImageManagerStatic as Image;
class Activity extends Controller
{
    /**
     * 添加图片
     */
     public function addProcess(){
        $inputData = request()->all();
        $rules = [
            'main_img' => [ 'file','image','max:10240' ]
        ];
        $validator = Validator::make($inputData,$rules);
        if($validator->fails()){
            return back()->withErrors($validator)->withInput();
        }
       
            $photo = $inputData['main_img'];
            $file_name = uniqid().'.'.$photo->getClientOriginalExtension();
            $file_relative_path = 'assess/images/content/'.date('Y-m-d');
            $file_path = public_path($file_relative_path);
            if (!is_dir($file_path)){
                mkdir($file_path);
            }
            $thumbnail_file_path = $file_path . '/thumbnail-'.$file_name;
            $image = Image::make($photo)->resize(200, null, function ($constraint) {$constraint->aspectRatio();})->save($thumbnail_file_path);
            $file_path .= '/'.$file_name;
            $image = Image::make($photo)->save($file_path);
      
      echo ‘上传成功!’;
    }

}