huahuibao/app/shop/controllers/UploadController.php

<?php

namespace shop\controllers;

use biz\goods\services\CategoryService;
use biz\goods\services\PicCategoryService;
use biz\goods\services\PicService;
use common\components\business;
use common\components\dirUtil;
use common\components\stringUtil;
use Yii;
use common\components\util;
use yii\imagine\Image;

class UploadController extends BaseController
{
	
	public $withoutLogin = [];
	
	//上传图片接口
	public function actionSaveImg()
	{
		header('Content-type:text/html;charset=utf-8');
		$base64 = file_get_contents('php://input');
		$base64_image_content = str_replace("content=", "", urldecode($base64));

		$categoryIds = Yii::$app->request->post('categoryId', []);
		if (!empty($categoryIds)) {
			$categoryList = CategoryService::getByIds($categoryIds);
			foreach ($categoryList as $cat) {
				if ($cat['merchantId'] != $this->merchantId) {
					util::fail('请选择自己的分类');
				}
			}
		}
		
		//匹配出图片的格式
		if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)) {
			$type = $result[2];
			$merchantId = $this->merchantId;
			$month = date("Ym");
			$date = date("d");
			$path = dirUtil::getImgUploadDir() . "/{$merchantId}/{$month}/{$date}/";
			if (!file_exists($path)) {
				//检查是否有该文件夹，如果没有就创建，并给予最高权限
				mkdir($path, 0700, true);
			}
			$preFileName = stringUtil::uniqueFileName();
			$newFile = $preFileName . ".{$type}";
			$fullPathFile = $path . $newFile;
			if (file_put_contents($fullPathFile, base64_decode(str_replace($result[1], '', $base64_image_content))) == false) {
				util::fail('上传失败！！');
			}
			$img = "/uploads/{$merchantId}/{$month}/{$date}/" . $newFile;
			$imgInfo = getimagesize($fullPathFile);
			$width = $imgInfo[0];
			$height = $imgInfo[1];
			
			//如果图片太大，进行压缩，并删除原图
			if ($width > 800) {
				$newWidth = 800;
				$newHeight = ceil((800 * $height) / $width);
				$preFileName = stringUtil::uniqueFileName();
				$newFile = $preFileName . ".{$type}";
				$newFullPathFile = $path . $newFile;
				Image::thumbnail($fullPathFile, $newWidth, $newHeight)->save($newFullPathFile, ['quality' => 100]);
				$width = $newWidth;
				$height = $newHeight;
				$img = "/uploads/{$merchantId}/{$month}/{$date}/" . $newFile;
				unlink($fullPathFile);
				$fullPathFile = $newFullPathFile;
			}

			//生成小图 200px
			$smallWidth = 200;
			$smallHeight = ceil((200 * $height) / $width);
			$smallFullPathFile = $path . $preFileName . '_small.' . $type;
			Image::thumbnail($fullPathFile, $smallWidth, $smallHeight)->save($smallFullPathFile, ['quality' => 100]);

			$data = business::formatUploadImg($img);

			if (!empty($categoryIds)) {
				$time = time();
				$data = ['img' => $img, 'merchantId' => $merchantId, 'name' => '未命名', 'addTime' => $time];
				$pic = PicService::add($data);
				$currentId = $pic['id'];
				$add = [];
				foreach ($categoryIds as $cat) {
					$add[] = ['categoryId' => $cat, 'picId' => $currentId, 'merchantId' => $this->merchantId];
				}
				PicCategoryService::batchAdd($add);
			}

			$data['shortUrl'] = $img;
			util::success($data);
		}
		util::fail('上传失败！');
	}
	
	//保存图片 shish 2019.12.20
	public function actionSave()
	{
		header('Content-type:text/html;charset=utf-8');
		$base64_image_content = '';
		//匹配出图片的格式
		if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)) {
			$type = $result[2];
			$merchantId = 12358;
			$month = date("Ym");
			$date = date("d");
			$path = dirUtil::getImgUploadDir() . "/{$merchantId}/{$month}/{$date}/";
			if (!file_exists($path)) {
				//检查是否有该文件夹，如果没有就创建，并给予最高权限
				mkdir($path, 0700, true);
			}
			$preFileName = stringUtil::uniqueFileName();
			$newFile = $preFileName . ".{$type}";
			$fullPath = $path . $newFile;
			if (file_put_contents($fullPath, base64_decode(str_replace($result[1], '', $base64_image_content))) == false) {
				util::fail('上传失败');
			}
			$img = "/uploads/{$merchantId}/{$month}/{$date}/" . $newFile;
			$data = business::formatUploadImg($img);
			$data['shortUrl'] = $img;
			util::success($data);
		}
	}
	
}