huahuibao/app/admin/controllers/UploadController.php

<?php

namespace backend\controllers;

use Yii;
use yii\web\Controller;
use common\components\stringUtil;
use common\components\util;

class UploadController extends BackendController
{
	
	public $withoutLogin = ['upload-file', 'upload-goods-img'];
	
	/**
	 * 上传图片文件
	 */
	public function actionUploadFile()
	{
		$fileInfo = array('url' => '');
		if (!empty ($_FILES)) {
			$tempFile = $_FILES ['Filedata'] ['tmp_name'];
			$fileParts = explode('.', $_FILES ["Filedata"] ['name']);
			$fileName = $fileParts [0];
			$extName = $fileParts [1];
			$webRoot = Yii::getAlias('@webroot') . '/../../../resource/images/';
			$timeFolder = '/uploads/' . date('Ym', time()) . '/' . date("d") . '/';
			$targetFolder = $timeFolder . strtolower($extName) . '/';
			$targetPath = $webRoot . $targetFolder;
			if (!file_exists($webRoot . $timeFolder))
				mkdir($webRoot . $timeFolder, 0777, true);
			if (!file_exists($webRoot . $targetFolder . ''))
				mkdir($webRoot . $targetFolder, 0777, true);
			$fileId = md5($fileName + rand() * 100000);
			$targetFile = rtrim($targetPath, '/') . '/' . $fileId . '.' . $extName;
			move_uploaded_file($tempFile, $targetFile);
			$fileInfo ['url'] = $targetFolder . $fileId . '.' . $extName;
		}
		echo json_encode($fileInfo);
	}
	
	/**
	 * 上传商品图片
	 */
	public function actionUploadGoodsImg()
	{
		$fileInfo = ['url' => ''];
		if (!empty($_FILES)) {
			$tempFile = $_FILES['Filedata']['tmp_name'];
			$fileParts = explode('.', $_FILES["Filedata"]['name']);
			$fileName = $fileParts[0];
			$extName = $fileParts[1];
			$webRoot = Yii::getAlias('@webroot') . '/../../../resource/images/';
			$timeFolder = '/uploads/' . date('Ym', time()) . '/' . date("d") . '/';
			$targetFolder = $timeFolder . strtolower($extName) . '/';
			$targetPath = $webRoot . $targetFolder;
			if (!file_exists($webRoot . $targetFolder)) {
				mkdir($webRoot . $targetFolder, 0777, true);
			}
			$id = stringUtil::buildOrderNo();
			$substring = $this->merchantId;//商家号
			$fileId = $id . '_' . $substring;
			$targetFile = rtrim($targetPath, '/') . '/' . $fileId . '.' . $extName;
			move_uploaded_file($tempFile, $targetFile);
			
			$dstImg200 = rtrim($targetPath, '/') . '/' . $fileId . '_200.' . $extName;//缩略宽 200px 中
			util::img2thumb($targetFile, $dstImg200, 200, 0, 0, 0);
			
			$dstImg50 = rtrim($targetPath, '/') . '/' . $fileId . '_50.' . $extName;//缩略成宽50px 小
			util::img2thumb($targetFile, $dstImg50, 50, 0, 0, 0);
			
			$fileInfo['url'] = $targetFolder . $fileId . '.' . $extName;
		}
		echo json_encode($fileInfo);
	}
	
	
}