www.x-motion.cn/Application/Common/Server/UploadServer.class.php

<?php

/**
 * Description of UploadServer  文件上传模块
 *
 */

namespace Common\Server;

class UploadServer {

    public function __construct() {
        $this->exts = array('jpg', 'gif', 'png', 'jpeg'); // 设置附件上传类型
    }

    /**
     * 图像上传与裁剪
     * @param type $imgpath         图像存放的位置    根目录  
     * @param str  $saveName        保存文件名
     * @param type $maxWidth        图像存放的位置    子目录  
     * @param bool $savepath           需要生成缩略图，true生成缩略图，false不生成     默认true
     * @return array 
     */
    function uploadImg($imgpath, $saveName) {
        $config = array(
            'maxSize' => 3145728,
            'savePath' => $imgpath,
            'saveName' => $saveName,
            'exts' => array('jpg', 'gif', 'png', 'jpeg'),
        );
        $upload = new \Think\Upload($config);
        $rootPath = 'Public/upload/';
        $info = $upload->upload();

        if ($info) {
            foreach ($info as $key => $val) {
                $results[$key]['img_url'] =  $rootPath .$info[$key]['savepath'] . $val['savename'];
            }
        }
        
        header("Last-Modified: " . gmdate("D, d M Y H:i:s") . "GMT");
        header("Cache-Control: no-cache, must-revalidate");
        return $results;
    }

    //上传单图到又拍云
    public function img_upyun($pic_url) {
        $upyun = new \Common\Common\util\UpYun(UPYUN_BUCKET, UPYUN_NAME, UPYUN_PWD);
        if (strpos($pic_url, ROOT_PATH) === false) {
            $path = ROOT_PATH . '/' . $pic_url;
        } else {
            $path = $pic_url;
        }
        try {
            $fh = fopen($path, 'rb');
            $img_str = end(explode('/', $path));
            $img_arr = explode('.', $img_str);
            $img_name = md5($path . time()); //重新命名图片名称
            $img_path = '/' . date("Y")  .'/'. date("m")  .'/'. date("d") . '/';
            $rsp = $upyun->writeFile('/' . $img_path . $img_name . '.' . end($img_arr), $fh, True);   // 上传图片，自动创建目录
            fclose($fh);
            unlink($pic_url);
            $img = UPYUN_DOMAIN . $img_path . $img_name . '.' . end($img_arr);
            return $img;
        } catch (\Exception $e) {
            cplog('图片上传到upyun错误:'.var_export($e->getMessage(),true));
            return false;
        }
    }

}