www.x-motion.cn/Application/Admin/Controller/CommonController.class.php

<?php
namespace Admin\Controller;

use Common\Controller\BaseController;
use Common\Server\RegularServer;
use Common\Common\Common;

/**
 * 公共控制器
 */
class CommonController extends BaseController {

    public function __construct() {
        parent::__construct();
    }

    /**
     * 生成验证码
     * @author: huangch
     */
    public function get_verify_code() {
        $config = array(
            'fontSize' => 18, // 验证码字体大小
            'length' => 4, // 验证码位数
            'useNoise' => false, // 关闭验证码杂点
            'imageW' => 120,
            'imageH' => 50
        );
        $Verify = new \Think\Verify($config);
        $Verify->entry();
    }

    /**
     * 验证图片验证码
     * @param $code
     * @param string $id
     * @return bool
     * @author: huangch
     */
    public function check_verify($code, $id = ''){
        $verify = new \Think\Verify();
        return $verify->check($code, $id);
    }

    /**
     * 图片上传
     * @author: huangch
     */
    public function img_upload(){
        header('Content-Type:application/json; charset=utf-8');
        $Common = new Common();
        $img = I('post.file',null);
        $img = $Common->base64_upyun($img);
        $this->apiReturn(true,['url' => $img],'上传成功');
    }

	public function base64_upload($img) {
		$Common = new Common();
		$url = $Common->base64_upyun($img);
		return $url;
	}

	public function file_upload() {
		$Common = new Common();
		$url = $Common->upload();
		$url = $this->img_upyun($url);
		die(json_encode($url));
	}

	//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 $e) {
			dump($e->getMessage());
		}
	}

    /**
     * 上传图片到又拍云并返回地址
     */
    public function upload_upyun(){
        if(IS_POST) {
            $img = I('post.img');
            if ('data:image' == substr($img, 0, 10)) {
                $Common = new \Common\Common\Common();
                $url = $Common->base64_upyun($img);
                $this->success($url);
            } else {
                $this->error('图片错误');
            }
        } else {
            $this->display();
        }
    }
}