csapi/application/expand/controller/UploadImage.php

<?php
namespace app\expand\controller;
use app\common\service\HelperService;

/**
 * 上传图片接口
 * Class UploadImage
 * @package app\expand\controller
 */
class UploadImage extends BaseAuth
{
    private $_Account = null;

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

        $this->_Account = $this->getKey($this->_apiCode);
        //验证是否具有访问这个接口的权限
        if(!isset($this->_Account['UploadImage'])){
            HelperService::returnJson(['code'=>400,'msg'=>'UploadImage interface unauthorized access','data'=>[]]);
        }
        
        $this->_addHeader();
    }
    
    /**
     * 添加跨域安全域名
     */
    private function _addHeader(){
        
        if(strpos($this->_Account['AllowOrigin'], 'https://') !== false){
            header("Access-Control-Allow-Credentials: true");
        }
        
        if(isset($this->_Account['AllowOrigin'])){
            header('Access-Control-Allow-Origin:*');
            header("Access-Control-Allow-Methods", "*");
            header("Access-Control-Allow-Headers", "Content-Type,XFILENAME,XFILECATEGORY,XFILESIZE");
        }
    }


    /**
     * 上传
     */
    public function fileUpload(){
        
        $fileStream = $this->request->file('file');
        
        if($fileStream){
            $info = $fileStream->move(ROOT_PATH . 'public' . DS . 'Oss'.DS.$this->_apiCode);
            if($info){
                $url = HelperService::getHttpHeader().$_SERVER['SERVER_NAME'].DS . 'Oss'.DS.$this->_apiCode.DS.$info->getSaveName();
                
                HelperService::returnJson(['code'=>200,'msg'=>"success",'data'=>['url'=>$url]]);
            }else{
                // 上传失败获取错误信息
                HelperService::returnJson(['code'=>400,'msg'=>$fileStream->getError(),'data'=>[]]);
            }
        }
        
        HelperService::returnJson(['code'=>400,'msg'=>'没有上传图片','data'=>[]]);
    }
}