lxwx/application/api/controller/Index.php

<?php

namespace app\api\controller;

use app\common\controller\Api;
use app\common\exception\UploadException;
use app\common\library\Upload;
use think\Config;

/**
 * 首页接口
 */
class Index extends Api
{
    protected $noNeedLogin = ['*'];
    protected $noNeedRight = ['*'];

    /**
     * 首页
     *
     */
    public function index()
    {
        $this->success('请求成功');
    }
    
    public function uploads()
    {
        // 获取base64
        $img = $this->request->post('base64img');
        if(!$img){
            $this->error('参数缺失！');
        }
        //获取base64中图片数据
        $url = explode(',', $img);
        if(!isset($url[1])){
            $this->error('参数有误！！');
        }
        //$img = str_replace(' ', '+', $img);
        $data = base64_decode($url[1]);
        
        if ($url[1] != base64_encode(base64_decode($url[1]))) {
            $this->error('参数有误！');
        }
     
        $file_name = md5(microtime(true));// 图片名称
        $this->createDir(ROOT_PATH . 'public/uploads/'.date("Ymd") ."/");
        $path = ROOT_PATH . 'public/uploads/'.date("Ymd") ."/". $file_name. '.png'; // 图片保存路径
        //$url = 'http://xxx.xx.xxx/uploads/'. date("Ymd") ."/" . $file_name . '.png'; // 用于访问图片的地址
     
        $r = file_put_contents($path, $data);// 生成图片
        if (!$r) {
            $this->error("上传失败");
        }else{
            return $this->success(__('Uploaded successful'), ['url' => 'uploads/'.date("Ymd") ."/". $file_name. '.png']);
        }
    }
    
    public function createDir($dir) {
    	if  (!is_dir ($dir )) {
    		mkdir($dir, 0777, true);
    		chmod($dir, 0777);			
    	}	
    }

    /**
     * 上传文件
     * @ApiMethod (POST)
     * @param File $file 文件流
     */
    public function upload()
    {
        Config::set('default_return_type', 'json');
        //必须设定cdnurl为空,否则cdnurl函数计算错误
        Config::set('upload.cdnurl', '');
        $chunkid = $this->request->post("chunkid");
        if ($chunkid) {
            if (!Config::get('upload.chunking')) {
                $this->error(__('Chunk file disabled'));
            }
            $action = $this->request->post("action");
            $chunkindex = $this->request->post("chunkindex/d");
            $chunkcount = $this->request->post("chunkcount/d");
            $filename = $this->request->post("filename");
            $method = $this->request->method(true);
            if ($action == 'merge') {
                $attachment = null;
                //合并分片文件
                try {
                    $upload = new Upload();
                    $attachment = $upload->merge($chunkid, $chunkcount, $filename);
                } catch (UploadException $e) {
                    $this->error($e->getMessage());
                }
                $this->success(__('Uploaded successful'), ['url' => $attachment->url, 'fullurl' => cdnurl($attachment->url, true)]);
            } elseif ($method == 'clean') {
                //删除冗余的分片文件
                try {
                    $upload = new Upload();
                    $upload->clean($chunkid);
                } catch (UploadException $e) {
                    $this->error($e->getMessage());
                }
                $this->success();
            } else {
                //上传分片文件
                //默认普通上传文件
                $file = $this->request->file('file');
                try {
                    $upload = new Upload($file);
                    $upload->chunk($chunkid, $chunkindex, $chunkcount);
                } catch (UploadException $e) {
                    $this->error($e->getMessage());
                }
                $this->success();
            }
        } else {
            $attachment = null;
            //默认普通上传文件
            $file = $this->request->file('file');
            
            //var_dump($file);die();
            
            try {
                $upload = new Upload($file);
                $attachment = $upload->upload();
            } catch (UploadException $e) {
                $this->error($e->getMessage());
            }

            $this->success(__('Uploaded successful'), ['url' => $attachment->url, 'fullurl' => cdnurl($attachment->url, true)]);
        }

    }
}