xintian/application/api/controller/Upload.php

<?php
namespace app\api\controller;

use app\common\controller\Api;

/**
 * 前端上传接口
 * @ApiWeigh   (90)
 */
class Upload extends Api
{
    protected $noNeedLogin = '';//都需要登录


    /**
     * 上传头像
     *
     * @ApiTitle    (上传头像)
     * @ApiSummary  (上传头像上传头像)
     * @ApiMethod   (POST)
     * @ApiHeaders  (name="user-token", type="string", required=true, description="请求的Token")
     * @ApiRoute    (/api/upload/upload)
     * @ApiParams   (name="user_id", type="int", required=true, description="用户user_id")
     * @ApiParams   (name="token", type="int", required=true, description="请求的Token")
     * @ApiParams   (name="file", type="file", required=true, description="图片文件")
     * @ApiReturn   ({
        "code": 1,
        "msg": "ok",
        "time": "1604727883",
        "data": "/uploads/images/202011/5fa6344bbadaa.jpg"
    })
     */
    public function upload()
    {
        $file_file='images';

        $dir = ROOT_PATH . 'public' . DS . 'uploads/'.$file_file.'/'.date('Ym').'/';
        if (!file_exists($dir)) {
            mkdir($dir, 0700,true);
        }

        $files = $_FILES;
        $imageArr = Array();
        foreach ($files as $file) {
            $imageName = $file['name'];
            //后缀名
            $ext = strtolower(substr(strrchr($imageName,'.'),1));

            //保存文件名
            $fileName = uniqid();
            $tmp = $file['tmp_name'];

            //保存 = 路径 + 文件名 + 后缀名
            $imageSavePath = $dir.$fileName.'.'.$ext;

            $info = move_uploaded_file($tmp, $imageSavePath);

            if ($info) {
                $path = '/uploads/'.$file_file.'/'.date('Ym').'/'.$fileName.'.'.$ext;
                array_push($imageArr, $path);
            }
        }
        //最终生成的字符串路径
        $imagePathStr = implode(',', $imageArr);
        //return $imagePathStr;
        $this->result('ok', $imagePathStr, 1);
    }
}