文件上传接口

    public function Liurui_message_get()    //添加留言
   {
//    $image = [
//       'name'=>'920.jpg',
//       'type'=>'image/jpeg',
//       'tmp_name'=>'C:Users증흩AppDataLocalTempphpB0A1.tmp',
//       'error'=>'0',
//       'size'=>'851395',
//    ]
      $image = $_FILES['image'];                    //图片
      $img_name='';                                      //定义图片新路径
      if(!empty($image)){                                     //上传图片
         if($image['size']/1024 > 10 *1024){                      //限制图片10M
            $this ->_result = [
               'msg'=>'-3'                               //图片过大
            ];
            return false;
         }
         $fileName = $_SERVER['DOCUMENT_ROOT']."/uploads/photo/";      //创建指定路径
         if (!file_exists($fileName)) {                         //进行文件创建
            mkdir($fileName,0777,true);
         }
         $str=$image['name'];
         $type_img=substr($str,strripos($str,'.'));               //.jpg
         $img_name=md5(rtrim($str,$type_img).$_SERVER['REQUEST_TIME_FLOAT']).$type_img; //去重
         $imgName = $fileName.$img_name;                            //进行新名称的拼接
         $result = move_uploaded_file($image['tmp_name'],$imgName);    //上传
         if($result=='false'){
            $this ->_result = [
               'msg'=>'-2'                                  //上传失败
            ];
            return false;
         }
      }
     
     
         $new_img = 'http://'.$_SERVER['HTTP_HOST']."/uploads/photo/".$img_name;                //图片新路径