Introduction to PHP background image upload works-PHP Tutorial-php.cn

Introduction to PHP background image upload works

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Release： 2023-04-02 14:04:01

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This article mainly introduces the PHP background image uploading works, which has certain reference value. Now I share it with everyone. Friends in need can refer to it.

//把新图片添加到文件夹里
   public function info($file=&#39;&#39;){
        $info = $file->validate([&#39;ext&#39;=>&#39;jpg&#39;])->rule(&#39;uniqid&#39;)->move(ROOT_PATH . &#39;public&#39; . DS . &#39;uploads&#39;); // 移动到框架应用根目录/public/uploads/ 目录下
        if($info){             
           $info->getExtension();// 输出 jpg 
           $pic=$info->getFilename();// 输出 42a79759f284b767dfcb2a0197904287.jpg11.  
           return $pic;    
        }else{      
           echo $file->getError();// 上传失败获取错误信息   
        }
   }
/**
    * 作品添加
    * name  谁的作品
    * tel  电话
    * img1 img2 img3 img4 作品图片
    * address  拍摄地点
    * addtime  拍摄时间
    * picname 作品名称
    * vote 投票情况
    */
   public function zadd(){
       $param=input(&#39;param.&#39;);
       if(empty($param[&#39;tel&#39;])){
           return json([&#39;code&#39;=>2,&#39;message&#39;=>&#39;tel不能为空&#39;]);
       }
$files = request()->file(&#39;img1&#39;);
       $files = [];
       $param = [];
       foreach ($files as $key => $file) {
           $num = $key+1;  //$key 下标
           $img = &#39;img&#39;.$num; //例如：img1
           $param[$img] = $this->info($file);
       }
       $a=db(&#39;user&#39;)->where(&#39;tel&#39;,$param[&#39;tel&#39;])->find();
       if(empty($a)){
           $data=db(&#39;user&#39;)->insertGetId([&#39;name&#39;=>$param[&#39;name&#39;],&#39;tel&#39;=>$param[&#39;tel&#39;],&#39;img1&#39;=>$param[&#39;img1&#39;],&#39;img2&#39;=>$param[&#39;img2&#39;],&#39;img3&#39;=>$param[&#39;img3&#39;],&#39;img4&#39;=>$param[&#39;img4&#39;],&#39;address&#39;=>$param[&#39;address&#39;],&#39;addtime&#39;=>$param[&#39;addtime&#39;],&#39;picname&#39;=>$param[&#39;picname&#39;],&#39;vote&#39;=>$param[&#39;vote&#39;]]);
           if($data){
               return json([&#39;code&#39;=>1,&#39;message&#39;=>&#39;作品添加成功&#39;]);
           }else{
               return json([&#39;code&#39;=>2,&#39;message&#39;=>&#39;作品添加失败&#39;]);
           }
       }else{
           return json([&#39;code&#39;=>3,&#39;message&#39;=>&#39;该手机号已存在&#39;]);
       }
   }
/**
    * 作品列表
    * page 页数  
    * num  条数
    */
   public function list(){
      $param=input(&#39;param.&#39;);
      if(empty($param[&#39;page&#39;])){
           $param[&#39;page&#39;]=1;
      }
if(empty($param[&#39;num&#39;])){
           $param[&#39;num&#39;]=5;
      }
$data=db(&#39;user&#39;)->page($param[&#39;page&#39;],$param[&#39;num&#39;])->select();
      return json([&#39;code&#39;=>1,&#39;data&#39;=>$data]);
   }

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