例子一：

/** * 多文件上傳 *  * @author Dream <dream@shanjing-inc.com> */public function multiple_uploads() {  //載入所需類庫  $this->load->library('upload');    //配置上傳參數(shù)  $upload_config = array(      'upload_path'  => '',      'allowed_types' => 'jpg|png|gif',      'max_size'   => '500',      'max_width'   => '1024',      'max_height'  => '768',  );  $this->upload->initialize($upload_config);      //循環(huán)處理上傳文件  foreach ($_FILES as $key => $value) {    if (!empty($key['name'])) {      if ($this->upload->do_upload($key)) {        //上傳成功        print_r($this->upload->data());      } else {        //上傳失敗        echo $this->upload->display_errors();      }    }  }}

例子二：

function upload() {    $config['upload_path'] = './uploads/';     /*這里的uploads是相對于index.php的,也就是入口文件,這個千萬不要弄錯哦!    否則就會報錯"The upload path does not appear to be valid.";     */    $config['allowed_types'] = 'gif|jpg|png';    /*我試著去上傳其它類型的文件,這里一定要注意順序!     A problem was encountered while attempting to move the uploaded file to the final destination.    這個錯誤一般是上傳文件的文件名不能是中文名,這個很郁悶!還未解決,大家可以用其它方法,重新改一下文件名就可以解決了!     $config['allowed_types'] = 'zip|gz|png|gif|jpg';(正確)    $config['allowed_types'] = 'png|gif|jpg|zip|gz';(錯誤)    */    $config['max_size'] = '1024';    $config['max_width'] = '1024';    $config['max_height'] = '768';    $config['file_name'] = time(); //文件名不使用原始名    $this->load->library('upload', $config);    if(!$this->upload->do_upload()) {        echo $this->upload->display_errors();    }else{       $data['upload_data']=$this->upload->data(); //文件的一些信息       $img=$data['upload_data']['file_name']; //取得文件名       echo $img."<br>";       foreach($data['upload_data'] as $item => $value){       echo $item.":".$value."<br>";      }    }}

php技術：2個Codeigniter文件批量上傳控制器寫法例子，轉載需保留來源！

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