第一贴:多文件上传修改扩展类[参考别人代码，调试成功]

liuwenming8983

file:///C:/Users/hanpang/AppData/Local/YNote/Data/kk_8983@163.com/425813b2aa8c450f9c47326cc4949567/clipboard.pngfile:///C:/Users/hanpang/AppData/Local/YNote/Data/kk_8983@163.com/425813b2aa8c450f9c47326cc4949567/clipboard.png<?php
class MY_Upload extends CI_Upload {
public function __construct($props = array()) {
  parent::__construct($props);
}

/**
  * Upload more file
  *
  * $param string field
  * @return array
  */
public function multiple($field) {

  // Is $_FILES[$field] set? If not, no reason to continue.
  if (!isset($_FILES[$field])) {
   $this -> set_error('upload_no_file_selected');
   return FALSE;
  }

  // 临时文件上传数组，用于整合自己想要的形式
  $tmpfiles = array();
  for ($i = 0, $len = count($_FILES[$field]['name']); $i < $len; $i++) {
   if ($_FILES[$field]['size'][$i]) {
    $tmpfiles['_SR_' . $i] = array(
     'name' => $_FILES[$field]['name'][$i],
     'type' => $_FILES[$field]['type'][$i],
     'tmp_name' => $_FILES[$field]['tmp_name'][$i],
     'error' => $_FILES[$field]['error'][$i],
     'size' => $_FILES[$field]['size'][$i]
    );
   }
  }

  //覆盖 $_FILES 内容
  $_FILES = $tmpfiles;

  $errors = array();
  $files = array();
  $index = 0;
  $_tmp_name = preg_replace('/(.[a-z]+)$/', '', $this -> file_name);
  foreach ($_FILES as $key => $value) {
   /*
    * 多文件上传的命名规则，用于替代CI中自由的文件命名方式
    *
    * -SR-17-50557-0.jpg
    * -SR-17-50557-1.jpg
    * -SR-17-50557-2.jpg
    */
   //$this -> _file_name_override = $key . '_' . $index;
   if (!$this -> do_upload($key)) {
    $errors[$index] = $this -> display_errors('', '');
    $this -> error_msg = array();
   } else {
    $files[$index] = $this -> data();
   }
   $index++;
  }
  // 返回数组
  return array('error' => $errors, 'files' => $files);
}

}
?>