// 单个文件请手册，这里多个文件中，参数设置可参考手册view 视图<form...><input type="file" name="userfile[]"><input type="file" name="userfile[]">...</form>controller 控制器<?php$config[‘upload_path‘] = ‘./uploads/‘;
$config[‘allowed_types‘] = ‘gif|gpg|gpeg|png‘;
$config[‘max_size‘] = ‘2000‘;
$config[‘max_width‘] = ‘1024‘;
$config[‘max_height‘] = ‘1000‘;

$this->load->library(‘upload‘, $config);

// 函数用来分析数组multifile_array();foreach ($_FILES as $file => $file_data){  $this->upload->do_upload($file);  // 返回的信息，可入数据库  $data[] = array(‘upload_data‘ => $this->upload->data());}// multifile_array()函数function multifile_array(){    if(count($_FILES) == 0)        return;       $files = array();    $all_files = $_FILES[‘userfile‘][‘name‘];    $i = 0;       foreach ($all_files as $filename) {        $files[++$i][‘name‘] = $filename;        $files[$i][‘type‘] = current($_FILES[‘userfile‘][‘type‘]);        next($_FILES[‘userfile‘][‘type‘]);        $files[$i][‘tmp_name‘] = current($_FILES[‘userfile‘][‘tmp_name‘]);        next($_FILES[‘userfile‘][‘tmp_name‘]);        $files[$i][‘error‘] = current($_FILES[‘userfile‘][‘error‘]);        next($_FILES[‘userfile‘][‘error‘]);        $files[$i][‘size‘] = current($_FILES[‘userfile‘][‘size‘]);        next($_FILES[‘userfile‘][‘size‘]);    }    $_FILES = $files;}    ?>