ci 多个文件同时上传

// 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;

}
?>

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