Php CodeIgniter图像上传(将空白插入阵列)

Php CodeIgniter图像上传(将空白插入阵列),php,image,codeigniter,file-upload,Php,Image,Codeigniter,File Upload,我正在使用的表单包含五个人的信息。或者,用户可以为五个人中的每一个人上传一张照片。我正在尝试将默认图像插入到未上载图像的结果数组$files中。非常感谢您的帮助 function multiple_upload($upload_dir = APPPATH, $config = array()) { $CI =& get_instance(); $files = array(); if(empty($config)) { $config['

我正在使用的表单包含五个人的信息。或者,用户可以为五个人中的每一个人上传一张照片。我正在尝试将默认图像插入到未上载图像的结果数组$files中。非常感谢您的帮助

function multiple_upload($upload_dir = APPPATH, $config = array())
{
    $CI =& get_instance();
    $files = array();

    if(empty($config))
    {
        $config['upload_path']   = realpath($upload_dir . '/uploads');
        $config['allowed_types'] = 'gif|jpg|jpeg|jpe|png';
        $config['max_size']      = '2048';
    }

    $CI->load->library('upload', $config);

    $errors = FALSE;
    $this->load->library('image_lib');  // moved outside loop so it'll work
    foreach($_FILES as $key => $value)
    {
        if( ! empty($value['name']))
        {
            if( ! $CI->upload->do_upload($key))
            {
                $data['upload_message'] = $CI->upload->display_errors(ERR_OPEN, ERR_CLOSE); // ERR_OPEN and ERR_CLOSE are error delimiters defined in a config file
                $CI->load->vars($data);

                $errors = TRUE;
            }
            else
            {

                // resize the saved image
                $path = $CI->upload->data('full_path');
                //echo $path['full_path'] . "<Br/>";
                $config = array(
                    'source_image' => $path['full_path'],
                    'new_image' => $upload_dir . 'uploads/thumbs',
                    'maintain_ration' => true,
                    'width' => 150,
                    'height' => 150
                );

                $this->image_lib->initialize($config);
                $this->image_lib->resize();
                // Build a file array from all uploaded files
                $files[] = $CI->upload->data();


            }
        }
    }

    // There was errors, we have to delete the uploaded files
    if($errors)
    {
        foreach($files as $key => $file)
        {
            @unlink($file['full_path']);
        }
    }
    elseif(empty($files) AND empty($data['upload_message']))
    {
        $CI->lang->load('upload');
        $data['upload_message'] = ERR_OPEN.$CI->lang->line('upload_no_file_selected').ERR_CLOSE;
        $CI->load->vars($data);
    }
    else
    {

        return $files;

    }

}
函数多重上传($upload\u dir=APPPATH,$config=array()) { $CI=&get_instance(); $files=array(); if(空($config)) { $config['upload_path']=realpath($upload_dir.'/uploads'); $config['allowed_types']='gif | jpg | jpeg | jpe | png'; $config['max_size']='2048'; } $CI->load->library('upload',$config); $errors=FALSE; $this->load->library('image_lib');//已移动到循环外部,因此它可以工作 foreach($\文件为$key=>$value) { 如果(!empty($value['name'])) { 如果(!$CI->上传->上传($key)) { $data['upload\u message']=$CI->upload->display\u errors(ERR\u OPEN,ERR\u CLOSE);//ERR\u OPEN和ERR\u CLOSE是配置文件中定义的错误分隔符 $CI->load->vars($data); $errors=TRUE; } 其他的 { //调整已保存图像的大小 $path=$CI->upload->data('full_path'); //echo$path['full_path']。“
”; $config=array( 'source_image'=>$path['full_path'], “新建图像”=>$upload\U dir。“上传/拇指”, “保持定量”=>正确, “宽度”=>150, “高度”=>150 ); $this->image\u lib->initialize($config); $this->image_lib->resize(); //从所有上载的文件构建文件数组 $files[]=$CI->upload->data(); } } } //有错误,我们必须删除上传的文件 如果($errors) { foreach($key=>$file形式的文件) { @取消链接($file['full_path']); } } elseif(空($files)和空($data['upload_message'])) { $CI->lang->load('upload'); $data['upload\u message']=ERR\u OPEN.$CI->lang->line('upload\u no\u file\u selected')。ERR\u CLOSE; $CI->load->vars($data); } 其他的 { 返回$files; } }
在验证上传的文件后,进行检查可能会更容易

例如:使用五个空元素初始化一个数组,每个图片一个,然后对于上载的每个文件,将其文件名设置为相应的数组元素。完成后,只需运行所有空元素,只需将文件(或文件路径)固定到默认图像

这样,您可以尽可能地保持文件上传和验证,并单独处理页面的业务逻辑