上传图片

<input class="btn btn-default btn-sm" id="FileUpload1" name="banner" value="" type="file" style='float:left;'> &nbsp;&nbsp;
<?php if( isset($dataCompany['banner_url']) && $dataCompany['banner_url'] != ''){?>
    <img id='photo-0-preview' src="{:cmf_get_image_preview_url($dataCompany['banner_url'])}"
    style='height:36px;width:36px;' onclick="parent.imagePreviewDialog(this.src)">
    <?php } ?>

// 2.banner图片
if (isset($_FILES['banner']['name']) && ($_FILES['banner']['name'] != '')) {
$file = $_FILES['banner'];
$companyId = $param['id'];
$path = $this->getBannerPath($file, $companyId);
DB::name('company')->where('id', $companyId)->setField('banner', $path);
}