pbootcms通过layui上传实现留言文件上传功能的代码实例

<label for="mobile">头 像</label>
<input class="layui-input" id="ico" name="ico" placeholder="请上传缩略图" type="text" /><button class="layui-btn upload" data-des="ico" type="button">
<i class="layui-icon"></i>上传图片</button>

public function upload()
{
$upload = upload('upload');
if (is_array($upload)) {
json(1, $upload);
} else {
json(0, $upload);
}
}