<?php
 function upload(){

	$upload = new \Think\Upload();// 实例化上传类
	$upload->maxSize   =     3145728 ;// 设置附件上传大小
	$upload->exts      =     array('xls', 'xlsx');// 设置附件上传类型
	$upload->rootPath='./Public/';
	$upload->savePath  =      './Uploads/'; // 设置附件上传目录
	// 上传单个文件
	$info   =   $upload->uploadOne($_FILES['importFile']);
	if(!$info) {
		$return=array(0,$upload->getError());
		
	}else {
		$path='./Public/'.$info['savepath'].$info['savename'];
		$return=array(1,$path);
	}
	return  $return;
 }