public function data(){

        if(IS_POST){

        //设置编码防止乱码

        header("Content-Type:text/html;charset=utf-8");

            $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','csv');// 设置附件上传类

            $upload->rootPath  =     'Uploads/';

            $upload->savePath  =     ''; // 设置附件上传目录

            // 上传文件

            $info   =   $upload->uploadOne($_FILES['excel']);

            $filename = 'Uploads/'.$info['savepath'].$info['savename'];

            $exts = $info['ext'];

           // var_dump($info);

            if(!$info) {// 上传错误提示错误信息

                  $this->error($upload->geterror());

              }else{// 上传成功

                  $this->data_import($filename, $exts);

            }

        }

    }

protected function data_import($filename, $exts='xls')

    {

        //导入PHPExcel类库，因为PHPExcel没有用命名空间，只能inport导入

        import("Org.Util.PHPExcel");

        //创建PHPExcel对象，注意，不能少了\

        $PHPExcel=new \PHPExcel();

        //如果excel文件后缀名为.xls，导入这个类

        if($exts == 'xls'){

            import("Org.Util.PHPExcel.Reader.Excel5");

            $PHPReader=new \PHPExcel_Reader_Excel5();

        }else if($exts == 'xlsx'){

            import("Org.Util.PHPExcel.Reader.Excel2007");

            $PHPReader=new \PHPExcel_Reader_Excel2007();

        }else if($exts == 'csv'){

            import("Org.Util.PHPExcel.Reader.CSV");

            $PHPReader=new \PHPExcel_Reader_CSV();

        }

        //var_dump($PHPReader);die;

        //载入文件

        $PHPExcel=$PHPReader->load($filename);

        //获取表中的第一个工作表，如果要获取第二个，把0改为1，依次类推

        $currentSheet=$PHPExcel->getSheet(0);

        //获取总列数

        $allColumn=$currentSheet->getHighestColumn();

        //获取总行数

        $allRow=$currentSheet->getHighestRow();

        //循环获取表中的数据，$currentRow表示当前行，从哪行开始读取数据，索引值从0开始

        for($currentRow=1;$currentRow<=$allRow;$currentRow++){

            //从哪列开始，A表示第一列

            for($currentColumn='A';$currentColumn<=$allColumn;$currentColumn++){

                //数据坐标

                $address=$currentColumn.$currentRow;

                //读取到的数据，保存到数组$arr中

                $data[$currentRow][$currentColumn]=$currentSheet->getCell($address)->getValue();

            }

        }

        $this->save_import($data);

    }

//保存导入数据

    public function save_import($data)

    {

        //print_r($data);exit;

        $bath = M('data');

        //插入新数据时先清空原表数据，没有这个需要可以注释下面步骤

        //M('mobile')->where('1=1')->delete();

        foreach ($data as $k=>$v){

                //$mobile=$v['A'];   //注：****** （1）处

                $info['a'] = $v['A'];

                $info['b'] = $v['B'];

                $info['c']=$v['C'];

                $info['d_water']=$v['D'];

                $info['e']=$v['E'];

                $info['f']=$v['F'];

                $arr[] = $info;

        }

        $result=$bath->addall($arr);

        if($result){

            $this->success('数据导入成功');

        }else{

            $this->error('数据导入失败');

        }

        //print_r($info);

    }

public function excel(){

        //引入PHPExcel库文件

        Vendor('PHPExcel.Classes.PHPExcel');

        //创建对象

        $excel = new PHPExcel();

        //Excel表格式,这里简略写了8列

        $letter = array('A','B','C','D','E','F','F','G');

        //表头数组

        $tableheader = array('序号','客栈名称','客栈地址','座机','手机','QQ','邮箱');

        //填充表头信息

        for($i = 0;$i < count($tableheader);$i++) {

            $excel->getActiveSheet()->setCellValue("$letter[$i]1","$tableheader[$i]");

        }

        //表格数组

        $data = array(

                array('1','B','C','D','E','F','G'),

                array('2','B','C','D','E','F','G'),

                array('3','B','C','D','E','F','G'),

                array('4','B','C','D','E','F','G'),

                array('5','B','C','D','E','F','G'),

                array('6','B','C','D','E','F','G'),

               array('7','B','C','D','E','F','G'),

        );

        //填充表格信息

        for ($i = 2;$i <= count($data) + 1;$i++) {

            $j = 0;

            foreach ($data[$i - 2] as $key=>$value) {

                $excel->getActiveSheet()->setCellValue("$letter[$j]$i","$value");

                $j++;

            }

        }

        //创建Excel输入对象

        $write = new PHPExcel_Writer_Excel5($excel);

        header("Pragma: public");

        header("Expires: 0");

        header("Cache-Control:must-revalidate, post-check=0, pre-check=0");

        header("Content-Type:application/force-download");

        header("Content-Type:application/vnd.ms-execl");

        header("Content-Type:application/octet-stream");

        header("Content-Type:application/download");;

        header('Content-Disposition:attachment;filename="客栈信息.xls"');

        header("Content-Transfer-Encoding:binary");

        $write->save('php://output');