thinkphp的Execl表格导入跟导出

先确定项目有没有下载phpexcel这个类库
我的是放在根目录

display();
    }

    //导入
    public function upexcel(){
        if (!D('表名')->autoCheckToken($_POST)){
            $this->error('表单已提交,请勿重复提交');
        }
        set_time_limit(0);
        if (! empty ( $_FILES ['file_stu'] ['name'] )){
            $tmp_file = $_FILES ['file_stu'] ['tmp_name'];
            $file_types = explode ( ".", $_FILES ['file_stu'] ['name'] );
            $file_type = $file_types [count ( $file_types ) - 1];
            /*判别是不是.xls文件，判别是不是excel文件*/
            if (strtolower ( $file_type ) != "xls" and strtolower ( $file_type ) != "xlsx"){
                $this->error ( '不是Excel文件，重新上传' );
            }
            /*设置上传路径*/
            $savePath = APP_PATH . 'public/Excel/';
            if (!file_exists($savePath)){
                mkdir($savePath); 
            }
            /*以时间来命名上传的文件*/
            $str = date ( 'Ymdhis' ); 
            $file_name = $str . "." . $file_type;
            /*是否上传成功*/
            if (! copy ( $tmp_file, $savePath . $file_name )){
                  $this->error ( '上传失败' );
            }

            require_once APP_PATH.'PHPExcel/PHPExcel.php'; 
            require_once APP_PATH.'PHPExcel/PHPExcel/Writer/Excel5.php';     // 用于其他低版本xls 
            require_once APP_PATH.'PHPExcel/PHPExcel/Writer/Excel2007.php'; // 用于 excel-2007 格式 
            $objPHPExcel = new PHPExcel();   
            $PHPReader = new PHPExcel_Reader_Excel2007(); //默认是excel2007  
            $filePath=$savePath.$file_name;  
            if(!$PHPReader->canRead($filePath)){   
                $PHPReader = new PHPExcel_Reader_Excel5(); //如果不成功的时候用以前的版本来读取  
                if(!$PHPReader->canRead($filePath)){   
                    echo 'no Excel';   
                    return ;   
                }   
            }                       
            $PHPExcel = $PHPReader->load($filePath);  
            $currentSheet = $PHPExcel->getSheet(0);  
            //取得一共有多少列  
            $allColumn = $currentSheet->getHighestColumn();     
            //取得一共有多少行  
            $allRow = $currentSheet->getHighestRow();  
            //循环读取数据,默认是utf-8输出 
            //从第二行开始           

            for($currentRow = 2;$currentRow<=$allRow;$currentRow++){  
             
                /*for($currentColumn='A';$currentColumn<=$allColumn;$currentColumn++){  
                    $address = $currentColumn.$currentRow;  
                    var_dump($address."@");  
                    var_dump($currentSheet->getCell($address)->getValue()."\t") ;
                   

                }  */
                $xls_title=$currentSheet->getCell('A'.$currentRow)->getValue();
                $xls_body=$currentSheet->getCell('B'.$currentRow)->getValue();
                $xls_thumb=$currentSheet->getCell('C'.$currentRow)->getValue();
                $data=array(
                'title'=>$xls_title,
                'body'=>$xls_body,
                'thumb'=>$xls_thumb,
                    );
                D('表名')->add($data);
                        
            } 
            $this->success('excel导入成功',U('index'));
            exit;
        }else{
            $this->error('请选择excel表格');
        }
    }

    //导出
    public function   export(){
        $info=D('表名')->select();
            $data[]=array('字段名','字段名','字段名');
            foreach ($info as $k => $v) {
                $data[]=array($v['字段'],$v['字段'],$v['字段']);
            }  


        // $data = array(
        //     array(NULL, 2010, 2011, 2012),
        //     array('Q1',   12,   15,   21),
        //     array('Q2',   56,   73,   86),
        //     array('Q3',   52,   61,   69),
        //     array('Q4',   30,   32,    0),
        //    );
         
        $this->create_xls($data);

    }

    public function create_xls($data,$filename='simple.xls'){
        ini_set('max_execution_time', '0');
        require_once APP_PATH.'PHPExcel/PHPExcel.php'; 
        require_once APP_PATH.'PHPExcel/PHPExcel/Writer/Excel5.php';     // 用于其他低版本xls 
        require_once APP_PATH.'PHPExcel/PHPExcel/Writer/Excel2007.php'; // 用于 excel-2007 格式

        $filename=str_replace('.xls', '', $filename).'.xls';
        $phpexcel = new PHPExcel();
        $phpexcel->getProperties()
            ->setCreator("Maarten Balliauw")
            ->setLastModifiedBy("Maarten Balliauw")
            ->setTitle("Office 2007 XLSX Test Document")
            ->setSubject("Office 2007 XLSX Test Document")
            ->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.")
            ->setKeywords("office 2007 openxml php")
            ->setCategory("Test result file");

        $phpexcel->getActiveSheet()->fromArray($data);
        $phpexcel->getActiveSheet()->setTitle('Sheet1');
        $phpexcel->setActiveSheetIndex(0);
//        $phpexcel->getActiveSheet()->getRowDimension(2)->setRowHeight(35);//设置行高
        ob_end_clean();
        header('Content-Type: application/vnd.ms-excel');
        header("Content-Disposition: attachment;filename=$filename");
        header('Cache-Control: max-age=0');
        header('Cache-Control: max-age=1');
        header ('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the pastheader
        ('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); // always modifiedheader 
        ('Cache-Control: cache, must-revalidate'); // HTTP/1.1
        header ('Pragma: public'); // HTTP/1.0
        $objwriter = PHPExcel_IOFactory::createWriter($phpexcel, 'Excel5');
        $objwriter->save('php://output');
        exit;
    }

   
}