<?php

/**

 * PHPEXCEL生成excel文件

 * @author:firmy

 * @desc 支持任意行列数据生成excel文件，暂未添加单元格样式和对齐

 */

require_once 'library/PHPExcel.php';

require_once 'library/PHPExcel/Reader/Excel2007.php';

require_once 'library/PHPExcel/Reader/Excel5.php';

include_once 'library/PHPExcel/IOFactory.php';

$fileName = "test_excel";

$headArr = array("第一列","第二列","第三列");

$data = array(array(1,2),array(1,3),array(5,7));

getExcel($fileName,$headArr,$data);

function getExcel($fileName,$headArr,$data){

    if(empty($data) || !is_array($data)){

        die("data must be a array");

    }

    if(empty($fileName)){

        exit;

    }

    $date = date("Y_m_d",time());

    $fileName .= "_{$date}.xlsx";

    //创建新的PHPExcel对象

    $objPHPExcel = new PHPExcel();

    $objProps = $objPHPExcel->getProperties();

    //设置表头

    $key = ord("A");

    foreach($headArr as $v){

        $colum = chr($key);

        $objPHPExcel->setActiveSheetIndex(0) ->setCellValue($colum.'1', $v);

        $key += 1;

    }

    $column = 2;

    $objActSheet = $objPHPExcel->getActiveSheet();

    foreach($data as $key => $rows){ //行写入

        $span = ord("A");

        foreach($rows as $keyName=>$value){// 列写入

            $j = chr($span);

            $objActSheet->setCellValue($j.$column, $value);

            $span++;

        }

        $column++;

    }

    $fileName = iconv("utf-8", "gb2312", $fileName);

    //重命名表

    $objPHPExcel->getActiveSheet()->setTitle('Simple');

    //设置活动单指数到第一个表,所以Excel打开这是第一个表

    $objPHPExcel->setActiveSheetIndex(0);

    //将输出重定向到一个客户端web浏览器(Excel2007)

          header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');

          header("Content-Disposition: attachment; filename=\"$fileName\"");

          header('Cache-Control: max-age=0');

          $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');

          if(!empty($_GET['excel'])){

            $objWriter->save('php://output'); //文件通过浏览器下载

        }else{

          $objWriter->save($fileName); //脚本方式运行，保存在当前目录

        }

  exit;

}