Introduction to the use process of PHPExcel

<?php
/**
 * Created by PhpStorm.
 * User: 飞
 * Date: 2017/6/13
 * Time: 10:20
 * 导入excel文件，对表格进行解析
 */
function importExecl($file,$filetype){
    if(!file_exists($file)){
        return array("error"=>0,&#39;message&#39;=>&#39;file not found!&#39;);
    }
    // 判断文档类型，使用相应的方法，可以解析多种文件，这只是判断两个，其余的自己判断
    if($filetype == &#39;xlsx&#39;){
        $filetype = &#39;Excel2007&#39;;
    }elseif($filetype == &#39;xls&#39;){
        $filetype = &#39;Excel5&#39;;
    }
    // 引入扩展
    Vendor("PHPExcel.PHPExcel.IOFactory");
    $objReader = \PHPExcel_IOFactory::createReader($filetype);

    try{
        $PHPReader = $objReader->load($file);
    }catch(Exception $e){}
    if(!isset($PHPReader)) return array("error"=>0,&#39;message&#39;=>&#39;read error!&#39;);
    // 获得所有的sheets表格
    $allWorksheets = $PHPReader->getAllSheets();
    $i = 0;
    //对sheet表格遍历分析
    foreach($allWorksheets as $objWorksheet){
        // 获得sheet表格的标题
        $sheetname=$objWorksheet->getTitle();
        // 获得总行数
        $allRow = $objWorksheet->getHighestRow();
        $highestColumn = $objWorksheet->getHighestColumn();
        // 获得总列数
        $allColumn = \PHPExcel_Cell::columnIndexFromString($highestColumn);
        $array[$i]["Title"] = $sheetname;
        $array[$i]["Cols"] = $allColumn;
        $array[$i]["Rows"] = $allRow;
        $arr = array();
        // 对合并的单元格进行分析
        $isMergeCell = array();
        foreach ($objWorksheet->getMergeCells() as $cells) {//merge cells
            foreach (\PHPExcel_Cell::extractAllCellReferencesInRange($cells) as $cellReference) {
                $isMergeCell[$cellReference] = true;
            }
        }
        for($currentRow = 1 ;$currentRow<=$allRow;$currentRow++){
            $row = array();
            for($currentColumn=0;$currentColumn<$allColumn;$currentColumn++){;
                $cell =$objWorksheet->getCellByColumnAndRow($currentColumn, $currentRow);
                $afCol = \PHPExcel_Cell::stringFromColumnIndex($currentColumn+1);
                $bfCol = \PHPExcel_Cell::stringFromColumnIndex($currentColumn-1);
                $col = \PHPExcel_Cell::stringFromColumnIndex($currentColumn);
                $address = $col.$currentRow;
                $value = $objWorksheet->getCell($address)->getValue();
                if(substr($value,0,1)==&#39;=&#39;){
                    return array("error"=>0,&#39;message&#39;=>&#39;can not use the formula!&#39;);
                    exit;
                }
                if($cell->getDataType()==\PHPExcel_Cell_DataType::TYPE_NUMERIC){
                    // $cellstyleformat=$cell->getParent()->getStyle( $cell->getCoordinate() )->getNumberFormat();
                    // $formatcode=$cellstyleformat->getFormatCode();
                    if (preg_match(&#39;/^([$[A-Z]*-[0-9A-F]*])*[hmsdy]/i&#39;, $formatcode)) {
                        $value=gmdate("Y-m-d", \PHPExcel_Shared_Date::ExcelToPHP($value));
                    }else{
                        $value=\PHPExcel_Style_NumberFormat::toFormattedString($value,$formatcode);
                    }
                }
                if($isMergeCell[$col.$currentRow]&&$isMergeCell[$afCol.$currentRow]&&!empty($value)){
                    $temp = $value;
                }elseif($isMergeCell[$col.$currentRow]&&$isMergeCell[$col.($currentRow-1)]&&empty($value)){
                    $value=$arr[$currentRow-1][$currentColumn];
                }elseif($isMergeCell[$col.$currentRow]&&$isMergeCell[$bfCol.$currentRow]&&empty($value)){
                    $value=$temp;
                }
                $row[$currentColumn] = $value;
            }
            $arr[$currentRow] = $row;
        }
        $array[$i]["Content"] = $arr;
        $i++;
    }
    // spl_autoload_register(&#39;Think&#39;);//must, resolve ThinkPHP and PHPExcel conflicts
    unset($objWorksheet);
    unset($PHPReader);
    unset($PHPExcel);
    unlink($file);
    return array("error"=>1,"data"=>$array);
}

<?php
namespace PhpExcel\Controller;
use Think\Controller;

/**
 * Created by PhpStorm.
 * User: 飞
 * Date: 2017/6/7
 * Time: 11:26
 */
class IndexController extends Controller
{
    public function index()
    {
        $this->display();
    }

    public function importExcel()
    {
        // 表单提交文件过来
        // 获得文件路径
        $file = $_FILES[excel][tmp_name];
        if(!file_exists($file)){
            echo &#39;文件不存在&#39;;
            exit;
        }
        //
        $fileMessage = explode(&#39;.&#39;,$_FILES[excel][name]);
        // $filename = $fileMessage[0];
        // 获得文件扩展名
        $filetype = $fileMessage[1];
        //使用函数，获得excel数据
        $re = importExecl($file,$filetype);
        $content = $re[&#39;data&#39;][0][&#39;Content&#39;];
        // P助手函数，自己扩展
        P($content);exit; /*逻辑代码*/
    }
}

public function outPortExcel()
{
    // 引入文件
    Vendor("PHPExcel.PHPExcel");
    vendor('PHPExcel/PHPExcel/Writer/Excel2007.php');
    $phpExcel = new \PHPExcel();
    $phpExcel->getProperties()->setTitle("Office 2007 XLSX Test Document title");
    $phpExcel->getProperties()->setSubject("Office 2007 XLSX Test Document subject");
    //单独添加数据
    $phpExcel->setActiveSheetIndex(0);
    $phpExcel->getActiveSheet()->setCellValue('A1', '姓名');//可以指定位置
    $phpExcel->getActiveSheet()->setCellValue('B1', '年龄');
    $phpExcel->getActiveSheet()->setCellValue('C1', '性别');
    $phpExcel->getActiveSheet()->setCellValue('D1', '家庭');
    //循环添加数据（根据自己的逻辑）
    for($i = 2;$i<200;$i++) {
        $phpExcel->getActiveSheet()->setCellValue(&#39;A&#39; . $i, &#39;张鹏飞&#39;.$i);
        $phpExcel->getActiveSheet()->setCellValue(&#39;B&#39; . $i, rand(25,28));
        $phpExcel->getActiveSheet()->setCellValue(&#39;C&#39; . $i, rand(0,1));
        $phpExcel->getActiveSheet()->setCellValue(&#39;D&#39; . $i, &#39;yes&#39;);
    }
    $objWriter = new \PHPExcel_Writer_Excel2007($phpExcel);
    // 文件名
    $filename = &#39;./a.xlsx&#39;;
    // 存储文件
    $objWriter->save($filename);

    // 下载文件
    // 强制下载函数 代码请转至 http://blog.csdn.net/fei003/article/details/54614097
    download(&#39;./a.xlsx&#39;);
}