转：PHPExcel[导入][导出

亲测可以

首先需要去官网https://github.com/PHPOffice/PHPExcel/下载PHPExcel，下载后只需要Classes目录下的文件即可。

<?php
/**
* 数据导出
* @param array $title 标题行名称
* @param array $data 导出数据
* @param string $fileName 文件名
* @param string $savePath 保存路径
* @param $type 是否下载 false--保存 true--下载
* @return string 返回文件全路径
* @throws PHPExcel_Exception
* @throws PHPExcel_Reader_Exception
*/
function exportExcel($title=array(), $data=array(), $fileName='', $savePath='./', $isDown=false){
include('./Classes/PHPExcel.php');
$obj = new PHPExcel();

//横向单元格标识
$cellName = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'AA', 'AB', 'AC', 'AD', 'AE', 'AF', 'AG', 'AH', 'AI', 'AJ', 'AK', 'AL', 'AM', 'AN', 'AO', 'AP', 'AQ', 'AR', 'AS', 'AT', 'AU', 'AV', 'AW', 'AX', 'AY', 'AZ');

   $obj->getActiveSheet(0)->setTitle('sheet名称'); //设置sheet名称
   $_row = 1; //设置纵向单元格标识
   if($title){
       $_cnt = count($title);
       $obj->getActiveSheet(0)->mergeCells('A'.$_row.':'.$cellName[$_cnt-1].$_row); //合并单元格
       $obj->setActiveSheetIndex(0)->setCellValue('A'.$_row, '数据导出：'.date('Y-m-d H:i:s')); //设置合并后的单元格内容
       $_row++;
       $i = 0;
       foreach($title AS $v){ //设置列标题
           $obj->setActiveSheetIndex(0)->setCellValue($cellName[$i].$_row, $v);
           $i++;
       }
       $_row++;
   }

   //填写数据
   if($data){
       $i = 0;
       foreach($data AS $_v){
           $j = 0;
           foreach($_v AS $_cell){
               $obj->getActiveSheet(0)->setCellValue($cellName[$j] . ($i+$_row), $_cell);
               $j++;
           }
           $i++;
       }
   }

//文件名处理
if(!$fileName){
$fileName = uniqid(time(),true);
}

$objWrite = PHPExcel_IOFactory::createWriter($obj, 'Excel2007');

   if($isDown){ //网页下载
       header('pragma:public');
       header("Content-Disposition:attachment;filename=$fileName.xls");
$objWrite->save('php://output');exit;
   }

   $_fileName = iconv("utf-8", "gb2312", $fileName); //转码
   $_savePath = $savePath.$_fileName.'.xlsx';
   $objWrite->save($_savePath);

return $savePath.$fileName.'.xlsx';
}

//exportExcel(array('姓名','年龄'), array(array('a',21),array('b',23)), '档案', './', true);

/**
* 数据导入
* @param string $file excel文件
* @param string $sheet
* @return string 返回解析数据
* @throws PHPExcel_Exception
* @throws PHPExcel_Reader_Exception
*/
function importExecl($file='', $sheet=0){
   $file = iconv("utf-8", "gb2312", $file); //转码
   if(empty($file) OR !file_exists($file)) {
       die('file not exists!');
   }
   include('./Classes/PHPExcel.php'); //引入PHP EXCEL类
   $objRead = new PHPExcel_Reader_Excel2007(); //建立reader对象
   if(!$objRead->canRead($file)){
       $objRead = new PHPExcel_Reader_Excel5();
       if(!$objRead->canRead($file)){
           die('No Excel!');
       }
   }

$cellName = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'AA', 'AB', 'AC', 'AD', 'AE', 'AF', 'AG', 'AH', 'AI', 'AJ', 'AK', 'AL', 'AM', 'AN', 'AO', 'AP', 'AQ', 'AR', 'AS', 'AT', 'AU', 'AV', 'AW', 'AX', 'AY', 'AZ');

   $obj = $objRead->load($file); //建立excel对象
   $currSheet = $obj->getSheet($sheet); //获取指定的sheet表
   $columnH = $currSheet->getHighestColumn(); //取得最大的列号
   $columnCnt = array_search($columnH, $cellName);
   $rowCnt = $currSheet->getHighestRow(); //获取总行数

   $data = array();
   for($_row=1; $_row<=$rowCnt; $_row++){ //读取内容
       for($_column=0; $_column<=$columnCnt; $_column++){
           $cellId = $cellName[$_column].$_row;
           $cellValue = $currSheet->getCell($cellId)->getValue();
//$cellValue = $currSheet->getCell($cellId)->getCalculatedValue(); #获取公式计算的值
           if($cellValue instanceof PHPExcel_RichText){ //富文本转换字符串
               $cellValue = $cellValue->__toString();
           }

           $data[$_row][$cellName[$_column]] = $cellValue;
       }
   }

return $data;
}

//$data = importExecl($file='./档案.xls');
//echo "<pre>";
//print_r($data);

-----------------------------------------------------------------------------------------------------------------------------------------------------------

这个导出也不错

<?php
/**
* @creator Jimmy
* @data 2018/1/05
* @desc 数据导出到excel(csv文件)
* @param $filename 导出的csv文件名称如date("Y年m月j日").'-test.csv'
* @param array $tileArray 所有列名称
* @param array $dataArray 所有列数据
*/
function exportToExcel($filename, $tileArray=[], $dataArray=[]){
ini_set('memory_limit','512M');
ini_set('max_execution_time',0);
ob_end_clean();
ob_start();
header("Content-Type: text/csv");
header("Content-Disposition:filename=".$filename);
$fp=fopen('php://output','w');
fwrite($fp, chr(0xEF).chr(0xBB).chr(0xBF));//转码防止乱码(比如微信昵称(乱七八糟的))
fputcsv($fp,$tileArray);
$index = 0;
foreach ($dataArray as $item) {
if($index==1000){
$index=0;
ob_flush();
flush();
}
$index++;
fputcsv($fp,$item);
}
ob_flush();
flush();
ob_end_clean();
}

$filename = 'ceshi.csv';
$tileArray = ['导航','导航','导航','导航','导航','导航','导航','导航','导航'];
$dataArray = array([1,2,3,4,5,6,7,8,9],[11,12,13,14,15,16,17,18,19],[21,22,23,24,25,26,27,28,29]);

exportToExcel($filename, $tileArray, $dataArray);