PHPExcel代码地址：https://github.com/PHPOffice/PHPExcel
导入和导出的代码：（其中vendor是thinkphp中的引入phpexcel包的用法，实际中可以根据具体的框架来）
/**
* 导入excel文件
* @param string $file excel文件路径
* @return array excel文件内容数组
*/
function import_excel($file,$sheet = 0){
// 判断文件是什么格式
$type = pathinfo($file);
$type = strtolower($type["extension"]);
$map = array(
'xlsx'=>'Excel2007',
'xls' =>'Excel5',
'csv' =>'CSV'
);
ini_set('max_execution_time', '0');
Vendor('PHPExcel.PHPExcel');
setlocale(LC_ALL, 'zh_CN');
// 判断使用哪种格式
$objReader = PHPExcel_IOFactory::createReader($map[$type]);
$objPHPExcel = $objReader->load($file);
$sheet = $objPHPExcel->getSheet($sheet);
// 取得总行数
$highestRow = $sheet->getHighestRow();
// 取得总列数
$highestColumn = $sheet->getHighestColumn();
//循环读取excel文件,读取一条,插入一条
$data=array();
//从第一行开始读取数据
for($j=1;$j<=$highestRow;$j++){
//从A列读取数据
for($k='A';$k<=$highestColumn;$k++) {
$cell = $objPHPExcel->getActiveSheet()->getCell("$k$j")->getValue();
if ($cell instanceof PHPExcel_RichText){//富文本转换字符串
$cell = $cell->__toString();
}
// 读取单元格
$data[$j][] = $cell;
}
}
return $data;
}
/**
*
* execl数据导出
* @param string $title 模型名（如Member），用于导出生成文件名的前缀
* @param array $cellName 表头及字段名
* @param array $data 导出的表数据
* 入参示例
* $title="这个是测试的标题";
$cellName=[
0=>['id','id',0,12,'CENTER'],
1=>['state','订单状态',0,12,'left'],
2=>['type','订单类型',0,12,'LEFT'],
3=>['price','支付额',0,12,'LEFT'],
4=>['member','会员',0,12,'LEFT'],
5=>['store','店铺',0,12,'LEFT'],
6=>['order_name','订单名称',0,12,'LEFT'],
7=>['num','商品数量',0,12,'LEFT'],
8=>['data','日期',0,12,'LEFT'],
];
$data=[
0=>['id'=>1,'state'=>'代付款','type'=>'普通订单','price'=>'48.01','member'=>'王大','store'=>'北京','order_name'=>'娃哈哈','num'=>'1523','data'=>'2018-10-09']
];
*
* 特殊处理：合并单元格需要先对数据进行处理
*/
function export_excel($title,$cellName,$data,$needHeader=1)
{
ini_set('max_execution_time', '0');
//引入核心文件
vendor("PHPExcel.PHPExcel");
$objPHPExcel = new \PHPExcel();
//定义配置
$topNumber = $needHeader == 1 ? 2 : 1;//表头有几行占用
$xlsTitle = iconv('utf-8', 'gb2312', $title);//文件名称
$fileName = $title.date('_Ymd_His');//文件名称
$cellKey = 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'
);
//写在处理的前面（了解表格基本知识，已测试）
// $objPHPExcel->getActiveSheet()->getDefaultRowDimension()->setRowHeight(20);//所有单元格（行）默认高度
// $objPHPExcel->getActiveSheet()->getDefaultColumnDimension()->setWidth(20);//所有单元格（列）默认宽度
// $objPHPExcel->getActiveSheet()->getRowDimension('1')->setRowHeight(30);//设置行高度
// $objPHPExcel->getActiveSheet()->getColumnDimension('C')->setWidth(30);//设置列宽度
// $objPHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setSize(18);//设置文字大小
// $objPHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setBold(true);//设置是否加粗
// $objPHPExcel->getActiveSheet()->getStyle('A1')->getFont()->getColor()->setARGB(PHPExcel_Style_Color::COLOR_WHITE);// 设置文字颜色
// $objPHPExcel->getActiveSheet()->getStyle('A1')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);//设置文字居左（HORIZONTAL_LEFT，默认值）中（HORIZONTAL_CENTER）右（HORIZONTAL_RIGHT）
// $objPHPExcel->getActiveSheet()->getStyle('A1')->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);//垂直居中
// $objPHPExcel->getActiveSheet()->getStyle('A1')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID);//设置填充颜色
// $objPHPExcel->getActiveSheet()->getStyle('A1')->getFill()->getStartColor()->setARGB('FF7F24');//设置填充颜色
if ($needHeader == 1){
//处理表头标题
$objPHPExcel->getActiveSheet()->mergeCells('A1:'.$cellKey[count($cellName)-1].'1');//合并单元格（如果要拆分单元格是需要先合并再拆分的，否则程序会报错）
$objPHPExcel->setActiveSheetIndex(0)->setCellValue('A1',$title);
$objPHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setBold(true);
$objPHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setSize(16);
$objPHPExcel->getActiveSheet()->getStyle('A1')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$objPHPExcel->getActiveSheet()->getStyle('A1')->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);
}
//处理表头
foreach ($cellName as $k=>$v)
{
$objPHPExcel->setActiveSheetIndex(0)->setCellValue($cellKey[$k].$topNumber, $v[1]);//设置表头数据
// $objPHPExcel->getActiveSheet()->freezePane($cellKey[$k].($topNumber+1));//冻结窗口
$objPHPExcel->getActiveSheet()->getStyle($cellKey[$k].$topNumber)->getFont()->setBold(true);//设置是否加粗
$objPHPExcel->getActiveSheet()->getStyle($cellKey[$k].$topNumber)->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);//垂直居中
if($v[3] > 0)//大于0表示需要设置宽度
{
$objPHPExcel->getActiveSheet()->getColumnDimension($cellKey[$k])->setWidth($v[3]);//设置列宽度
}
}
//处理数据
foreach ($data as $k=>$v)
{
foreach ($cellName as $k1=>$v1)
{
$objPHPExcel->getActiveSheet()->setCellValue($cellKey[$k1].($k+1+$topNumber), $v[$v1[0]]);
if($v['end'] > 0)
{
if($v1[2] == 1)//这里表示合并单元格
{
$objPHPExcel->getActiveSheet()->mergeCells($cellKey[$k1].$v['start'].':'.$cellKey[$k1].$v['end']);
$objPHPExcel->getActiveSheet()->getStyle($cellKey[$k1].$v['start'])->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);
}
}
if($v1[4] != "" && in_array($v1[4], array("LEFT","CENTER","RIGHT")))
{
$v1[4] = eval('return PHPExcel_Style_Alignment::HORIZONTAL_'.$v1[4].';');
//这里也可以直接传常量定义的值，即left,center,right；小写的strtolower
$objPHPExcel->getActiveSheet()->getStyle($cellKey[$k1].($k+1+$topNumber))->getAlignment()->setHorizontal($v1[4]);
}
}
}
//导出execl
header('pragma:public');
header('Content-type:application/vnd.ms-excel;charset=utf-8;name="'.$xlsTitle.'.xlsx"');
header("Content-Disposition:attachment;filename=$fileName.xlsx");//attachment新窗口打印inline本窗口打印
$objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
$objWriter->save('php://output');
exit;
}