php 导出导入excel

/**
* 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){
error_reporting(0); 
include('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('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;
}