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composer require "phpoffice/phpexcel": "*"
namespace app\logic;
use Yii;
class ExcelUtil
{
private $excelCopy = 'Excel5'; //导出excel版本
private $suffix = 'xls';
private $objPHPExcel = null; //PHPExcel对象
/**
* Excel constructor.
*/
public function __construct()
{
$this->objPHPExcel = new \PHPExcel();
$this->excelCopy = 'Excel5';
//判断后缀名
if ($this->excelCopy == 'Excel5') {
$this->suffix = '.xls';
} else if ($this->excelCopy == 'Excel2007') {
$this->suffix = '.xlsx';
}
}
/**
* 导出Excel文件
* @param string $fileName 导出的文件名称
* @param array $headerArr 头部数据：['name'=>'名称']
* @param array $data 数据：[['name'=>'张三'],['name'=>'李四']]
* @param string $sheet 工作表的名称
*/
public function export($fileName="Excel", $headerArr = array(), $data = array(),$sheet = 'Sheet1')
{
$this->objPHPExcel->setActiveSheetIndex(0); //设置当前的sheet
$objSheet = $this->objPHPExcel->getActiveSheet(); //获取当前活动sheet
$objSheet->setTitle($sheet); //设置标题
//获取列字母,设置第一行表头
$headCharArr = $this->getHeaderChar($headerArr); //A B C
foreach ($headCharArr as $k => $v) {
$objStyle = $objSheet->getStyle($headCharArr[$k] . '1');
$objAlign = $objStyle->getAlignment();
$objAlign->setVertical(\PHPExcel_Style_Alignment::VERTICAL_CENTER); //上下居中
$objAlign->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_LEFT); //左对齐
$objSheet->setCellValue($headCharArr[$k] . '1', $headerArr[$k]);
}
//导出数据
$j = 2;
foreach ($data as $k => $v) {
foreach ($headerArr as $k1 => $v1) {
$objStyle = $objSheet->getStyle($headCharArr[$k1] . $j);
$objAlign = $objStyle->getAlignment();
$objAlign->setVertical(\PHPExcel_Style_Alignment::VERTICAL_CENTER); //上下居中
$objAlign->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_LEFT);
$val = $v[$k1].'';
$objSheet->setCellValue($headCharArr[$k1] . $j, $val);
}
$j++;
}
$objWriter = \PHPExcel_IOFactory::createWriter($this->objPHPExcel, $this->excelCopy);
$fileName = $fileName . ($this->suffix);
//直接导出
$copy = $this->excelCopy;
$this->browserExport($copy, $fileName);
$objWriter->save('php://output'); //输出到浏览器
//ajax请求导出方式
/*$basePath = Yii::$app->basePath;
$download_path = $basePath . '/download';
if (!file_exists($download_path)) {
mkdir($download_path, 0777);
}
$file_path = $download_path . '/' . $fileName;
$objWriter->save($file_path);
outputJson(1, 'successful', 0, '/download/' . $fileName);//前端跳转这个链接实现下载*/
//导出文件发送到指定邮箱
/*$basePath = Yii::$app->basePath;
$download_path = $basePath . '/public/download';
if (!file_exists($download_path)) {
mkdir($download_path, 0777);
}
$file_path = $download_path . '/' . $fileName;
$objWriter->save($file_path);
$mail = Yii::$app->mailer->compose();
$mail->setTo('[email protected]');
$mail->setSubject("excel邮件测试");
$mail->setHtmlBody("<h1>".$fileName."</h1>"); //发布可以带html标签的文本
$mail->attach($file_path);
if($mail->send()) {
unlink($file_path);
echo "success";
}else {
echo "failse";
}*/
die();
}
/**
* 获取excel列数字母
* @param array $data
* @return array
*/
private function getHeaderChar($data = array())
{
$index = 65; //A标签
$char = '';
$charArr = array();
foreach ($data as $k => $v) {
$charArr[$k] = $char . chr($index++);
if ($index == 91) {
$index = 65;
$char .= 'A';
}
}
return $charArr;
}
/**
* 输出到浏览器
* @param $copy
* @param $fileName
*/
private function browserExport($copy, $fileName)
{
ob_end_clean();//清除缓冲区,避免乱码
if ($copy == 'Excel5') {
header('Content-Type: application/vnd.ms-excel;'); //告诉浏览器输出Excel2003文件
} else {
//告诉浏览器输出Excel2007文件
header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
}
header('Content-Disposition: attachment;filename="' . iconv('utf-8', 'gb2312', $fileName) . '"'); //文件名
header('Cache-Control: max-age=0'); //禁止浏览器缓存
}
/**
* 导入文件通过上传的文件
* @param array $format 格式：['名称'=>'name'] 会把列名转化成name
* @param string $inputname 上传输入框的名称name
* @param string $sheetName 工作表名称，默认：Sheet1
* @return array 放回指定的数据
*/
public function importByInput($format = array(),$inputname='excel', $sheetName = 'Sheet1')
{
$data = $this->importExcel($_FILES[$inputname]['tmp_name'], $sheetName);
return $this->dealImportData($format,$data);
}
/**
* 导入指定excel
* @param array $format 格式：['名称'=>'name'] 会把列名转化成name
* @param string $filename excel在本机的绝对路径
* @param string $sheetName 工作表名称，默认：Sheet1
* @return array
*/
public function import($format = array(),$filename='', $sheetName = 'Sheet1')
{
$data = $this->importExcel($filename, $sheetName);
return $this->dealImportData($format,$data);
}
/**
* 处理导入数据
* @param $format
* @param $data
* @return array
*/
private function dealImportData($format,$data){
if (!$format) {
return $data;
} else {
$newdata=array();
foreach($data as $k=>$v){
$row=array();
foreach($v as $k2=>$v2){
//$format[$k2] 获取key
if($format[trim($k2)]){//去除数据的两端空格
$row[$format[trim($k2)]]=trim($v2);
}
}
$newdata[]=$row;
}
return $newdata;
}
}
/**
* 导入excel,返回原始二维数据
* @param $filename 文件绝对路径
* @param string $sheetName 工作表名称，默认：Sheet1
* @return array
*/
public function importExcel($filename, $sheetName = 'Sheet1')
{
header("Content-Type:text/html;charset=utf-8");
$fileType = \PHPExcel_IOFactory::identify($filename);//自动获取文件的类型提供给phpexcel用
$objReader = \PHPExcel_IOFactory::createReader($fileType);//获取文件读取操作对象
$sheetName = array($sheetName);
$objReader->setLoadSheetsOnly($sheetName);//只加载指定的sheet
$objPHPExcel = $objReader->load($filename);//加载文件
$key = array();
$value = array();
foreach ($objPHPExcel->getWorksheetIterator() as $sheet) {//循环取sheet
foreach ($sheet->getRowIterator() as $row) {//逐行处理
$temp = array();
foreach ($row->getCellIterator() as $kk=> $cell) {//逐列读取
if ($row->getRowIndex() < 2) {
$key[$kk] = $cell->getValue();
} else {
$data = $cell->getValue();//获取单元格数据
$temp[$kk] = $data;
}
}
if (!empty($temp)) {
$value[] = $temp;
}
}
}
$data = array();
foreach ($value as $k => $v) {
$temp = array();
foreach ($v as $k1 => $v1) {
$temp[$key[$k1]] = $v1;
}
$data[] = $temp;
}
return $data;
}
}控制器调用
namespace app\modules\resume\controllers;
use app\logic\ExcelUtil;
use app\models\User;
use app\modules\resume\models\Admin;
use Yii;
use yii\web\Controller;
class AdvantageController extends Controller{
public function actionAmbitious(){
$arr = ListedStock::find()->select('admin_id,username,email')->asArray()->all();
$excelUtil = new ExcelUtil();
$header =[
'admin_id' => '用户id',
'username' => '姓名',
'email' => '邮箱'
];
$filename = 'admin';
$excelUtil->export($filename,$header,$arr);
}
}