用PHPExcel 封装的导出方法，支持导出无限列
避免PHPExcel_Exception Invalid cell coordinate [1 异常错误
php
/**
* EXCEL导出
* @param [string] $file_name 保存的文件名及表格工作区名，不加excel后缀名
* @param [array] $fields 二维数组
* @param [array] $list 数据
* @param [array] $options e.g. [
* 'download_items'=>[需要下载图片的字段项],
* 'string_items'=>[转成字符避免科学计数法转换的字段],
* ]
* @return [string]
* @Description
* @example
* @author Tj
* @date 2024-12-26
*/
static public function exportExcelData(
$file_name,
$fields,
$list,
$options = [
'download_items' => [],
'string_items' => [],
]
) {
ini_set("memory_limit", "128M");
ini_set("max_execution_time", "600");
// 创建一个样式数组
$styleArray = array(
'borders' => array(
'allborders' => array(
'style' => \PHPExcel_Style_Border::BORDER_THIN, // 边框样式
'color' => array('rgb' => '000000'), // 边框颜色
),
),
);
$objectPHPExcel = new \PHPExcel();
$objectPHPExcel->setActiveSheetIndex(0);
$objectPHPExcel->getActiveSheet()->setTitle($file_name);
//设置表格头的输出
$newFields = $fields;
// 锁定表头
$objectPHPExcel->getActiveSheet()->freezePane('A2');
// 表头设置
foreach ($newFields as $fkey => $fval) {
if ($fval['selected'] == 1) {
$excelColumnNumHeader = self::int_to_chr($fkey);
$objectPHPExcel->setActiveSheetIndex()->setCellValue($excelColumnNumHeader . '1', $fval['value']);
// 设置表头加粗
$objectPHPExcel->getActiveSheet()->getStyle($excelColumnNumHeader . '1')->getFont()->setBold(true);
// 边框
$objectPHPExcel->getActiveSheet()->getStyle($excelColumnNumHeader . '1')->applyFromArray($styleArray);
// 背景色
$objectPHPExcel->getActiveSheet()->getStyle($excelColumnNumHeader . '1')->getFill()->setFillType(\PHPExcel_Style_Fill::FILL_SOLID);
$objectPHPExcel->getActiveSheet()->getStyle($excelColumnNumHeader . '1')->getFill()->getStartColor()->setARGB('E0EEE0');
// 设置行高
$objectPHPExcel->getActiveSheet()->getRowDimension(1)->setRowHeight(18);
} else {
unset($newFields[$fkey]);
}
// 画边框
}
//订单数据
$serviceFields = array_column($newFields, 'key');
$coverPicArr = [];
foreach ($list as $itemKey => $item) {
foreach ($serviceFields as $sfKey => $sfVal) {
$excelColumnNum = self::int_to_chr($sfKey); // A-ZZZ
$excelRowNum = $itemKey + 2;
// 文字垂直居中
$objectPHPExcel->getActiveSheet()->getstyle($excelColumnNum . $excelRowNum)->getAlignment()->setVertical(\PHPExcel_Style_Alignment::VERTICAL_CENTER);
// 画边框
$objectPHPExcel->getActiveSheet()->getStyle($excelColumnNum . $excelRowNum)->applyFromArray($styleArray);
// 单元格宽
$objectPHPExcel->getActiveSheet()->getColumnDimension($excelColumnNum)->setWidth(20);
// 图片
if (isset($options) && in_array($sfVal, $options['download_items'])) {
$local_temp_pic_prev = './temp/export/excel_pic/';
$pic_link = $item[$sfVal];
if (is_array($pic_link)) {
$pic_link = $pic_link[0];
}
$temp_pic = self::getFilename($pic_link);
$local_pic_path = $local_temp_pic_prev . $temp_pic;
if (!file_exists($local_pic_path)) {
$temp_pic = self::download($pic_link, $local_temp_pic_prev);
$local_pic_path = $local_temp_pic_prev . $temp_pic;
}
if (file_exists($local_pic_path)) {
$img = new \PHPExcel_Worksheet_Drawing();
$img->setPath($local_pic_path); //写入图片路径
$img->setHeight(100); //写入图片高度
$img->setWidth(100); //写入图片宽度
$img->setOffsetX(5); //写入图片在指定格中的X坐标值
$img->setOffsetY(5); //写入图片在指定格中的Y坐标值
$img->setRotation(0); //设置旋转角度
$img->getShadow()->setVisible(true);
$img->getShadow()->setDirection(50);
$img->setCoordinates($excelColumnNum . $excelRowNum); //设置图片所在表格位置
$img->setWorksheet($objectPHPExcel->getActiveSheet()); //把图片写到当前的表格中
$coverPicArr[] = $local_pic_path; //记录临时图片
//设置列宽
$objectPHPExcel->getActiveSheet()->getColumnDimension($excelColumnNum)->setWidth(16);
// 设置行高
$objectPHPExcel->getActiveSheet()->getRowDimension($excelRowNum)->setRowHeight(85);
}
} else {
// 文字
// 转字符型字段
if (isset($options) && in_array($sfVal, $options['string_items'])) {
$objectPHPExcel->setActiveSheetIndex()->setCellValueExplicit($excelColumnNum . $excelRowNum, $item[$sfVal], \PHPExcel_Cell_DataType::TYPE_STRING);
} else {
$objectPHPExcel->setActiveSheetIndex()->setCellValue($excelColumnNum . $excelRowNum, $item[$sfVal]);
}
}
}
}
//生成表格文件
ob_end_clean(); //一定要加否则打开excel后报告部分内容有问题，是否让我们修复尽量尝试恢复
ob_start();
//设置输出文件名及格式
header('Content-Disposition:attachment;filename="' . urlencode($file_name) . '-' . date("YmdHis") . '.xlsx"');
header('Content-Type:application/vnd.ms-excel;charset=utf-8');
//导出.xls格式的话使用Excel5,若是想导出.xlsx需要使用Excel2007
$objWriter = \PHPExcel_IOFactory::createWriter($objectPHPExcel, 'Excel2007');
$objWriter->save('php://output');
//删除临时图片
foreach ($coverPicArr as $coverPicItem) {
unlink($coverPicItem);
}
ob_end_flush();
exit; //一定要加exit;否则打开excel后报告部分内容有问题，是否让我们修复尽量尝试恢复
}
/**
* 下载远程图片
* @param unknown $url
* @param string $path
* @return unknown
*/
static private function download($url, $path = 'images/')
{
if (!file_exists($path)) {
mkdir($path, 0755, true);
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 信任任何证书
$file = curl_exec($ch);
curl_close($ch);
$filename = self::getFilename($url);
$resource = fopen($path . $filename, 'a');
fwrite($resource, $file);
fclose($resource);
return $filename;
}
/**
*
* @param string $url
* @return string
*/
static private function getFilename($url)
{
return pathinfo($url, PATHINFO_BASENAME);
}
/**
* 导出信息处理
* @return unknown[]
*/
static private function dataFields($fields)
{
$newFields = [];
foreach ($fields as &$item) {
if (isset($item['selected']) && $item['selected'] == 1) {
$newFields[$item['key']] = $item['value'];
}
}
return $newFields;
}
/**
* @Notes:将整数转为excel对应的列标
* @Function int_to_chr
* @param $index 0开始的索引号
* @param $start
* @return string
* @Author tj
* @Date 2025/04/09
*/
static public function int_to_chr($index, $start = 65)
{
$str = '';
if ($index >= 26) {
$les = $index % 26;
$index = intval($index / 26);
$str .= self::int_to_chr($index - 1);
$str .= chr($start + $les);
return $str;
}
return chr($start + $index) . $str;
}