1、开发版本
Think PHP8.0、PHP8.0，并非低版不能用，仅因本人当前版本如此。
部分参数需自行进行修改，具体查看执行代码.
Excel有默认的表格样式，如需修改，根据实际应用场景进行设置即可。
2、实现原理
1.安装Spreadsheet
composer require phpoffice/phpspreadsheet2.确定数据表头
$header = [
['key' => 'index', 'title' => '序号'],
['key' => 'activity_title', 'title' => '列1名称'],
['key' => 'room_name', 'title' => '列2名称'],
];3.确定数据列
$list = []; // 定义数据内容，根据实际应用场景来写即可。4.调用封装类，导出数据
3、核心代码
1.调用示例
// 表头
$header = [
['key' => 'index', 'title' => '序号'],
['key' => 'activity_title', 'title' => '列1名称'],
['key' => 'room_name', 'title' => '列2名称'],
];
$list = [];
// 实例化excel
$sheet = new Spreadsheet();
// 实例化导出类
$export = new Excel($sheet, 0);
// 设置单元格表头
$export->setHeader($header);
// 设置单元格数据
$export->setContent($list, $header);
// 导出：文件名称、sheet名称，返回结果为本地文件存储路径
$res = $export->export($fileName, $sheetName);2.Excel核心控制器
<?php
namespace app\common\controller;
/**
* @note Excel操作
*/
class Excel
{
// 定义表格对象
protected object $sheet;
public function __construct(object $sheet, $sheetIndex = 0)
{
$this->sheet = $sheet;
if (!is_object($this->sheet)) $this->sheet = new \PhpOffice\PhpSpreadsheet\Spreadsheet();
$this->sheet->getActiveSheet($sheetIndex);
}
/**
* @notes 设置表头
* @param array $header 表头数据
* @param string|int $startRow 默认第一行
*/
public function setHeader(array $header, string|int $startRow = 1): object
{
$header = array_values($header);
// 计算总列数
$column = $this->getColumn(count($header));
foreach ($header as $key => $value) {
$columnName = $column[$key] . $startRow;
// 设置单元格值
$this->sheet->getActiveSheet()->setCellValue($columnName, $value['title']);
// 设置单元格自适应宽度
$this->sheet->getActiveSheet()->getColumnDimension($column[$key])->setAutoSize(true);
// 设置单元格自适应高度
$this->sheet->getActiveSheet()->getRowDimension($startRow)->setRowHeight(24);
}
$startColumn = $column[0] . $startRow;
$endColumn = $column[count($header) - 1] . $startRow;
// 设置字体大小及加粗
$this->sheet->getActiveSheet()->getStyle($startColumn . ':' . $endColumn)->getFont()->setBold(true)->setSize(12);
// 设置单元格水平居中
$this->sheet->getActiveSheet()->getStyle($startColumn . ':' . $endColumn)->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);
// 设置单元格垂直居中
$this->sheet->getActiveSheet()->getStyle($startColumn . ':' . $endColumn)->getAlignment()->setVertical(\PhpOffice\PhpSpreadsheet\Style\Alignment::VERTICAL_CENTER);
// 设置单元格边框
$this->sheet->getActiveSheet()->getStyle($startColumn . ':' . $endColumn)->getBorders()->getAllBorders()->setBorderStyle(\PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN);
return $this->sheet;
}
/**
* @notes 设置单元格值
* @param array $data 数据
* @param array $header 表头数据
* @param string|int $startRow 默认第二行开始
*/
public function setContent(array $data, array $header, string|int $startRow = 2): object
{
// 获取总列数
$column = $this->getColumn(count($header));
// 遍历数据
foreach ($data as $key => $value) {
// 遍历表头
for ($i = 0; $i < count($header); $i++) {
// 获取单元格名称
$columnName = $column[$i] . ($key + $startRow);
// 设置单元格值
$this->sheet->getActiveSheet()->setCellValue($columnName, $value[$header[$i]['key']] ?? '');
// 设置单元格自适应宽度
$this->sheet->getActiveSheet()->getColumnDimension($column[$i])->setAutoSize(true);
// 设置单元格自适应高度
$this->sheet->getActiveSheet()->getRowDimension($key + $startRow)->setRowHeight(24);
}
}
$startColumn = $column[0] . $startRow;
$endColumn = $column[count($column) - 1] . count($data) + $startRow - 1;
// 设置字体大小及加粗
$this->sheet->getActiveSheet()->getStyle($startColumn . ':' . $endColumn)->getFont()->setBold(false)->setSize(11);
// 设置单元格水平居中
$this->sheet->getActiveSheet()->getStyle($startColumn . ':' . $endColumn)->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);
// 设置单元格垂直居中
$this->sheet->getActiveSheet()->getStyle($startColumn . ':' . $endColumn)->getAlignment()->setVertical(\PhpOffice\PhpSpreadsheet\Style\Alignment::VERTICAL_CENTER);
// 设置单元格边框
$this->sheet->getActiveSheet()->getStyle($startColumn . ':' . $endColumn)->getBorders()->getAllBorders()->setBorderStyle(\PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN);
return $this->sheet;
}
/**
* @notes 导出数据
* @param string $fileName 文件名
* @param string $sheetName 表名
* @return string
*/
public function export(string $fileName, string $sheetName = 'Sheet1'): string
{
// 设置表格标题
$this->sheet->getActiveSheet()->setTitle($sheetName);
// 设置表格格式
$writer = new \PhpOffice\PhpSpreadsheet\Writer\Xlsx($this->sheet);
// 设置存储路径
$basePath = public_path();
$path = 'activity_sequence_template/';
$fullPath = $basePath . $path . $fileName . '.xlsx';
if (!is_dir($basePath . $path)) mkdir($basePath . $path, 0777, true);
$writer->save($fullPath);
return $path . $fileName . '.xlsx';
// // 设置响应头
// header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
// header('Content-Disposition: attachment;filename="' . $fileName . '.xlsx"');
// header('Cache-Control: max-age=0');
// // 导出数据
// $writer->save('php://output');
}
/**
* @notes 自动计算列数
* @param int|string $colNumber
* @return array
*/
protected function getColumn(int|string $colNumber = 1): array
{
// 生成A-Z的数组
$arr = range('A', 'Z');
// 计算循环次数
$no = ceil($colNumber / count($arr));
// 定义数组
$data = [];
if ($no <= 1) {
for ($i = 0; $i < $colNumber; $i++) {
$data[] = $arr[$i];
}
} else {
for ($i = 0; $i < count($arr); $i++) {
$data[] = $arr[$i];
}
for ($i = 0; $i < $colNumber - count($arr); $i++) {
$list = (($i + count($arr)) % count($arr));
$data[] = $arr[ceil(($i + 1) / count($arr)) - 1] . $arr[$list];
}
}
return $data;
}
}
