130 lines
4.5 KiB
PHP
130 lines
4.5 KiB
PHP
<?php
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// 这是系统自动生成的公共文件
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if (!function_exists('array_to_tree')) {
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/**
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* 数组转换为树状结构
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* @param array $data 数据
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* @param int $pid 父级ID
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* @param string $with 转换依据字段
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* @param int|bool $level 层级
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* @param bool $keep_pid 是否保留pid
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* @return array
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*/
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function array_to_tree(array $data, int $pid, string $with = 'pid', int|bool $level = 1, bool $keep_pid = true)
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{
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$ret = [];
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foreach ($data as $item) {
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if ($item[$with] == $pid) {
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$lv = $level;
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if ($level !== false) {
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$item['level'] = $level;
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$lv = $level + 1;
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}
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if ($keep_pid === false) {
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unset($item[$with]);
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}
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$children = array_to_tree($data, $item['id'], $with, $lv);
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if ($children) {
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$item['children'] = $children;
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}
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$ret[] = $item;
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}
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}
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return $ret;
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}
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}
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if (!function_exists('xlsx_reader')) {
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/**
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* 读取Excel数据
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* @param string $file Excel文件路径
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* @param int $initial_row 初始行
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* @param array $keys_map 列 -> 键 例：['A' => 'name', 'B' => 'age', 'C' => 'sex']
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* @return array
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*/
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function xlsx_reader(string $file, int $initial_row = 1, array $keys_map = []): array
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{
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$reader = \PhpOffice\PhpSpreadsheet\IOFactory::createReader('Xlsx');
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// 读取文件
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$spreadsheet = $reader->load($file);
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// 获取活动sheet
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$sheet = $spreadsheet->getActiveSheet();
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// 获取最大行
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$max_row = $sheet->getHighestRow();
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// 获取最大列
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$max_col = $sheet->getHighestColumn();
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$xlsx_data = [];
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$first_col = ord('A');
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$last_col = ord($max_col);
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for ($row = $initial_row; $row <= $max_row; $row++) {
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for ($col = $first_col; $col <= $last_col; $col++) {
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$key = $col_chr = chr($col);
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if (!empty($keys_map)) {
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$key = $keys_map[$col_chr] ?? $col_chr;
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}
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$xlsx_data[$row][$key] = $sheet->getCell($col_chr . $row)->getValue();
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}
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}
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return $xlsx_data;
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}
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}
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if (!function_exists('xlsx_writer')) {
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/**
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* 构建Excel数据
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* @param array $data 数据 例：[['name'=>'张三','age'=>18, 'sex'=>'男']]
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* @param array $schema 表头信息 例：['name' => '姓名', 'age' => '年龄', 'sex' => '性别']
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* @param string $filename 下载文件名称 默认为YmdHis时间
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* @param string $output 输出方式 php://output 或 文件路径
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* @return \think\Response
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*/
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function xlsx_writer(array|\think\model\Collection $data, array $schema, string $filename = '', string $output = 'php://output'): \think\Response
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{
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// 获取Spreadsheet对象
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$spreadsheet = new \PhpOffice\PhpSpreadsheet\Spreadsheet();
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$sheet = $spreadsheet->getActiveSheet();
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// 写入表头
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$title = array_values($schema);
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$title_col = 'A';
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foreach ($title as $value) {
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// 单元格内容写入
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$sheet->setCellValue($title_col . '1', $value);
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$title_col++;
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}
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// 写入数据
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$row = 2;
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$keys = array_keys($schema);
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foreach ($data as $item) {
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$data_col = 'A';
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foreach ($keys as $key) {
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$sheet->setCellValue($data_col . $row, $item[$key] ?? '');
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$data_col++;
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}
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$row++;
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}
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flush();
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ob_flush();
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if ($filename == '') $filename = date('YmdHis');
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// 文件写入缓冲区
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\PhpOffice\PhpSpreadsheet\IOFactory::createWriter($spreadsheet, 'Xlsx')->save($output);
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// 从缓冲区获取导出文件，并通过Response返回（解决thinkphp框架的Response无法获取设置的header问题）
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$file_data = ob_get_clean();
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$response = \think\Response::create($file_data)->header([
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'Access-Control-Expose-Headers' => 'Content-Disposition',
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'Content-Type' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet; Charset=UTF-8',
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'Content-Disposition' => 'attachment;filename=' . $filename . '.xlsx',
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'Cache-Control' => 'max-age=0'
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]);
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return $response;
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}
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} |