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<?php
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/**
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* 前端自定义的导出类
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*/
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namespace App\Exports;
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use App\Exceptions\ErrorException;
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use Illuminate\Support\Collection;
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use Maatwebsite\Excel\Concerns\FromCollection;
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use Maatwebsite\Excel\Concerns\WithStyles;
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use Maatwebsite\Excel\Concerns\WithColumnWidths;
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use Maatwebsite\Excel\Concerns\WithEvents;
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use Maatwebsite\Excel\Events\AfterSheet;
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use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
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use PhpOffice\PhpSpreadsheet\Style\Alignment;
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class CommonExport implements FromCollection, WithStyles, WithColumnWidths, WithEvents
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{
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public $fields;
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public $data;
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public $hasUsersField = false;
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public $usersColumnIndex = null;
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public function __construct($data, $exportFields)
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{
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// 需要导出的字段。格式：['name'=>'名字','user.sex'=>'性别']
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$this->fields = $exportFields;
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// 数据
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$this->data = $data;
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// 检查是否有 users 字段
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if (is_array($exportFields)) {
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$index = 1;
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foreach (array_keys($exportFields) as $field) {
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if (str_contains($field, 'users')) {
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$this->hasUsersField = true;
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$this->usersColumnIndex = $this->getColumnLetter($index);
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}
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$index++;
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}
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}
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}
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/**
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* 获取列字母
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*/
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private function getColumnLetter($columnNumber)
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{
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$letter = '';
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while ($columnNumber > 0) {
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$columnNumber--;
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$letter = chr(65 + ($columnNumber % 26)) . $letter;
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$columnNumber = intval($columnNumber / 26);
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}
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return $letter;
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}
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/**
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* 设置列宽
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*/
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public function columnWidths(): array
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{
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$widths = [];
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$index = 1;
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foreach (array_keys($this->fields) as $field) {
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$letter = $this->getColumnLetter($index);
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if (str_contains($field, 'users')) {
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// 学员信息列设置较宽
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$widths[$letter] = 80;
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} elseif (str_contains($field, 'partners') || str_contains($field, 'project_users')) {
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// 股东和项目经理列
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$widths[$letter] = 50;
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} elseif (str_contains($field, 'all_course')) {
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// 课程列
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$widths[$letter] = 40;
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} elseif (str_contains($field, 'company_name') || str_contains($field, 'address')) {
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// 公司名称和地址
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$widths[$letter] = 30;
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} else {
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// 默认列宽
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$widths[$letter] = 15;
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}
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$index++;
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}
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return $widths;
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}
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/**
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* 设置样式
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*/
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public function styles(Worksheet $sheet): array
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{
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$rowCount = count($this->data) + 1; // 数据行数 + 表头
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$colCount = count($this->fields);
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$lastCol = $this->getColumnLetter($colCount);
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return [
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// 表头样式
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1 => [
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'font' => ['bold' => true, 'size' => 12],
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'alignment' => [
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'horizontal' => Alignment::HORIZONTAL_CENTER,
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'vertical' => Alignment::VERTICAL_CENTER,
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],
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'fill' => [
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'fillType' => \PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID,
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'startColor' => ['rgb' => 'E0E0E0'],
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],
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],
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// 所有数据区域样式
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"A1:{$lastCol}{$rowCount}" => [
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'alignment' => [
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'vertical' => Alignment::VERTICAL_TOP,
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'wrapText' => true, // 自动换行
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],
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'borders' => [
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'allBorders' => [
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'borderStyle' => \PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN,
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'color' => ['rgb' => 'CCCCCC'],
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],
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],
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],
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];
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}
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/**
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* 注册事件
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*/
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public function registerEvents(): array
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{
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return [
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AfterSheet::class => function (AfterSheet $event) {
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$sheet = $event->sheet->getDelegate();
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$rowCount = count($this->data) + 1;
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// 设置表头行高
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$sheet->getRowDimension(1)->setRowHeight(25);
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// 遍历数据行，根据内容设置行高
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for ($row = 2; $row <= $rowCount; $row++) {
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// 获取该行的最大内容行数
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$maxLines = 1;
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foreach (array_keys($this->fields) as $index => $field) {
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$col = $this->getColumnLetter($index + 1);
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$cellValue = $sheet->getCell($col . $row)->getValue();
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if ($cellValue) {
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$lines = substr_count($cellValue, "\n") + 1;
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$maxLines = max($maxLines, $lines);
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}
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}
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// 设置行高（每行内容约15像素，最小20，最大400）
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$rowHeight = min(400, max(20, $maxLines * 15));
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$sheet->getRowDimension($row)->setRowHeight($rowHeight);
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}
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// 冻结首行
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$sheet->freezePane('A2');
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},
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];
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}
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/**
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* 数组转集合
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* @throws ErrorException
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*/
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public function collection()
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{
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$clear = request('clear', 0);
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if (empty($this->fields)) {
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throw new ErrorException('导出字段不能为空');
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}
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if (!is_array($this->fields)) {
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throw new ErrorException('导出字段必须是数组');
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}
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// 获取表头
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$header = array_values($this->fields);
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$moreFileds = [];
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if (empty($clear)) {
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// 表头追加附属数据
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if (isset($this->data[0]['data']) && is_array($this->data[0]['data'])) {
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$moreHeader = array_column($this->data[0]['data'], 'name');
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// 获取头信息
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$header = array_merge($header, $moreHeader);
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// 获取字段信息
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$moreFileds = array_column($this->data[0]['data'], 'field');
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}
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}
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// 获取字段指向
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$fields = array_keys($this->fields);
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$newList = [];
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foreach ($this->data as $info) {
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$temp = [];
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foreach ($fields as $field) {
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if (str_contains($field, 'idcard')) {
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// 身份证
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$temp[$field] = ' ' . $this->getDotValue($info, $field);
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} elseif (str_contains($field, 'all_course')) {
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// 所有课程
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$temp[$field] = $this->allCourse($info);
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} elseif (str_contains($field, 'partners')) {
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// 股东信息
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$temp[$field] = $this->partners($info);
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} elseif (str_contains($field, 'project_users')) {
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// 项目经理
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$temp[$field] = $this->projectManager($info);
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} elseif (str_contains($field, 'users')) {
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// 学员信息
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$temp[$field] = $this->getUsers($info);
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} else {
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$temp[$field] = $this->getDotValue($info, $field);
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}
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}
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// 如果有自定义数据，全部附件上去
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$t2 = [];
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if (empty($clear)) {
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if (isset($info['data']) && $info['data'] && !empty($moreFileds)) {
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$dataCollect = collect($info['data']);
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foreach ($moreFileds as $moreFiled) {
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$value = ($dataCollect->where('field', $moreFiled)->first()['value']) ?? '';
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if (str_contains($moreFiled, 'idcard')) {
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$t2[$moreFiled] = ' ' . $value;
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} else {
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$t2[$moreFiled] = $value;
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}
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}
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}
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}
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$newList[] = $temp + $t2;
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}
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array_unshift($newList, $header); //插入表头
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return new Collection($newList);
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}
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/**
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* .号转数组层级并返回对应的值
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* @param $key
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* @param null $default
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* @return mixed|null
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*/
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function getDotValue($config, $key, $default = null)
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{
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// 如果在第一层，就直接返回
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if (isset($config[$key])) {
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return $config[$key];
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}
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// 如果找不到，直接返回默认值
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if (false === strpos($key, '.')) {
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return $default;
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}
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// 临时数组
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$tempArr = explode('.', $key);
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foreach ($tempArr as $segment) {
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if (!is_array($config) || !array_key_exists($segment, $config)) {
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return $default;
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}
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$config = $config[$segment];
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}
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return $config;
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}
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/**
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* 获取所有课程名称
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* @param $data
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*/
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function allCourse($data)
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{
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$list = [];
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foreach ($data['course_signs'] as $item) {
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$list[] = $item['course']['name'] ?? '';
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}
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return implode("、\r\n", $list);
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}
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/**
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* 获取所有股东信息
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* @param $data
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*/
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function partners($data)
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{
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$list = [];
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foreach ($data['partners'] as $item) {
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$list[] = $item['stockName'] . '-' . $item['stockPercent'] ?? '';
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}
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return implode("、\r\n", $list);
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}
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/**
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* 获取所有项目经理
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* @param $data
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*/
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function projectManager($data)
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{
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$list = [];
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foreach ($data['project_users'] as $item) {
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$list[] = $item['groupName'] . '-' . ($item['userName'] ?? '') . '-' . ($item['investDate'] ?? '');
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}
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return implode("、\r\n", $list);
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}
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/**
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* 获取学员信息（表格格式显示）
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* @param $data
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*/
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function getUsers($data)
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{
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if (empty($data['users'])) {
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return '';
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}
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$result = [];
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// 表头
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$header = "序号\t学号\t姓名\t校友\t职位\t手机\t报名课程\t报名时间";
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$result[] = $header;
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$result[] = str_repeat("─", 80); // 分隔线
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// 数据行
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$index = 1;
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foreach ($data['users'] as $item) {
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// 如果有多个课程报名，需要展开多行
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if (!empty($item['course_signs'])) {
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foreach ($item['course_signs'] as $signIndex => $sign) {
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$courseName = $sign['course']['name'] ?? '-';
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$signDate = isset($sign['created_at']) ? substr($sign['created_at'], 0, 10) : '-';
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if ($signIndex === 0) {
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// 第一行显示完整信息
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$row = implode("\t", [
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$index,
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$item['no'] ?? '-',
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$item['username'] ?? '-',
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$item['is_schoolmate_text'] ?? '-',
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$item['company_position'] ?? '-',
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$item['mobile'] ?? '-',
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$courseName,
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$signDate
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]);
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} else {
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// 后续行只显示课程信息，其他列留空
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$row = implode("\t", [
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'',
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'',
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'',
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'',
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'',
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'',
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$courseName,
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$signDate
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]);
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}
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$result[] = $row;
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}
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} else {
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// 没有课程报名
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$row = implode("\t", [
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$index,
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$item['no'] ?? '-',
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$item['username'] ?? '-',
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$item['is_schoolmate_text'] ?? '-',
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$item['company_position'] ?? '-',
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$item['mobile'] ?? '-',
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'-',
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'-'
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]);
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$result[] = $row;
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}
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$index++;
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}
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return implode("\n", $result);
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}
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}
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