update

app/Exports/CommonExport.php

@@ -8,11 +8,19 @@ namespace App\Exports;
 use App\Exceptions\ErrorException;
 use Illuminate\Support\Collection;
 use Maatwebsite\Excel\Concerns\FromCollection;
+use Maatwebsite\Excel\Concerns\WithStyles;
+use Maatwebsite\Excel\Concerns\WithColumnWidths;
+use Maatwebsite\Excel\Concerns\WithEvents;
+use Maatwebsite\Excel\Events\AfterSheet;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+use PhpOffice\PhpSpreadsheet\Style\Alignment;
 
-class CommonExport implements FromCollection
+class CommonExport implements FromCollection, WithStyles, WithColumnWidths, WithEvents
 {
     public $fields;
     public $data;
+    public $hasUsersField = false;
+    public $usersColumnIndex = null;
 
     public function __construct($data, $exportFields)
     {
@@ -20,8 +28,137 @@ class CommonExport implements FromCollection
         $this->fields = $exportFields;
         // 数据
         $this->data = $data;
+
+        // 检查是否有 users 字段
+        if (is_array($exportFields)) {
+            $index = 1;
+            foreach (array_keys($exportFields) as $field) {
+                if (str_contains($field, 'users')) {
+                    $this->hasUsersField = true;
+                    $this->usersColumnIndex = $this->getColumnLetter($index);
+                }
+                $index++;
+            }
+        }
+    }
+
+    /**
+     * 获取列字母
+     */
+    private function getColumnLetter($columnNumber)
+    {
+        $letter = '';
+        while ($columnNumber > 0) {
+            $columnNumber--;
+            $letter = chr(65 + ($columnNumber % 26)) . $letter;
+            $columnNumber = intval($columnNumber / 26);
+        }
+        return $letter;
+    }
+
+    /**
+     * 设置列宽
+     */
+    public function columnWidths(): array
+    {
+        $widths = [];
+        $index = 1;
+        foreach (array_keys($this->fields) as $field) {
+            $letter = $this->getColumnLetter($index);
+            if (str_contains($field, 'users')) {
+                // 学员信息列设置较宽
+                $widths[$letter] = 80;
+            } elseif (str_contains($field, 'partners') || str_contains($field, 'project_users')) {
+                // 股东和项目经理列
+                $widths[$letter] = 50;
+            } elseif (str_contains($field, 'all_course')) {
+                // 课程列
+                $widths[$letter] = 40;
+            } elseif (str_contains($field, 'company_name') || str_contains($field, 'address')) {
+                // 公司名称和地址
+                $widths[$letter] = 30;
+            } else {
+                // 默认列宽
+                $widths[$letter] = 15;
+            }
+            $index++;
+        }
+        return $widths;
+    }
+
+    /**
+     * 设置样式
+     */
+    public function styles(Worksheet $sheet): array
+    {
+        $rowCount = count($this->data) + 1; // 数据行数 + 表头
+        $colCount = count($this->fields);
+        $lastCol = $this->getColumnLetter($colCount);
+
+        return [
+            // 表头样式
+            1 => [
+                'font' => ['bold' => true, 'size' => 12],
+                'alignment' => [
+                    'horizontal' => Alignment::HORIZONTAL_CENTER,
+                    'vertical' => Alignment::VERTICAL_CENTER,
+                ],
+                'fill' => [
+                    'fillType' => \PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID,
+                    'startColor' => ['rgb' => 'E0E0E0'],
+                ],
+            ],
+            // 所有数据区域样式
+            "A1:{$lastCol}{$rowCount}" => [
+                'alignment' => [
+                    'vertical' => Alignment::VERTICAL_TOP,
+                    'wrapText' => true, // 自动换行
+                ],
+                'borders' => [
+                    'allBorders' => [
+                        'borderStyle' => \PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN,
+                        'color' => ['rgb' => 'CCCCCC'],
+                    ],
+                ],
+            ],
+        ];
     }
 
+    /**
+     * 注册事件
+     */
+    public function registerEvents(): array
+    {
+        return [
+            AfterSheet::class => function (AfterSheet $event) {
+                $sheet = $event->sheet->getDelegate();
+                $rowCount = count($this->data) + 1;
+
+                // 设置表头行高
+                $sheet->getRowDimension(1)->setRowHeight(25);
+
+                // 遍历数据行，根据内容设置行高
+                for ($row = 2; $row <= $rowCount; $row++) {
+                    // 获取该行的最大内容行数
+                    $maxLines = 1;
+                    foreach (array_keys($this->fields) as $index => $field) {
+                        $col = $this->getColumnLetter($index + 1);
+                        $cellValue = $sheet->getCell($col . $row)->getValue();
+                        if ($cellValue) {
+                            $lines = substr_count($cellValue, "\n") + 1;
+                            $maxLines = max($maxLines, $lines);
+                        }
+                    }
+                    // 设置行高（每行内容约15像素，最小20，最大400）
+                    $rowHeight = min(400, max(20, $maxLines * 15));
+                    $sheet->getRowDimension($row)->setRowHeight($rowHeight);
+                }
+
+                // 冻结首行
+                $sheet->freezePane('A2');
+            },
+        ];
+    }
 
     /**
      * 数组转集合
@@ -162,20 +299,43 @@ class CommonExport implements FromCollection
     }
 
     /**
-     * 获取手机号
+     * 获取学员信息（优化显示格式）
      * @param $data
      */
     function getUsers($data)
     {
+        if (empty($data['users'])) {
+            return '';
+        }
+
         $list = [];
+        $index = 1;
         foreach ($data['users'] as $item) {
-            $base = $item['no'] . '-' . $item['username'] . '-' . $item['is_schoolmate_text'] . '-' . $item['company_position'] . '-' . ($item['mobile'] ?? '');
-            foreach ($item['course_signs'] as $i) {
-                $base .= '-' . $i['course']['name'] . '-' . ($i['created_at'] ?? '');
+            // 基本信息行
+            $userInfo = [];
+            $userInfo[] = "【学员{$index}】";
+            $userInfo[] = "学号: " . ($item['no'] ?? '-');
+            $userInfo[] = "姓名: " . ($item['username'] ?? '-');
+            $userInfo[] = "校友: " . ($item['is_schoolmate_text'] ?? '-');
+            $userInfo[] = "职位: " . ($item['company_position'] ?? '-');
+            $userInfo[] = "手机: " . ($item['mobile'] ?? '-');
+
+            // 课程报名信息
+            if (!empty($item['course_signs'])) {
+                $userInfo[] = "报名课程:";
+                foreach ($item['course_signs'] as $signIndex => $sign) {
+                    $courseName = $sign['course']['name'] ?? '-';
+                    $signDate = $sign['created_at'] ?? '-';
+                    $userInfo[] = "  " . ($signIndex + 1) . ". {$courseName} ({$signDate})";
+                }
             }
-            $list[] = $base;
+
+            $list[] = implode("\n", $userInfo);
+            $index++;
         }
-        return implode("、\r\n", $list);
+
+        // 用分隔线分隔不同学员
+        return implode("\n" . str_repeat("-", 40) . "\n", $list);
     }
 
 }