修改通用下载中所有表单为文本格式

application/download/controller/Excel.php

@@ -110,13 +110,30 @@ class Excel extends Controller
         $columnCount = count($data[0]);
         $rowCount = count($data);
 
-        // 写入数据
+        // // 写入数据
+        // foreach ($data as $rowIndex => $rowData) {
+        //     for ($colIndex = 0; $colIndex < $columnCount; $colIndex++) {
+        //         $sheet->setCellValueByColumnAndRow($colIndex + 1, $rowIndex + 1, $rowData[$colIndex]);
+        //     }
+        // }
+
+        // 修改后的代码（强制文本格式）
+        use PhpOffice\PhpSpreadsheet\Cell\DataType; // 确保顶部已引入
+
         foreach ($data as $rowIndex => $rowData) {
             for ($colIndex = 0; $colIndex < $columnCount; $colIndex++) {
-                $sheet->setCellValueByColumnAndRow($colIndex + 1, $rowIndex + 1, $rowData[$colIndex]);
+                $cellValue = $rowData[$colIndex];
+                // 强制设置为文本格式
+                $sheet->setCellValueExplicitByColumnAndRow(
+                    $colIndex + 1, 
+                    $rowIndex + 1, 
+                    (string)$cellValue, 
+                    DataType::TYPE_STRING
+                );
             }
         }
 
+
         // 设置表头样式
         $headerRange = 'A1:' . $this->getExcelColumnName($columnCount) . '1';
         $sheet->getStyle($headerRange)->applyFromArray($options['header_style']);