增加扩展机制定位文件；将common模块实现扩展模式；发布新版本；

app/common/tools/ExportTools.php

@@ -2,113 +2,8 @@
 
 namespace app\common\tools;
 
-use PhpOffice\PhpSpreadsheet\Cell\DataType;
+use base\common\tools\ExportToolsBase;
 
-class ExportTools
+class ExportTools extends ExportToolsBase
 {
-    public static function excel($model, $where = [], $fields = [], $image_fields = [], $select_fields = [], $date_fields = [])
-    {
-
-        $spreadsheet = new \PhpOffice\PhpSpreadsheet\Spreadsheet();
-        $sheet = $spreadsheet->getActiveSheet();
-
-        $write_col = 1;
-        $write_line = 1;
-        foreach ($fields as $field_key => $field_name) {
-            $col_key = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($write_col);
-            $sheet->setCellValue($col_key . $write_line, $field_name);
-            $sheet->getColumnDimension($col_key)->setWidth(mb_strlen($field_name) * 3);
-
-            $write_col++;
-        }
-
-        $runtime_file_list = [];
-
-        $limit = 1000;
-
-        $page = 0;
-
-        while (true) {
-            $page++;
-            $list = $model
-                ->where($where)->page($page, $limit)->select();
-            foreach ($list as $list_index => $item) {
-                $write_line++;
-                $write_col = 1;
-
-                foreach ($fields as $field_key => $field_name) {
-                    $col_key = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($write_col);
-
-                    $cel =  null;
-
-                    $value  = \think\helper\Arr::get($item, $field_key);
-
-                    if (in_array($field_key, $image_fields)) {
-                        // 是图片
-                        $cel = $value;
-
-                        try {
-
-                            if (filter_var($value, FILTER_VALIDATE_URL)) {
-
-                                $runtime_file = PathTools::tempBuildPath(uniqid());
-
-                                $runtime_file_list[] = $runtime_file;
-
-                                file_put_contents($runtime_file, file_get_contents($value));
-
-                                $drawing = new \PhpOffice\PhpSpreadsheet\Worksheet\Drawing();
-                                $drawing->setName($field_name);
-                                $drawing->setDescription($field_key);
-                                $drawing->setPath($runtime_file);
-                                $drawing->setHeight(36);
-
-                                $drawing->setCoordinates($col_key . $write_line);
-                                $drawing->setWorksheet($sheet);
-                            }
-                        } catch (\Throwable $th) {
-                            $message = $th->getMessage();
-
-                            $cel .= "\n" . $message;
-                        }
-                    } else if (array_key_exists($field_key, $select_fields)) {
-                        // 需要设置选项
-
-                        $cel = $select_fields[$field_key][$value] ?? $value;
-                    } else if (in_array($field_key, $date_fields)) {
-                        if (empty($value)) {
-                            $cel = '';
-                        } else {
-                            $cel = date('Y-m-d H:i:s', $value);
-                        }
-                    } else {
-                        $cel  = $value;
-                    }
-
-                    $sheet->setCellValueExplicit($col_key . $write_line, $cel, DataType::TYPE_STRING);
-                    $write_col++;
-                }
-            }
-
-            if (count($list) < $limit) {
-                break;
-            }
-        }
-
-
-        $writer = new \PhpOffice\PhpSpreadsheet\Writer\Xlsx($spreadsheet);
-
-        ob_start();
-        $writer->save('php://output');
-        $content = ob_get_contents();
-        ob_clean();
-
-        foreach ($runtime_file_list as  $runtime_file) {
-            if (file_exists($runtime_file)) {
-                unlink($runtime_file);
-            }
-        }
-
-        return $content;
-    }
 }