feat(订单): 添加CSV文件导入产品功能

在订单控制器和服务中添加导入产品功能，支持通过CSV文件批量导入产品数据
文件解析使用xlsx库自动识别文件类型并处理UTF-8编码

src/controller/order.controller.ts

@@ -2,6 +2,7 @@ import {
   Body,
   Controller,
   Del,
+  Files,
   Get,
   Inject,
   Param,
@@ -27,7 +28,6 @@ import {
 } from '../dto/order.dto';
 import { User } from '../decorator/user.decorator';
 import { ErpOrderStatus } from '../enums/base.enum';
-
 @Controller('/order')
 export class OrderController {
   @Inject()
@@ -264,4 +264,21 @@ export class OrderController {
       return errorResponse(error?.message || '导出失败');
     }
   }
+
+
+  // 导入产品(CSV 文件)
+    @ApiOkResponse()
+    @Post('/import')
+    async importWintopay(@Files() files: any) {
+      try {
+        // 条件判断:确保存在文件
+        const file = files?.[0];
+        if (!file) return errorResponse('未接收到上传文件');
+  
+        const result = await this.orderService.importWintopayTable(file);
+        return successResponse(result);
+      } catch (error) {
+        return errorResponse(error?.message || error);
+      }
+    }
 }

src/service/order.service.ts

@@ -1,5 +1,6 @@
 import { Inject, Logger, Provide } from '@midwayjs/core';
 import { WPService } from './wp.service';
+import * as xlsx from 'xlsx';
 import { Order } from '../entity/order.entity';
 import { In, Like, Repository } from 'typeorm';
 import { InjectEntityModel, TypeORMDataSourceManager } from '@midwayjs/typeorm';
@@ -32,7 +33,7 @@ import { UpdateStockDTO } from '../dto/stock.dto';
 import { StockService } from './stock.service';
 import { OrderItemOriginal } from '../entity/order_item_original.entity';
 import { SiteApiService } from './site-api.service';
-import { SyncOperationResult } from '../dto/api.dto';
+import { BatchErrorItem, SyncOperationResult,BatchOperationResult } from '../dto/api.dto';
 
 import * as fs from 'fs';
 import * as path from 'path';
@@ -2728,4 +2729,58 @@ export class OrderService {
 
     return result;
   }
+
+
+
+    // 从 CSV 导入产品;存在则更新,不存在则创建
+    async importWintopayTable(file: any): Promise<BatchOperationResult> {
+         let created = 0;
+         let updated = 0;
+         const errors: BatchErrorItem[] = [];
+         const records = await this.getRecordsFromTable(file);
+created++
+updated++
+
+      return { total: records.length, processed: records.length - errors.length, created: 0, updated: 0, errors };
+    }
+
+      async getRecordsFromTable(file: any) {
+        // 解析文件(使用 xlsx 包自动识别文件类型并解析)
+        try {
+          let buffer: Buffer;
+    
+          // 处理文件输入，获取 buffer
+          if (Buffer.isBuffer(file)) {
+            buffer = file;
+          }
+          else if (file?.data) {
+            if (typeof file.data === 'string') {
+              buffer = fs.readFileSync(file.data);
+            } else {
+              buffer = file.data;
+            }
+          } else {
+            throw new Error('无效的文件输入');
+          }
+    
+          let records: any[] = []
+          // xlsx 包会自动根据文件内容识别文件类型(CSV 或 XLSX)
+          // 添加codepage: 65001以确保正确处理UTF-8编码的中文
+          const workbook = xlsx.read(buffer, { type: 'buffer', codepage: 65001 });
+          // 获取第一个工作表
+          const worksheet = workbook.Sheets[workbook.SheetNames[0]];
+          // 将工作表转换为 JSON 数组
+          records = xlsx.utils.sheet_to_json(worksheet);
+    
+          console.log('Parsed records count:', records.length);
+          if (records.length > 0) {
+            console.log('First record keys:', Object.keys(records[0]));
+          }
+          return records;
+        } catch (e: any) {
+          throw new Error(`文件解析失败:${e?.message || e}`);
+        }
+
+
+      }
 }