应付配置文件导入保存该文件

bms-back/bms-admin/src/main/java/com/bms/web/controller/price/PayProductController.java

@@ -21,6 +21,7 @@ import com.bms.common.core.domain.AjaxResult;
 import com.bms.common.core.page.TableDataInfo;
 import com.bms.common.enums.BusinessType;
 import com.bms.common.exception.ServiceException;
+import com.bms.common.utils.file.FileUtils;
 import com.bms.common.utils.poi.ExcelUtil;
 import com.bms.price.domain.ChannelProductMap;
 import com.bms.price.domain.PayProduct;
@@ -86,6 +87,18 @@ public class PayProductController extends BaseController
         return success(payOrderCostService.generate(billId));
     }
 
+    /** 下载某一版导入时上传的源文件 */
+    @PreAuthorize("@ss.hasPermi('price:pay:query')")
+    @PostMapping("/{productId}/source")
+    public void downloadSource(@PathVariable Long productId, HttpServletResponse response) throws Exception
+    {
+        String filename = payProductService.sourceFileName(productId);
+        response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+        response.setCharacterEncoding("utf-8");
+        FileUtils.setAttachmentResponseHeader(response, filename);
+        payProductService.writeSource(productId, response.getOutputStream());
+    }
+
     @PreAuthorize("@ss.hasPermi('price:pay:query')")
     @GetMapping("/{productId}")
     public AjaxResult getInfo(@PathVariable Long productId)