feat(sip)：新增一个根据订单id查询审批状态的接口

ruoyi-sip/src/main/java/com/ruoyi/sip/controller/vue/OmsPurchaseOrderController.java

@@ -260,6 +260,18 @@ public class OmsPurchaseOrderController extends BaseController
         return success(omsPurchaseOrderService.addToNex(addToNexReq));
     }
 
+    @Anonymous
+    @GetMapping("/approveStatus/{id}")
+    public AjaxResult getApproveStatus(@PathVariable("id") Long id)
+    {
+        OmsPurchaseOrder order = omsPurchaseOrderService.selectOmsPurchaseOrderById(id);
+        if (order != null) {
+            return success(order.getApproveStatus());
+        } else {
+            return error("未找到对应的采购单信息");
+        }
+    }
+
     @Anonymous
     @GetMapping("/test")
     public String test() {