fix:报税零申报，新填时，获取上一个月数据

src/views/business/production/financialReportTax/FormDialog.vue

@@ -359,7 +359,7 @@
     }
   });
 
-  import { saveDetail, updateTax, getTax, deductionTurnBack } from "@/api/business/production/tax";
+  import { saveDetail, updateTax, getTax, deductionTurnBack,getLastMonthLoess } from "@/api/business/production/tax";
   import { uploadFile } from "@/api/tool/file";
   import dragUpload from "@/components/dragUpload"
   // import { de } from "element-plus/es/locale";
@@ -386,6 +386,17 @@
     if (id == 0) {
       isAdd.value = true;
       isView.value = false;
+      console.log(mainInfo.value)
+      const value = {
+        "year":monthInfo.value.year,
+        "month":monthInfo.value.month,
+        "financialReportTaxId":mainInfo.value.id
+      }
+      console.log(value)
+      getLastMonthLoess(value).then((res)=>{
+
+        emptyForm.value.previousAnnualLosses = res;
+      });
     } else if (id == null) {
       isView.value = true;
       emptyForm.value = mainRow.detail;