修改

ruoyi-ui/src/api/system/zlqk.js

@@ -24,6 +24,7 @@ export function importExcel(data) {
   return request({
     url: '/system/zlqk/importData',
     method: 'post',
+    responseType: 'blob',
     data
   })
 }

ruoyi-ui/src/views/system/zlqk/index.vue

@@ -332,7 +332,8 @@ export default {
         var formData = new FormData() // 当前为空
         formData.append('file', this.fileList)
         importExcel(formData).then(res => {
-          if (res) {
+          if (res.size > 0) {
+            this.getList()
             const blob = new Blob([res])
             const downloadElement = document.createElement('a')
             const href = window.URL.createObjectURL(blob)// 创建下载的链接