1、完善客商模块

2、完善基础数据模块
3、完善规范

src/api/common.js

@@ -1,17 +1,37 @@
 import request from '@/axios';
+import { ElLoading, ElMessage } from 'element-plus';
 
 /**
  * 文件流返回
  * @param url 接口地址
  * @param params 接口参数
  */
-export const exportBlob = (url, params) => {
+export const exportBlob = (url, params, options = {}) => {
+  const { feedback = false, loadingText = '导出中', successText = '导出完成' } = options;
+  const loading = feedback
+    ? ElLoading.service({
+        lock: true,
+        text: loadingText,
+        background: 'rgba(255, 255, 255, 0.7)',
+      })
+    : null;
   return request({
     url: url,
     params: params,
     method: 'get',
     responseType: 'blob',
-  });
+  })
+    .then(res => {
+      if (feedback) {
+        ElMessage.success(successText);
+      }
+      return res;
+    })
+    .finally(() => {
+      if (loading) {
+        loading.close();
+      }
+    });
 };
 
 export const importBlob = (url, file) => {