当前用户设备工具类

src/ibiz-core/third-party-service/DingTalkService.ts

 import axios from 'axios';
 import * as dd from 'dingtalk-jsapi';
-
+import {  Util } from '@/ibiz-core/utils';
 /**
  * 钉钉服务
  *
@@ -186,9 +186,7 @@ export class DingTalkService {
      * @memberof DingTalkService
      */
     private navBack(){
-        var u = navigator.userAgent;
-        var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1; //android终端
-        if(isAndroid){
+        if(Util.isAndroid()){
             document.addEventListener('backbutton', (e:any)=> {
                 e.preventDefault();
                 this.backEvent();

src/ibiz-core/utils/util/util.ts

@@ -317,4 +317,15 @@ export class Util {
         return schema.validate({ [property]: value })
     }
 
+    /**
+     * 当前用户设备是否为安卓
+     * 
+     * @returns {boolean}
+     * @memberof Util
+     */
+    public static isAndroid() :boolean{
+        let u :any= navigator.userAgent;
+        return  u.indexOf('Android') > -1 || u.indexOf('Adr') > -1;
+    }
+
 }
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