二手车交易，返回按钮的控制

src/utils/myMixins.js

@@ -89,12 +89,12 @@ export const myMixins = {
       }
     },
     isWebFunc(){
+      let res=false
       var isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
       if (!isMobile) {// 是移动端不变
-        return true
-      }else {
-        return false
+        res=true
       }
+      return res
     },
   }
 }