监听缓存事件

fe/PC/src/utils/watcLlocalstorage.js

@@ -0,0 +1,11 @@
+//用于监听本地缓存
+export default function dispatchEventStroage () {
+    const signSetItem = localStorage.setItem
+    localStorage.setItem = function (key, val) {
+      let setEvent = new Event('setItemEvent')
+      setEvent.key = key
+      setEvent.newValue = val
+      window.dispatchEvent(setEvent)
+      signSetItem.apply(this, arguments)
+    }
+  }