flat:显示性能优化

common/globalFunction.js

@@ -539,6 +539,10 @@ function isInWechatMiniProgramWebview() {
     return ua.includes('miniprogram') || window.__wxjs_environment === 'miniprogram'
 }
 
+function isEmptyObject(obj) {
+    return obj && typeof obj === 'object' && !Array.isArray(obj) && Object.keys(obj).length === 0;
+}
+
 export const $api = {
     msg,
     prePage,
@@ -579,5 +583,6 @@ export default {
     parseQueryParams,
     appendScriptTagElement,
     insertSortData,
-    isInWechatMiniProgramWebview
+    isInWechatMiniProgramWebview,
+    isEmptyObject
 }