import 'package:flutter_easyloading/flutter_easyloading.dart'; Future loading(Function block, {String loadingText = '加载中...'}) async { if (loadingText.isNotEmpty) { showLoading(loadingText); } try { return await block(); } catch (e) { rethrow; } finally { dismissLoading(); } } void showLoading(String text) { EasyLoading.show(status: text); } void dismissLoading() { EasyLoading.dismiss(); }