v1.0.1

lib/modules/news/home/news_home_controller.dart

@@ -0,0 +1,67 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_dmzj/app/controller/base_controller.dart';
+import 'package:flutter_dmzj/app/event_bus.dart';
+import 'package:flutter_dmzj/models/news/news_tag_model.dart';
+import 'package:flutter_dmzj/modules/news/home/news_list_controller.dart';
+import 'package:flutter_dmzj/requests/news_request.dart';
+import 'package:get/get.dart';
+
+class NewsHomeController extends GetxController
+    with GetTickerProviderStateMixin {
+  NewsRequest request = NewsRequest();
+  late TabController tabController;
+  var loadding = true;
+  List<NewsTagModel> categores = [];
+  var error = false;
+  var errorMsg = "";
+
+  StreamSubscription<dynamic>? streamSubscription;
+
+  @override
+  void onInit() {
+    streamSubscription = EventBus.instance.listen(
+      EventBus.kBottomNavigationBarClicked,
+      (index) {
+        if (index == 1) {
+          refreshOrScrollTop();
+        }
+      },
+    );
+    loadCategores();
+    super.onInit();
+  }
+
+  @override
+  void onClose() {
+    streamSubscription?.cancel();
+    super.onClose();
+  }
+
+  void loadCategores() async {
+    try {
+      loadding = true;
+      error = false;
+      update();
+      var category = await request.category();
+      category.insert(0, NewsTagModel(id: 0, name: "最新"));
+      tabController = TabController(length: category.length, vsync: this);
+
+      categores = category;
+    } catch (e) {
+      errorMsg = e.toString();
+      error = true;
+    } finally {
+      loadding = false;
+      update();
+    }
+  }
+
+  void refreshOrScrollTop() {
+    var tabIndex = tabController.index;
+    BasePageController controller;
+    controller = Get.find<NewsListController>(tag: "${categores[tabIndex].id}");
+    controller.scrollToTopOrRefresh();
+  }
+}