mod: hotPage开发

lib/pages/hot/controller.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/animation.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:get/get.dart';
+import 'package:pilipala/http/api.dart';
+import 'package:pilipala/http/init.dart';
+
+class HotController extends GetxController {
+  final ScrollController scrollController = ScrollController();
+  final int _count = 20;
+  int _currentPage = 1;
+  RxList videoList = [].obs;
+  bool isLoadingMore = false;
+  bool flag = false;
+
+  @override
+  void onInit() {
+    super.onInit();
+    queryHotFeed('init');
+  }
+
+  // 获取推荐
+  Future queryHotFeed(type) async {
+    var res = await Request().get(
+      Api.hotList,
+      data: {'pn': _currentPage, 'ps': _count},
+    );
+    var data = res.data['data']['list'];
+    if (type == 'init') {
+      videoList.value = data;
+    } else if (type == 'onRefresh') {
+      videoList.insertAll(0, data);
+    } else if (type == 'onLoad') {
+      videoList.addAll(data);
+    }
+    _currentPage += 1;
+    isLoadingMore = false;
+  }
+
+  // 下拉刷新
+  Future onRefresh() async {
+    queryHotFeed('onRefresh');
+  }
+
+  // 上拉加载
+  Future onLoad() async {
+    queryHotFeed('onLoad');
+  }
+
+  // 返回顶部并刷新
+  void animateToTop() async {
+    if (scrollController.offset >=
+        MediaQuery.of(Get.context!).size.height * 5) {
+      scrollController.jumpTo(0);
+    } else {
+      await scrollController.animateTo(0,
+          duration: const Duration(milliseconds: 500), curve: Curves.easeInOut);
+    }
+  }
+}