mod: homePage开发、mainPage优化

lib/pages/home/controller.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/cupertino.dart';
+import 'package:get/get.dart';
+import 'package:pilipala/http/api.dart';
+import 'package:pilipala/http/init.dart';
+
+class HomeController extends GetxController {
+  final ScrollController scrollController = ScrollController();
+  int count = 12;
+  int _currentPage = 1;
+  int crossAxisCount = 2;
+  RxList videoList = [].obs;
+  bool isLoadingMore = false;
+  @override
+  void onInit() {
+    super.onInit();
+    queryRcmdFeed('init');
+  }
+
+  // 获取推荐
+  Future queryRcmdFeed(type) async {
+    var res = await Request().get(
+      Api.recommendList,
+      data: {'feed_version': "V3", 'ps': count, 'fresh_idx': _currentPage},
+    );
+    var data = res.data['data']['item'];
+    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 {
+    queryRcmdFeed('onRefresh');
+  }
+
+  // 上拉加载
+  Future onLoad() async {
+    await Future.delayed(const Duration(milliseconds: 500));
+    queryRcmdFeed('onLoad');
+  }
+}