feat: 搜索直播间、用户

lib/pages/searchPanel/controller.dart

@@ -0,0 +1,48 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:pilipala/http/search.dart';
+import 'package:pilipala/models/common/search_type.dart';
+
+class SearchPanelController extends GetxController {
+  SearchPanelController({this.keyword, this.searchType});
+  ScrollController scrollController = ScrollController();
+  String? keyword;
+  SearchType? searchType;
+  RxInt page = 1.obs;
+  RxList resultList = [].obs;
+
+  @override
+  void onInit() {
+    super.onInit();
+  }
+
+  Future onSearch({type = 'init'}) async {
+    var result = await SearchHttp.searchByType(
+        searchType: searchType!, keyword: keyword!, page: page.value);
+    if (result['status']) {
+      if (type == 'init') {
+        page.value++;
+        resultList.addAll(result['data'].list);
+      } else {
+        resultList.value = result['data'].list;
+      }
+    }
+    return result;
+  }
+
+  Future onRefresh() async {
+    page.value = 1;
+    onSearch(type: 'refresh');
+  }
+
+  // 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);
+    }
+  }
+}