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437 lines
14 KiB
437 lines
14 KiB
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:music_player_miao/api/api_music_return.dart';
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import 'package:music_player_miao/common_widget/app_data.dart';
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import 'package:music_player_miao/models/getComment_bean.dart';
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import 'package:music_player_miao/models/universal_bean.dart';
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import 'package:music_player_miao/widget/text_field.dart';
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class CommentView extends StatefulWidget {
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final int id;
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final String song;
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final String singer;
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final String cover;
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const CommentView({
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super.key,
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required this.id,
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required this.song,
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required this.singer,
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required this.cover,
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});
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@override
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_CommentViewState createState() => _CommentViewState();
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}
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class _CommentViewState extends State<CommentView> {
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List comments = [];
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ScrollController _scrollController = ScrollController();
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TextEditingController commentController = TextEditingController();
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FocusNode commentFocusNode = FocusNode();
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List commentTimes = [];
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List commentHeader = [];
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List commentName = [];
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bool ascendingOrder = true;
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int _page = 1;
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int _pageSize = 10;
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int _total = 0;
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bool _isLoading = false;
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bool _hasMoreData = true;
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bool _isSendingComment = false;
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String avatar = AppData().currentAvatar;
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String username = AppData().currentUsername;
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bool _isInitialLoading = true;
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@override
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void initState() {
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super.initState();
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_scrollController.addListener(_scrollListener);
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_fetchCommentData();
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commentController.addListener(() {
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setState(() {});
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});
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}
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@override
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void dispose() {
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_scrollController.dispose();
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commentController.dispose();
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super.dispose();
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}
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void _scrollListener() {
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if (_scrollController.position.pixels ==
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_scrollController.position.maxScrollExtent) {
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if (!_isLoading && _hasMoreData) {
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_loadMoreData();
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}
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}
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}
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Future<void> _loadMoreData() async {
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if (_isLoading || !_hasMoreData) return;
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setState(() {
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_isLoading = true;
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});
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_page++;
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await _fetchCommentData();
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setState(() {
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_isLoading = false;
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});
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}
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String formatDateTime(String dateTimeStr) {
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try {
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DateTime dateTime = DateTime.parse(dateTimeStr);
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// 格式化时间，只保留年月日时分
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return "${dateTime.year}-${dateTime.month.toString().padLeft(2, '0')}-${dateTime.day.toString().padLeft(2, '0')} ${dateTime.hour.toString().padLeft(2, '0')}:${dateTime.minute.toString().padLeft(2, '0')}";
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} catch (e) {
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return dateTimeStr; // 如果解析失败，返回原始字符串
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}
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}
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Future<void> _fetchCommentData() async {
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print('Fetching page $_page');
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try {
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GetCommentBean bean1 = await getCommentApi().getComment(
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musicId: widget.id,
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pageNo: _page,
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pageSize: _pageSize,
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Authorization: AppData().currentToken,
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);
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if (bean1.rows == null || bean1.rows!.isEmpty) {
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setState(() {
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_hasMoreData = false;
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_isInitialLoading = false;
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});
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return;
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}
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_total = bean1.total!;
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setState(() {
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if (_page == 1) {
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comments =
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bean1.rows!.map((rows) => rows.content ?? 'No content').toList();
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commentTimes = bean1.rows!
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.map((rows) => formatDateTime(rows.time ?? 'Unknown time'))
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.toList();
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commentHeader = bean1.rows!
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.map((rows) => rows.avatar ?? 'Default avatar')
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.toList();
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commentName =
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bean1.rows!.map((rows) => rows.username ?? 'Anonymous').toList();
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} else {
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comments.addAll(
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bean1.rows!.map((rows) => rows.content ?? 'No content').toList());
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commentTimes.addAll(bean1.rows!
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.map((rows) => formatDateTime(rows.time ?? 'Unknown time'))
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.toList());
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commentHeader.addAll(bean1.rows!
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.map((rows) => rows.avatar ?? 'Default avatar')
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.toList());
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commentName.addAll(
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bean1.rows!.map((rows) => rows.username ?? 'Anonymous').toList());
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}
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_hasMoreData = comments.length < _total;
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_isInitialLoading = false;
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});
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} catch (error) {
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print('Error fetching comment data: $error');
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setState(() {
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_isLoading = false;
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_isInitialLoading = false;
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});
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}
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}
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void _sortComments() {
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setState(() {
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comments = comments.reversed.toList();
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commentTimes = commentTimes.reversed.toList();
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commentHeader = commentHeader.reversed.toList();
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commentName = commentName.reversed.toList();
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});
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}
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// 新增：检查评论是否有效
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bool isCommentValid() {
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String comment = commentController.text.trim();
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return comment.isNotEmpty;
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}
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void submitComment() async {
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String comment = commentController.text.trim();
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if (!isCommentValid()) {
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return; // 直接返回，不显示提示
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}
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setState(() {
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_isSendingComment = true;
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});
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try {
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UniversalBean bean = await commentMusic().comment(
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musicId: widget.id,
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content: comment,
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Authorization: AppData().currentToken,
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);
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if (bean.code == 200) {
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commentController.clear();
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setState(() {
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comments = [comment, ...comments];
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commentTimes = [
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formatDateTime(DateTime.now().toString()),
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...commentTimes
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];
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commentHeader = [avatar, ...commentHeader];
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commentName = [username, ...commentName];
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_total++;
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});
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}
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} catch (error) {
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print('Error submitting comment: $error');
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} finally {
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setState(() {
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_isSendingComment = false;
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});
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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centerTitle: true,
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backgroundColor: const Color(0xffF6FFD1),
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title: Text(
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'评论($_total)',
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style: TextStyle(color: Colors.black, fontSize: 22),
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),
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elevation: 0,
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leading: IconButton(
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onPressed: () {
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Get.back();
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},
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icon: Image.asset(
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"assets/img/back.png",
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width: 25,
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height: 25,
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fit: BoxFit.contain,
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),
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),
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),
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body: Column(
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children: [
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// ... 保持原有的顶部歌曲信息部分不变 ...
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Container(
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height: 80,
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padding: const EdgeInsets.only(left: 20, right: 10),
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decoration: BoxDecoration(
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color: const Color(0xffF9F2AF),
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borderRadius: BorderRadius.circular(20)),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Row(
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children: [
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ClipRRect(
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borderRadius: BorderRadius.circular(10),
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child: Image.network(
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widget.cover,
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width: 60,
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height: 60,
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fit: BoxFit.cover,
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),
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),
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const SizedBox(width: 20),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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widget.song,
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maxLines: 1,
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style: const TextStyle(
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color: Colors.black,
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fontSize: 16,
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fontWeight: FontWeight.w400),
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),
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Text(
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widget.singer,
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maxLines: 1,
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style: const TextStyle(
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color: Colors.black, fontSize: 14),
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)
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],
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),
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],
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),
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],
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),
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),
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// 评论区标题和排序
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Padding(
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padding: const EdgeInsets.all(10.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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const Text(
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"评论区",
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style: TextStyle(fontSize: 18),
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),
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Row(
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children: [
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const Text(
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"时间",
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style: TextStyle(fontSize: 16),
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),
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IconButton(
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onPressed: () {
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setState(() {
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ascendingOrder = !ascendingOrder;
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_sortComments();
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});
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},
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icon: Image.asset(
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ascendingOrder
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? "assets/img/commend_up.png"
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: "assets/img/commend_down.png",
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fit: BoxFit.contain,
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),
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),
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],
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)
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],
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),
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),
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// 评论列表
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Expanded(
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child: _isInitialLoading
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? const Center(
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child: CircularProgressIndicator(
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color: Color(0xff429482),
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),
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)
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: ListView.builder(
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controller: _scrollController,
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itemCount: comments.length + 1, // +1 为了显示加载更多的提示
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itemBuilder: (context, index) {
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if (index == comments.length) {
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// 显示加载状态或"没有更多数据"的提示
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return Container(
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padding: const EdgeInsets.all(16.0),
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alignment: Alignment.center,
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child: _isLoading
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? const CircularProgressIndicator(
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color: Color(0xff429482),
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)
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: _hasMoreData
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? const Text('上拉加载更多')
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: const Text('没有更多评论了'),
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);
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}
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return ListTile(
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title: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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CircleAvatar(
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backgroundImage:
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NetworkImage(commentHeader[index])),
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const SizedBox(width: 10),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(commentName[index],
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style: const TextStyle(fontSize: 18)),
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Text(
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commentTimes[index],
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style: const TextStyle(fontSize: 14),
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),
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],
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),
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],
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),
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Padding(
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padding: const EdgeInsets.only(
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left: 50, top: 10, bottom: 20),
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child: Text(
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comments[index],
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style: const TextStyle(fontSize: 18),
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),
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),
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Container(
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width: 560,
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height: 2,
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color: const Color(0xffE3F0ED),
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)
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],
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),
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);
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},
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),
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),
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// 评论输入框
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Row(
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children: [
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Expanded(
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child: TextFieldColor(
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controller: commentController,
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hintText: '来发表你的评论吧!',
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enabled: !_isSendingComment,
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),
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),
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const SizedBox(width: 8.0),
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ElevatedButton(
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onPressed: isCommentValid() && !_isSendingComment
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? submitComment
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: null,
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xff429482),
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foregroundColor: Colors.black45,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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minimumSize: const Size(30, 44),
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disabledBackgroundColor: Colors.grey,
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),
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child: _isSendingComment
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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color: Colors.white,
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strokeWidth: 2,
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),
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)
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: const Text(
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'发送',
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style: TextStyle(fontSize: 16),
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),
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),
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],
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),
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),
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],
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),
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);
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}
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}
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