generated from dellevin/template
继续优化
This commit is contained in:
DelLevin-Home
@@ -168,13 +168,6 @@ class _BookDetailPageState extends State<BookDetailPage> {
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background: _buildCoverSection(book),
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),
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actions: [
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// 下载封面按钮（仅当有封面时显示）
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if (hasCover)
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_buildActionButton(
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icon: Icons.download_outlined,
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onPressed: () => _downloadCover(book),
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tooltip: '下载封面',
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),
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// 清空封面按钮（仅当有封面时显示）
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if (hasCover)
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_buildActionButton(
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@@ -4,6 +4,7 @@ import 'package:image_picker/image_picker.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:path/path.dart' as p;
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import 'package:provider/provider.dart';
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import 'package:http/http.dart' as http;
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import '../../providers/app_provider.dart';
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import '../../models/data_models.dart';
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import '../../utils/toast_util.dart';
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@@ -883,6 +884,78 @@ class _BookFormPageState extends State<BookFormPage> {
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/// 选择封面
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Future<void> _pickCover() async {
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// 显示选择对话框
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final result = await showModalBottomSheet<int>(
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context: context,
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backgroundColor: Colors.white,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
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),
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builder: (context) => SafeArea(
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 16),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// 顶部指示条
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Container(
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width: 40,
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height: 4,
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decoration: BoxDecoration(
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color: const Color(0xFFE0E0E0),
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borderRadius: BorderRadius.circular(2),
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),
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),
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const SizedBox(height: 20),
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// 标题
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const Padding(
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padding: EdgeInsets.symmetric(horizontal: 24),
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child: Align(
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alignment: Alignment.centerLeft,
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child: Text(
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'添加封面',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w600,
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color: Color(0xFF1A1A1A),
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),
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),
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),
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),
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const SizedBox(height: 16),
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// 本地图片选项
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_buildCoverOption(
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icon: Icons.photo_library_outlined,
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title: '从相册选择',
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onTap: () {
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Navigator.pop(context, 0);
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},
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),
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// 网络链接选项
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_buildCoverOption(
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icon: Icons.link_outlined,
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title: '网络链接',
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onTap: () {
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Navigator.pop(context, 1);
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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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if (result == null) return;
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if (result == 0) {
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await _pickCoverFromGallery();
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} else if (result == 1) {
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await _pickCoverFromUrl();
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}
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}
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/// 从相册选择封面
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Future<void> _pickCoverFromGallery() async {
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try {
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final XFile? pickedFile = await _picker.pickImage(
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source: ImageSource.gallery,
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@@ -915,6 +988,167 @@ class _BookFormPageState extends State<BookFormPage> {
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}
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}
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}
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/// 从网络链接选择封面
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Future<void> _pickCoverFromUrl() async {
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final urlController = TextEditingController();
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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backgroundColor: Colors.white,
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elevation: 0,
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
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title: const Text('添加网络图片'),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'请输入图片链接地址',
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style: TextStyle(
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fontSize: 14,
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color: Color(0xFF666666),
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),
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),
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const SizedBox(height: 12),
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TextField(
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controller: urlController,
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decoration: const InputDecoration(
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hintText: 'https://book.doban.com/image.jpg',
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hintStyle: TextStyle(color: Color(0xFFCCCCCC)),
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border: UnderlineInputBorder(),
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enabledBorder: UnderlineInputBorder(
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borderSide: BorderSide(color: Color.fromARGB(255, 58, 49, 49)),
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),
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focusedBorder: UnderlineInputBorder(
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borderSide: BorderSide(color: Color(0xFF1A1A1A)),
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),
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),
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style: const TextStyle(fontSize: 14),
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keyboardType: TextInputType.url,
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),
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],
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('取消', style: TextStyle(color: Color(0xFF666666))),
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),
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TextButton(
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onPressed: () => Navigator.pop(context, true),
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child: const Text('确定', style: TextStyle(color: Color(0xFF1A1A1A))),
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),
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],
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),
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);
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if (confirmed != true) return;
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final url = urlController.text.trim();
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if (url.isEmpty) {
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ToastUtil.show(context, '请输入图片链接');
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return;
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}
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try {
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// 下载网络图片
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final response = await http.get(
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Uri.parse(url),
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headers: {
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'User-Agent': 'Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Mobile/15E148 Safari/604.1',
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'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8',
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'Referer': 'https://book.douban.com/',
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},
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);
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if (response.statusCode != 200) {
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throw Exception('下载失败: HTTP ${response.statusCode}');
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}
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// 检查内容类型
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final contentType = response.headers['content-type'];
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if (contentType != null && !contentType.startsWith('image/')) {
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throw Exception('链接返回的不是图片');
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}
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// 检查文件大小（最大 10MB）
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if (response.bodyBytes.length > 10 * 1024 * 1024) {
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throw Exception('图片太大');
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}
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// 生成文件名
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final fileName = 'cover_${DateTime.now().millisecondsSinceEpoch}.jpg';
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// 如果是编辑模式，使用现有书籍ID；如果是新建模式，使用临时ID
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final bookId = widget.book?.id ?? DateTime.now().millisecondsSinceEpoch.toString();
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// 保存到新的路径结构
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final targetPath = await ImagePathHelper.instance.getBookCoverPath(
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bookId,
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fileName
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);
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await ImagePathHelper.instance.ensureDirExists(p.dirname(targetPath));
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// 写入文件
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await File(targetPath).writeAsBytes(response.bodyBytes);
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setState(() => _coverPath = targetPath);
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if (mounted) {
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ToastUtil.show(context, '添加成功');
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}
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} catch (e) {
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if (mounted) {
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ToastUtil.show(context, '添加失败: $e');
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}
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}
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}
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/// 构建封面选项
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Widget _buildCoverOption({
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required IconData icon,
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required String title,
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required VoidCallback onTap,
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}) {
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return InkWell(
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onTap: onTap,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
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child: Row(
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children: [
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Container(
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width: 44,
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height: 44,
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decoration: BoxDecoration(
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color: const Color(0xFFF5F5F5),
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borderRadius: BorderRadius.circular(10),
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),
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child: Icon(
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icon,
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size: 22,
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color: const Color(0xFF666666),
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),
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),
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const SizedBox(width: 16),
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Text(
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title,
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style: const TextStyle(
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fontSize: 16,
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color: Color(0xFF1A1A1A),
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),
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),
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const Spacer(),
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const Icon(
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Icons.chevron_right,
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color: Color(0xFFCCCCCC),
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size: 20,
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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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/// 保存书籍
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Future<void> _saveBook() async {
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