72 lines
1.8 KiB
Dart
72 lines
1.8 KiB
Dart
import 'package:blog_app/widget/common.dart';
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import 'package:provider/provider.dart';
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import 'package:blog_app/provider/blog.dart';
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import 'package:blog_app/widget/blog.dart';
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import 'package:flutter/material.dart';
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class CategoryPage extends StatefulWidget {
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const CategoryPage({super.key});
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@override
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State<CategoryPage> createState() => _CategoryPageState();
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}
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class _CategoryPageState extends State<CategoryPage> {
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@override
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void initState() {
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super.initState();
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// 初始化加载数据
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.read<BlogProvider>().refreshBlogCategory();
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});
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}
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Widget _buildContent(BlogProvider provider) {
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if (provider.error != null) {
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return buildErrorInfo(
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errorInfo: provider.error!,
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onPressed: () => provider.refreshBlogByYear(),
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);
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}
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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buildCategoryTitle(context, provider.categoryList.length),
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SizedBox(height: 10),
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// 分类列表
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Expanded(
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child: ListView.separated(
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itemCount: provider.categoryList.length,
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separatorBuilder: (context, index) => SizedBox(height: 8),
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itemBuilder: (context, index) {
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final category = provider.categoryList[index];
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return buildCategoryCard(context, category);
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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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@override
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Widget build(BuildContext context) {
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final blogProvider = context.watch<BlogProvider>();
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return Column(
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children: [
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Expanded(
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child: Stack(
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children: [
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if (blogProvider.isLoading)
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buildLoadingIndicator()
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else
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_buildContent(blogProvider),
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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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