feat:增加博客统计模块

lib/widget/blog.dart

@@ -1,5 +1,6 @@
 import 'package:blog_app/models/blog.dart';
 import 'package:blog_app/pages/blog_detail_page.dart';
+import 'package:blog_app/pages/category_list_page.dart';
 import 'package:blog_app/utils/date_utils.dart';
 import 'package:blog_app/widget/common.dart';
 import 'package:flutter/material.dart';
@@ -138,6 +139,134 @@ class BlogCard extends StatelessWidget {
   }
 }
 
+Widget buildCategoryTitle(BuildContext context, int count) {
+  return Row(
+    mainAxisAlignment: MainAxisAlignment.center,
+    children: [
+      Container(
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
+        decoration: BoxDecoration(
+          color: Theme.of(context).colorScheme.primary,
+          borderRadius: BorderRadius.circular(8),
+        ),
+        child: Text(
+          '共 $count 个分类',
+          style: const TextStyle(
+            fontWeight: FontWeight.w500,
+            color: Colors.white,
+          ),
+        ),
+      ),
+    ],
+  );
+}
+
+Widget buildCategoryCard(BuildContext context, BlogCategory category) {
+  final colors = Theme.of(context).colorScheme;
+
+  return buildCard(
+    context: context,
+    child: ListTile(
+      leading: Container(
+        width: 50,
+        height: 50,
+        decoration: BoxDecoration(
+          color: colors.primary.withAlpha(50),
+          shape: BoxShape.circle,
+        ),
+        child: Icon(Icons.folder, color: colors.primary, size: 28),
+      ),
+      title: Text(
+        category.name,
+        style: const TextStyle(fontSize: 18, fontWeight: FontWeight.w600),
+      ),
+      subtitle: Padding(
+        padding: const EdgeInsets.only(top: 4.0),
+        child: Text(
+          '${category.count} 篇博客',
+          style: TextStyle(fontSize: 14, color: Colors.grey.shade600),
+        ),
+      ),
+      trailing: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
+        decoration: BoxDecoration(
+          color: colors.primary.withAlpha(50),
+          borderRadius: BorderRadius.circular(16),
+        ),
+        child: Text(
+          category.count.toString(),
+          style: TextStyle(color: colors.primary, fontWeight: FontWeight.bold),
+        ),
+      ),
+      onTap: () => navigateToBlogList(context, category),
+    ),
+  );
+}
+
+Widget buildListTitle(int count) {
+  return Row(
+    mainAxisAlignment: MainAxisAlignment.spaceBetween,
+    children: [
+      const Text(
+        '博客列表',
+        style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
+      ),
+      Text(
+        '共 $count 篇',
+        style: TextStyle(color: Colors.grey.shade600, fontSize: 14),
+      ),
+    ],
+  );
+}
+
+Widget buildBlogListItem(BuildContext context, Blog blog, int index) {
+  final colors = Theme.of(context).colorScheme;
+
+  return buildCard(
+    context: context,
+    child: Padding(
+      padding: EdgeInsets.all(10),
+      child: Row(
+        children: [
+          SizedBox(
+            width: 25,
+            child: Text(
+              index.toString(),
+              style: TextStyle(
+                fontWeight: FontWeight.w500,
+                color: colors.primary,
+              ),
+            ),
+          ),
+
+          // 发布时间
+          SizedBox(
+            width: 150,
+            child: Text(
+              blog.createTime,
+              style: TextStyle(fontSize: 14, color: Colors.grey.shade600),
+            ),
+          ),
+
+          // 标题
+          Expanded(
+            child: Text(
+              blog.title,
+              style: TextStyle(
+                fontSize: 14,
+                fontWeight: FontWeight.w500,
+                color: colors.primary,
+              ),
+              maxLines: 1,
+              overflow: TextOverflow.ellipsis,
+            ),
+          ),
+        ],
+      ),
+    ),
+  );
+}
+
 void navigatorToBlogDetail(BuildContext context, int blogId) {
   Navigator.push(
     context,
@@ -145,6 +274,15 @@ void navigatorToBlogDetail(BuildContext context, int blogId) {
   );
 }
 
+void navigateToBlogList(BuildContext context, BlogCategory category) {
+  Navigator.push(
+    context,
+    MaterialPageRoute(
+      builder: (context) => CategoryListPage(category: category.name),
+    ),
+  );
+}
+
 Widget buildEmpty() {
   return Center(
     child: Column(