feat:增加博客卡片内容

lib/models/blog.dart

@@ -0,0 +1,62 @@
+import 'package:json_annotation/json_annotation.dart';
+
+// flutter pub run build_runner build
+part 'blog.g.dart';
+
+@JsonSerializable()
+class Blog {
+  @JsonKey(name: 'id')
+  final int id;
+
+  @JsonKey(name: 'title')
+  final String title;
+
+  @JsonKey(name: 'topValue')
+  final int topValue;
+
+  @JsonKey(name: 'isGreat')
+  final bool isGreat;
+
+  @JsonKey(name: 'category')
+  final String category;
+
+  @JsonKey(name: 'summary')
+  final String summary;
+
+  @JsonKey(name: 'content')
+  final String? content;
+
+  @JsonKey(name: 'wordCount')
+  final int wordCount;
+
+  @JsonKey(name: 'readDuration')
+  final int readDuration;
+
+  @JsonKey(name: 'visitCount')
+  final int visitCount;
+
+  @JsonKey(name: 'createTime')
+  final String createTime;
+
+  @JsonKey(name: 'updateTime')
+  final String updateTime;
+
+  Blog({
+    required this.id,
+    required this.title,
+    required this.topValue,
+    required this.isGreat,
+    required this.category,
+    required this.summary,
+    this.content,
+    required this.wordCount,
+    required this.readDuration,
+    required this.visitCount,
+    required this.createTime,
+    required this.updateTime,
+  });
+
+  factory Blog.fromJson(Map<String, dynamic> json) => _$BlogFromJson(json);
+
+  Map<String, dynamic> toJson() => _$BlogToJson(this);
+}