feat:增加博客卡片内容

lib/utils/date_utils.dart

@@ -0,0 +1,13 @@
+import 'package:intl/intl.dart';
+
+String formatDate(DateTime date) {
+  return DateFormat('yyyy-MM-dd').format(date);
+}
+
+String formatDateString(String date) {
+  return DateFormat('yyyy-MM-dd').format(DateTime.parse(date));
+}
+
+String formatTime(DateTime datetime) {
+  return DateFormat('yyyy-MM-dd HH:mm:ss').format(datetime);
+}

lib/utils/http_utils.dart

@@ -1,8 +1,8 @@
 import 'package:blog_app/config/app_config.dart';
-import 'package:blog_app/utils/sp_util.dart';
+import 'package:blog_app/utils/sp_utils.dart';
 import 'package:dio/dio.dart';
 
-import 'log_util.dart';
+import 'log_utils.dart';
 
 class HttpUtil {
   static final HttpUtil _instance = HttpUtil._internal();

lib/utils/index.dart

@@ -0,0 +1,28 @@
+import 'package:blog_app/models/common.dart';
+
+List<T> convertListResponse<T>(
+  dynamic data,
+  T Function(Map<String, dynamic>) fromJson,
+) {
+  if (data is List) {
+    return data.map((item) => fromJson(item as Map<String, dynamic>)).toList();
+  }
+  throw FormatException(
+    'Expected a list of items for conversion, but got ${data.runtimeType}',
+  );
+}
+
+PageResult<T> convertPageResponse<T>(
+  dynamic data,
+  T Function(Map<String, dynamic>) fromJson,
+) {
+  if (data is Map<String, dynamic>) {
+    return PageResult<T>.fromJson(
+      data,
+      (json) => fromJson(json as Map<String, dynamic>),
+    );
+  }
+  throw FormatException(
+    'Expected a Map for page response conversion, but got ${data.runtimeType}',
+  );
+}