feat:更新UI布局

lib/widget/record/welcome.dart

@@ -0,0 +1,68 @@
+import 'package:fitnote/provider/health_provider.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_common/widget/common_widget.dart';
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+import 'package:intl/intl.dart';
+import 'package:provider/provider.dart';
+
+class Welcome extends StatefulWidget {
+  const Welcome({super.key});
+
+  @override
+  State<Welcome> createState() => _WelcomeState();
+}
+
+class _WelcomeState extends State<Welcome> {
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  String _formatCurrentDate() {
+    final now = DateTime.now();
+    return "${DateFormat('yyyy年MM月dd日').format(now)} ${_getWeekday(now.weekday)}";
+  }
+
+  // 数字星期转中文
+  String _getWeekday(int weekday) {
+    const weekdays = ['周日', '周一', '周二', '周三', '周四', '周五', '周六'];
+    return weekdays[weekday - 1];
+  }
+
+  String getGreeting() {
+    int hour = DateTime.now().hour;
+
+    if (hour >= 5 && hour < 12) {
+      return '早上好';
+    } else if (hour >= 12 && hour < 18) {
+      return '下午好';
+    } else {
+      return '晚上好';
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return CommonCard(
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+        children: [
+          Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(
+                getGreeting(),
+                style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
+              ),
+              const SizedBox(height: 4),
+              Text(
+                '今天是 ${_formatCurrentDate()}',
+                style: const TextStyle(fontSize: 12, color: Colors.grey),
+              ),
+            ],
+          )
+        ],
+      ),
+    );
+  }
+}