功能更新

2026-02-12 21:29:00 +08:00
parent a9faf251be
commit b3479d1f39
342 changed files with 4671 additions and 2223 deletions
--- a/MelskinTest/ViewModel.cs
+++ b/MelskinTest/ViewModel.cs
@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.ComponentModel;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VibeWPFTest
+{
+    public class MainViewModel : INotifyPropertyChanged
+    {
+        private readonly List<string> _fullDataSource; // 模拟的后端数据源
+
+        private IEnumerable<string> _pagedItems;
+
+        public IEnumerable<string> PagedItems
+        {
+            get => _pagedItems;
+            private set
+            {
+                _pagedItems = value;
+                OnPropertyChanged();
+            }
+        }
+
+        private int _currentPage = 1;
+
+        public int CurrentPage
+        {
+            get => _currentPage;
+            set
+            {
+                _currentPage = value;
+                OnPropertyChanged();
+                UpdatePagedItems();
+            }
+        }
+
+        private int _pageSize = 10;
+
+        public int PageSize
+        {
+            get => _pageSize;
+            set
+            {
+                _pageSize = value;
+                OnPropertyChanged();
+                UpdatePagedItems();
+            }
+        }
+
+        public long TotalItems { get; private set; }
+
+        public MainViewModel()
+        {
+            _fullDataSource = new List<string>(Enumerable.Range(1, 1052).Select(i => $"条目 {i}"));
+            TotalItems = _fullDataSource.Count;
+            OnPropertyChanged(nameof(TotalItems));
+
+            UpdatePagedItems(); // 加载第一页
+        }
+
+        private void UpdatePagedItems()
+        {
+            var skip = (CurrentPage - 1) * PageSize;
+            PagedItems = _fullDataSource.Skip(skip).Take(PageSize).ToList();
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+        protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); }
+    }
+}