添加我的最愛新建功能

PrimaryFormParts/PrimaryForm.Favorite.cs

@@ -239,8 +239,8 @@ namespace DualScreenDemo
             }
             else
             {
-                showError = true; 
+                showError = true;
-                isPhoneNumberValid = true;
+                isPhoneNumberValid = false;
                 FavoritePictureBox.Invalidate(); 
                 FavoritePictureBox.Refresh(); 
             }
@@ -254,7 +254,7 @@ namespace DualScreenDemo
                 if (checkPhoneNumberExist(mobileNumber))
                 {
                     isPhoneNumberValid = true;
-                     var searchResults = SearchSongs_Mysql(SearchFavoriteSongs_Mysql());
+                    var searchResults = SearchSongs_Mysql(SearchFavoriteSongs_Mysql());
                     // 重置分頁    
                     currentPage = 0;
                     currentSongList = searchResults;
@@ -267,22 +267,35 @@ namespace DualScreenDemo
                 }
                 else
                 {
-                    /*isPhoneNumberValid = true;
+                    isPhoneNumberValid = true;
-                    SongListManager.Instance.AddNewUser(mobileNumber);
+                    InsertNewFavoriteUser(mobileNumber);
-                    SongListManager.Instance.UserLogin(mobileNumber);
+                    if (checkPhoneNumberExist(mobileNumber))
+                    { 
+                        var searchResults = SearchSongs_Mysql(SearchFavoriteSongs_Mysql());
+                        // 重置分頁    
+                        currentPage = 0;
+                        currentSongList = searchResults;
+                        totalPages = (int)Math.Ceiling((double)searchResults.Count / itemsPerPage);
+                        // 更新多頁面面板的內容
+                        multiPagePanel.currentPageIndex = 0;
+                        multiPagePanel.LoadSongs(currentSongList);
+                        
+                        ToggleFavoritePictureBoxButtonsVisibility();
+                    }
+                    else
+                    {
+                        showError = true; 
+                        isPhoneNumberValid = false;
+                        FavoritePictureBox.Invalidate(); 
+                        FavoritePictureBox.Refresh();
+                    }
                     
-                    
-                    List<SongData> emptySongList = new List<SongData> { new SongData("", "", "歡迎光臨 " + "(" + mobileNumber + ")", 0, "", "", "", "", DateTime.Now, "", "", "", "", "", "", "", "", "", "", "", "", 1) };
-                    
-                    multiPagePanel.currentPageIndex = 0;
-                    multiPagePanel.LoadSongs(emptySongList);*/
-                    ToggleFavoritePictureBoxButtonsVisibility();
                 }
             }
             else
             {
                 showError = true; 
-                isPhoneNumberValid = true;
+                isPhoneNumberValid = false;
                 FavoritePictureBox.Invalidate(); 
                 FavoritePictureBox.Refresh();
             }

PrimaryFormParts/PrimaryForm.SQLSearch.cs

@@ -124,9 +124,38 @@ namespace DualScreenDemo{
                 Console.WriteLine("MyDB 連線已關閉！");
             }
         }
-        public string SearchFavoriteSongs_Mysql(){
+        public void InsertNewFavoriteUser(string phonenumber){
+            string songlist = phonenumber + "的歌單";
+            string query = $"INSERT INTO FavoriteSongs (userPhone,songNumber) VALUES ('{phonenumber}','{songlist}');";
+            Console.WriteLine(query);
+            string connectionString = "Server=192.168.11.4;Port=3306;Database=Karaoke-Kingpin;User=Karaoke-Kingpin;Password=ESM7yTPMnavFmbBH;";
+
+            using (var connection = new MySqlConnection(connectionString))
+            {
+                
+                connection.Open();
+                Console.WriteLine("MyDB 連線成功！");
+
+                using (var command = new MySqlCommand(query, connection))
+                {
+                    int rowsAffected = command.ExecuteNonQuery();
+                    if (rowsAffected > 0)
+                    {
+                        Console.WriteLine("插入成功！");
+                    }
+                    else
+                    {
+                        Console.WriteLine("插入失敗（沒有資料被新增）");
+                    }
+                }
+                connection.Close();
+                Console.WriteLine("MyDB 連線已關閉！");
+            }
+        }
+        public string SearchFavoriteSongs_Mysql()
+        {
             string query = $"SELECT " +
-                "sl.*"+
+                "sl.*" +
                 "FROM FavoriteSongs fs " +
                 "JOIN song_library_cache sl ON fs.songNumber = sl.song_id " +
                 $"WHERE fs.userPhone = '{userPhone}';";
@@ -141,25 +170,28 @@ namespace DualScreenDemo{
                 connection.Open();
                 Console.WriteLine("MyDB 連線成功！");
                 string query = $"SELECT COUNT(*) FROM FavoriteSongs WHERE userPhone = '{phonenumber}'";
-                using (var command = new MySqlCommand(query, connection)){
+                using (var command = new MySqlCommand(query, connection))
-                        int count = Convert.ToInt32(command.ExecuteScalar());
+                {
-                        if (count > 0)
+                    int count = Convert.ToInt32(command.ExecuteScalar());
-                        {
+                    if (count > 0)
-                            exists = true; // 存在
+                    {
-                            userPhone= phonenumber;
+                        exists = true; // 存在
-                            isLoggedIn = true;
+                        userPhone = phonenumber;
-                            //點歌我的最愛按鈕，調整按鈕狀態
+                        isLoggedIn = true;
-                            favoriteButton.Enabled = true;
+                        //點歌我的最愛按鈕，調整按鈕狀態
-                            favoriteButton.BackColor = Color.Transparent;
+                        favoriteButton.Enabled = true;
-                            disabledPanel.Visible = false;
+                        favoriteButton.BackColor = Color.Transparent;
-                        }
+                        disabledPanel.Visible = false;
-                        else
+                        this.Invalidate();
-                        {
+                    }
-                            exists = false; // 不存在
+                    else
-                        }
+                    {
+                        exists = false; // 不存在
+                    }
                 }
                 connection.Close();
                 Console.WriteLine("MyDB 連線關閉！");
+                
             }
             return exists;
         }

PrimaryFormParts/PrimaryForm.cs

@@ -234,6 +234,7 @@ namespace DualScreenDemo
             SaveInitialControlStates(this);
             // 包廂 + port 名稱
             this.Paint += PrimaryForm_Paint;
+            this.Paint += User_Paint;
             // 註冊多頁面面板的頁碼改變事件處理
             multiPagePanel.PageIndexChanged += HandlePageChanged;  
             // 添加 Load 事件處理
@@ -302,7 +303,36 @@ namespace DualScreenDemo
             e.Graphics.DrawString(displayName, font, brush, point_PCName);
             
         }
+        private void User_Paint(object sender, PaintEventArgs e)
+        {
+            if (!string.IsNullOrWhiteSpace(userPhone) && isLoggedIn)
+            {
+                string displayName = "歡迎貴賓 :" + userPhone;
+                float baseWidth = 1920f;
+                float baseHeight = 1080f;
 
+                // 實際螢幕解析度
+                float actualWidth = Screen.PrimaryScreen.Bounds.Width;
+                float actualHeight = Screen.PrimaryScreen.Bounds.Height;
+
+                // 計算縮放比例
+                float scaleX = actualWidth / baseWidth;
+                float scaleY = actualHeight / baseHeight;
+
+
+                // 設定字型：
+                // "微軟正黑體"，大小 20，粗體 (Bold)
+                float fontSize = 18 * scaleY;
+                Font font = new Font("微軟正黑體", fontSize, FontStyle.Bold);
+                // 設定畫刷 (Brush)：
+                // 使用紅色 (Red) 來繪製文字
+                Brush brush = new SolidBrush(Color.Red);
+
+                // 設定繪製文字的位置 (X=800, Y=30)
+                PointF point_user = new PointF(800 * scaleX, 30 * scaleY);
+                e.Graphics.DrawString(displayName, font, brush, point_user);
+            }
+        }
         private void buttonMiddle_Click(object sender, EventArgs e)
         {
             sequenceManager.ProcessClick("巨");