fix: 增加创建歌单空值检查和错误提示

lib/view/release_view.dart

@@ -456,7 +456,7 @@ class _ReleaseViewState extends State<ReleaseView> with AutomaticKeepAliveClient
     String artistName,
   ) {
     if (musicFile == null) {
-      _showErrorMessage('请选择音乐文件');
+      _showErrorMessage('请选择音频文件');
       return false;
     }
     if (coverFile == null) {

lib/view/user/user_view.dart

@@ -318,13 +318,6 @@ class _UserViewState extends State<UserView>
                                     color: const Color(0xff404040),
                                   )
                               ),
-                              IconButton(
-                                  onPressed: () {},
-                                  icon: Image.asset(
-                                      "assets/img/user_export.png",
-                                      width: 31
-                                  )
-                              )
                             ],
                           )
                         ],
@@ -530,11 +523,9 @@ class _UserViewState extends State<UserView>
     _controller.clear();
     showDialog(
       context: context,
+      barrierDismissible: false,  // 防止点击空白区域关闭对话框
       builder: (BuildContext context) {
         return AlertDialog(
-          shape: RoundedRectangleBorder(
-            borderRadius: BorderRadius.circular(10),
-          ),
           title: const Center(
             child: Text(
               "新建歌单",
@@ -550,16 +541,8 @@ class _UserViewState extends State<UserView>
                     onPressed: () {
                       Navigator.of(context).pop();
                     },
-                    style: TextButton.styleFrom(
-                      backgroundColor: const Color(0xff429482),
-                      minimumSize: const Size(0, 50), // 移除固定宽度，保留高度
-                      shape: RoundedRectangleBorder(
-                        borderRadius: BorderRadius.circular(5.0),
-                      ),
-                    ),
                     child: const Text(
                       "取消",
-                      style: TextStyle(color: Colors.white),
                     ),
                   ),
                 ),
@@ -567,42 +550,32 @@ class _UserViewState extends State<UserView>
                 Expanded(
                   child: TextButton(
                     onPressed: () async {
-                      Navigator.of(context).pop();
+                      if (_controller.text.trim().isEmpty) {
+                        _showErrorMessage("歌单名称不能为空");
+                        return;
+                      }
+
                       String enteredSongName = _controller.text;
                       SonglistBean bean = await SonglistApi().addSonglist(
                           songlistName: enteredSongName,
                           Authorization: AppData().currentToken);
+
                       if (bean.code == 200) {
-                        print('添加成功');
                         setState(() {
-                          // print('当前歌单数量: $playlistCount');
-                          // print('playlistNames长度: ${playlistNames.length}');
-                          // print('playlistid长度: ${playlistid.length}');
-                          // print('playListSongsNum长度: ${playListSongsNum.length}');
-
                           playlistCount++;
-                          // TODO id
                           playlistid.add(playlistid.length + 1);
                           playlistNames.add(enteredSongName);
                           playListSongsNum.add(0);
-
-                          // print('添加后 - 歌单数量: $playlistCount');
-                          // print('添加后 - playlistNames长度: ${playlistNames.length}');
-                          // print('添加后 - playlistid长度: ${playlistid.length}');
-                          // print('添加后 - playListSongsNum长度: ${playListSongsNum.length}');
                         });
+                        Navigator.of(context).pop();
+                        _showErrorMessage("创建成功");
+
+                      } else {
+                        _showErrorMessage(bean.msg == "重复添加歌单" ? "已存在，请不要重复添加" : "创建歌单失败");
                       }
                     },
-                    style: TextButton.styleFrom(
-                      backgroundColor: const Color(0xff429482),
-                      minimumSize: const Size(0, 50), // 移除固定宽度，保留高度
-                      shape: RoundedRectangleBorder(
-                        borderRadius: BorderRadius.circular(5.0),
-                      ),
-                    ),
                     child: const Text(
                       "确认",
-                      style: TextStyle(color: Colors.white),
                     ),
                   ),
                 ),
@@ -614,6 +587,26 @@ class _UserViewState extends State<UserView>
     );
   }
 
+  void _showErrorMessage(String message) {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('提示'),
+        content: Text(message),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text('确定'),
+            style: TextButton.styleFrom(
+              backgroundColor: const Color(0xff429482),
+              foregroundColor: Colors.white,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
   ///删除
   Future<bool> _showDeleteConfirmationDialog(
       BuildContext context, int index) async {