feat(版本管理): 添加应用版本列表功能

- 在GUI中添加查看全部版本按钮和版本列表窗口
- 实现API接口获取应用版本列表数据
- 优化文件下载路径处理，解决open_basedir限制问题
- 重构分页控件布局，增加弹性空间

pyqt5fluentdesign/leonapp_gui.py

@@ -850,6 +850,17 @@ class AppDetailWindow(QMainWindow):
             
             versions_text = "\n".join([f"- 版本 {v['version']} ({v['download_count']} 下载)" for v in data['versions'][:3]])
             self.info_layout.addWidget(CaptionLabel(versions_text))
+            
+            # 添加"查看全部版本"按钮
+            if len(data['versions']) > 3:
+                self.view_all_versions_button = PushButton("查看全部版本")
+                self.view_all_versions_button.clicked.connect(lambda: self.view_all_versions())
+                self.info_layout.addWidget(self.view_all_versions_button)
+        
+    def view_all_versions(self):
+        """查看全部版本"""
+        versions_window = AppVersionsWindow(self.api_client, self.app_id, self.app_title.text(), self)
+        versions_window.show()
         
         # 添加图片数量信息
         if 'images' in data and data['images']:
@@ -920,21 +931,18 @@ class TagAppsWindow(QMainWindow):
         self.app_table.cellDoubleClicked.connect(self.show_app_detail)
         main_layout.addWidget(self.app_table)
         
-        # 创建分页控制
+        # 创建分页控件
         pagination_layout = QHBoxLayout()
-        pagination_layout.setContentsMargins(0, 10, 0, 0)
-        
         self.prev_button = PushButton("上一页")
         self.prev_button.clicked.connect(self.prev_page)
-        pagination_layout.addWidget(self.prev_button)
-        
         self.page_label = CaptionLabel("第 1 页，共 1 页")
-        pagination_layout.addWidget(self.page_label, alignment=Qt.AlignCenter)
-        
         self.next_button = PushButton("下一页")
         self.next_button.clicked.connect(self.next_page)
+        pagination_layout.addWidget(self.prev_button)
+        pagination_layout.addStretch()
+        pagination_layout.addWidget(self.page_label)
+        pagination_layout.addStretch()
         pagination_layout.addWidget(self.next_button)
-        
         main_layout.addLayout(pagination_layout)
         
         # 创建进度条
@@ -1071,7 +1079,7 @@ class DeveloperAppsWindow(QMainWindow):
         self.app_table.cellDoubleClicked.connect(self.show_app_detail)
         main_layout.addWidget(self.app_table)
         
-        # 创建分页控制
+        # 创建分页控件
         pagination_layout = QHBoxLayout()
         pagination_layout.setContentsMargins(0, 10, 0, 0)
         
@@ -1284,6 +1292,147 @@ class DeveloperInfoWindow(QMainWindow):
             parent=self
         )
 
+class AppVersionsWindow(QMainWindow):
+    """应用版本列表窗口"""
+    def __init__(self, api_client, app_id, app_name, parent=None):
+        super().__init__(parent)
+        self.api_client = api_client
+        self.app_id = app_id
+        self.app_name = app_name
+        self.setWindowTitle(f"{app_name} - 版本历史")
+        self.resize(800, 600)
+        self.current_page = 1
+        self.items_per_page = 20
+        self.total_pages = 1
+        self.init_ui()
+        self.load_versions()
+        
+    def init_ui(self):
+        """初始化界面"""
+        # 创建中心部件
+        central_widget = QWidget()
+        self.setCentralWidget(central_widget)
+        
+        # 创建主布局
+        main_layout = QVBoxLayout(central_widget)
+        main_layout.setContentsMargins(20, 20, 20, 20)
+        
+        # 创建标题
+        title = TitleLabel(f"{self.app_name} - 版本历史")
+        main_layout.addWidget(title)
+        
+        # 创建版本列表
+        self.versions_table = TableWidget()
+        self.versions_table.setColumnCount(5)
+        self.versions_table.setHorizontalHeaderLabels(["版本号", "发布日期", "操作系统", "文件大小", "下载量"])
+        main_layout.addWidget(self.versions_table)
+        
+        # 创建分页控件
+        pagination_layout = QHBoxLayout()
+        self.prev_button = PushButton("上一页")
+        self.prev_button.clicked.connect(self.prev_page)
+        self.page_label = CaptionLabel("第 1 页，共 1 页")
+        self.next_button = PushButton("下一页")
+        self.next_button.clicked.connect(self.next_page)
+        
+        pagination_layout.addWidget(self.prev_button)
+        pagination_layout.addStretch()
+        pagination_layout.addWidget(self.page_label)
+        pagination_layout.addStretch()
+        pagination_layout.addWidget(self.next_button)
+        main_layout.addLayout(pagination_layout)
+        
+        # 创建进度条
+        self.progress_bar = ProgressBar()
+        self.progress_bar.setVisible(False)
+        main_layout.addWidget(self.progress_bar)
+        
+    def load_versions(self):
+        """加载版本列表"""
+        self.show_progress()
+        self.worker = WorkerThread(self.api_client, 'getappversions', 
+                                  {'id': self.app_id, 
+                                   'page': self.current_page, 
+                                   'limit': self.items_per_page})
+        self.worker.finished.connect(self.on_versions_loaded)
+        self.worker.progress.connect(self.update_progress)
+        self.worker.error.connect(self.show_error)
+        self.worker.start()
+        
+    def on_versions_loaded(self, data):
+        """版本列表加载完成处理"""
+        self.hide_progress()
+        
+        if not data:
+            self.show_error("版本列表加载失败")
+            return
+        
+        # 清空表格
+        self.versions_table.setRowCount(0)
+        
+        # 更新分页信息
+        pagination = data.get('pagination', {})
+        self.total_pages = pagination.get('totalPages', 1)
+        self.page_label.setText(f"第 {self.current_page} 页，共 {self.total_pages} 页")
+        
+        # 更新按钮状态
+        self.prev_button.setEnabled(self.current_page > 1)
+        self.next_button.setEnabled(self.current_page < self.total_pages)
+        
+        # 填充表格
+        versions = data.get('versions', [])
+        for version in versions:
+            row_position = self.versions_table.rowCount()
+            self.versions_table.insertRow(row_position)
+            
+            # 添加版本数据
+            self.versions_table.setItem(row_position, 0, QTableWidgetItem(version.get('version', '未知')))
+            self.versions_table.setItem(row_position, 1, QTableWidgetItem(version.get('created_at', '未知')))
+            self.versions_table.setItem(row_position, 2, QTableWidgetItem(version.get('platform', '未知')))
+            self.versions_table.setItem(row_position, 3, QTableWidgetItem(version.get('file_size', '未知')))
+            self.versions_table.setItem(row_position, 4, QTableWidgetItem(str(version.get('download_count', 0))))
+        
+        # 自动调整列宽
+        self.versions_table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
+        
+    def prev_page(self):
+        """上一页"""
+        if self.current_page > 1:
+            self.current_page -= 1
+            self.load_versions()
+            
+    def next_page(self):
+        """下一页"""
+        if self.current_page < self.total_pages:
+            self.current_page += 1
+            self.load_versions()
+        
+    def show_progress(self):
+        """显示进度条"""
+        self.progress_bar.setVisible(True)
+        self.progress_bar.setValue(0)
+        
+    def update_progress(self, value):
+        """更新进度条"""
+        self.progress_bar.setValue(value)
+        
+    def hide_progress(self):
+        """隐藏进度条"""
+        self.progress_bar.setVisible(False)
+        
+    def show_error(self, message):
+        """显示错误消息"""
+        self.hide_progress()
+        InfoBar.error(
+            title="错误",
+            content=message,
+            orient=Qt.Horizontal,
+            isClosable=True,
+            position=InfoBarPosition.BOTTOM_RIGHT,
+            duration=5000,
+            parent=self
+        )
+
 class LeonAppGUI(FluentWindow):
     """主应用窗口"""
     def __init__(self):
@@ -1342,6 +1491,11 @@ class LeonAppGUI(FluentWindow):
         """显示开发者信息"""
         developer_info_window = DeveloperInfoWindow(self.api_client, developer_id, self)
         developer_info_window.show()
+        
+    def show_app_versions(self, app_id, app_name):
+        """显示应用的版本列表"""
+        versions_window = AppVersionsWindow(self.api_client, app_id, app_name, self)
+        versions_window.show()
 
 def main():
     """主函数"""