✨ feat: 优化主入口代码 添加歌曲下载功能

src/main/modules/fileManager.ts

@@ -0,0 +1,69 @@
+import { app, dialog, shell, ipcMain } from 'electron';
+import Store from 'electron-store';
+import * as fs from 'fs';
+import * as path from 'path';
+import axios from 'axios';
+
+/**
+ * 初始化文件管理相关的IPC监听
+ */
+export function initializeFileManager() {
+  // 通用的选择目录处理
+  ipcMain.handle('select-directory', async () => {
+    const result = await dialog.showOpenDialog({
+      properties: ['openDirectory'],
+      title: '选择目录'
+    });
+    return result;
+  });
+
+  // 通用的打开目录处理
+  ipcMain.on('open-directory', (_, path) => {
+    shell.openPath(path);
+  });
+
+  // 下载音乐处理
+  ipcMain.on('download-music', downloadMusic);
+}
+
+/**
+ * 下载音乐功能
+ */
+async function downloadMusic(event: Electron.IpcMainEvent, { url, filename }: { url: string; filename: string }) {
+  try {
+    const store = new Store();
+    const downloadPath = store.get('set.downloadPath') as string || app.getPath('downloads');
+    
+    // 直接使用配置的下载路径
+    const filePath = path.join(downloadPath, `${filename}.mp3`);
+
+    // 检查文件是否已存在，如果存在则添加序号
+    let finalFilePath = filePath;
+    let counter = 1;
+    while (fs.existsSync(finalFilePath)) {
+      const ext = path.extname(filePath);
+      const nameWithoutExt = filePath.slice(0, -ext.length);
+      finalFilePath = `${nameWithoutExt} (${counter})${ext}`;
+      counter++;
+    }
+
+    const response = await axios({
+      url,
+      method: 'GET',
+      responseType: 'stream'
+    });
+
+    const writer = fs.createWriteStream(finalFilePath);
+    response.data.pipe(writer);
+
+    writer.on('finish', () => {
+      event.reply('music-download-complete', { success: true, path: finalFilePath });
+    });
+
+    writer.on('error', (err) => {
+      event.reply('music-download-complete', { success: false, error: err.message });
+    });
+  } catch (error: any) {
+    event.reply('music-download-complete', { success: false, error: error.message });
+  }
+}