Initial Commit

utils/system-info.js

@@ -0,0 +1,129 @@
+// 系统信息工具类 - 使用新API替换废弃的wx.getSystemInfoSync
+class SystemInfoUtil {
+  constructor() {
+    this.systemInfo = null;
+    this.windowInfo = null;
+    this.deviceInfo = null;
+    this.appBaseInfo = null;
+  }
+
+  // 初始化系统信息
+  async init() {
+    try {
+      // 使用新的API获取系统信息
+      const [windowInfo, deviceInfo, appBaseInfo] = await Promise.all([
+        this.getWindowInfo(),
+        this.getDeviceInfo(), 
+        this.getAppBaseInfo()
+      ]);
+
+      this.windowInfo = windowInfo;
+      this.deviceInfo = deviceInfo;
+      this.appBaseInfo = appBaseInfo;
+
+      // 合并为兼容的systemInfo格式
+      this.systemInfo = {
+        ...windowInfo,
+        ...deviceInfo,
+        ...appBaseInfo
+      };
+
+      console.log('系统信息初始化完成:', this.systemInfo);
+      return this.systemInfo;
+    } catch (error) {
+      console.error('系统信息初始化失败:', error);
+      // 兜底使用旧API
+      this.systemInfo = wx.getSystemInfoSync();
+      return this.systemInfo;
+    }
+  }
+
+  // 获取窗口信息
+  getWindowInfo() {
+    return new Promise((resolve, reject) => {
+      try {
+        const windowInfo = wx.getWindowInfo();
+        resolve(windowInfo);
+      } catch (error) {
+        reject(error);
+      }
+    });
+  }
+
+  // 获取设备信息
+  getDeviceInfo() {
+    return new Promise((resolve, reject) => {
+      try {
+        const deviceInfo = wx.getDeviceInfo();
+        resolve(deviceInfo);
+      } catch (error) {
+        reject(error);
+      }
+    });
+  }
+
+  // 获取应用基础信息
+  getAppBaseInfo() {
+    return new Promise((resolve, reject) => {
+      try {
+        const appBaseInfo = wx.getAppBaseInfo();
+        resolve(appBaseInfo);
+      } catch (error) {
+        reject(error);
+      }
+    });
+  }
+
+  // 获取系统适配信息
+  getSystemAdaptInfo() {
+    if (!this.systemInfo) {
+      console.warn('系统信息未初始化，使用同步API');
+      this.systemInfo = wx.getSystemInfoSync();
+    }
+
+    const menuButtonInfo = wx.getMenuButtonBoundingClientRect();
+    
+    // 状态栏高度
+    const statusBarHeight = this.systemInfo.statusBarHeight || 0;
+    
+    // 胶囊按钮信息
+    const menuButtonHeight = menuButtonInfo.height;
+    const menuButtonTop = menuButtonInfo.top;
+    const menuButtonBottom = menuButtonInfo.bottom;
+    
+    // 导航栏高度 = 胶囊按钮底部 + 胶囊按钮顶部到状态栏的距离
+    const navBarHeight = menuButtonBottom + menuButtonTop - statusBarHeight;
+    
+    // 窗口高度
+    const windowHeight = this.systemInfo.windowHeight || this.systemInfo.screenHeight;
+    
+    // 安全区域
+    const safeAreaBottom = this.systemInfo.safeArea ? 
+      this.systemInfo.screenHeight - this.systemInfo.safeArea.bottom : 0;
+    
+    return {
+      systemInfo: this.systemInfo,
+      statusBarHeight,
+      menuButtonHeight,
+      menuButtonTop,
+      navBarHeight,
+      windowHeight,
+      safeAreaBottom
+    };
+  }
+
+  // 获取性能信息
+  getPerformanceInfo() {
+    return {
+      platform: this.systemInfo?.platform || 'unknown',
+      version: this.systemInfo?.version || 'unknown',
+      SDKVersion: this.systemInfo?.SDKVersion || 'unknown',
+      benchmarkLevel: this.systemInfo?.benchmarkLevel || 0
+    };
+  }
+}
+
+// 创建单例
+const systemInfoUtil = new SystemInfoUtil();
+
+module.exports = systemInfoUtil;