更新：增加“我的”相关功能

utils/system.ts

@@ -0,0 +1,54 @@
+interface SystemInfo {
+	statusBarHeight?: number;
+	[key: string]: any;
+}
+
+interface MenuButtonRect {
+	top: number;
+	height: number;
+	[key: string]: any;
+}
+
+interface LeftIcon {
+	left: string;
+	width: string;
+}
+
+const SYSTEM_INFO: SystemInfo = uni.getSystemInfoSync();
+
+export const getStatusBarHeight = (): number => SYSTEM_INFO.statusBarHeight || 0;
+
+export const getTitleBarHeight = (): number => {
+	if (uni.getMenuButtonBoundingClientRect) {
+		const { top, height }: MenuButtonRect = uni.getMenuButtonBoundingClientRect();
+		return height + (top - getStatusBarHeight()) * 2;		
+	} else {
+		return 44;
+	}
+}
+
+export const getNavBarHeight = (): number => getStatusBarHeight() + getTitleBarHeight();
+
+export const getLeftIconLeft = (): number => {
+	// #ifdef MP-TOUTIAO
+		const { leftIcon: { left, width } }: { leftIcon: LeftIcon } = tt.getCustomButtonBoundingClientRect();
+		return left + parseInt(width);
+	// #endif
+	
+	// #ifndef MP-TOUTIAO
+		return 0;
+	// #endif	
+}
+
+export const getNavbarHeight2 = () => {
+  const systemInfo = uni.getSystemInfoSync()
+  statusBarHeight.value = systemInfo.statusBarHeight || 0
+  
+  let navBarHeight = 44
+  if (systemInfo.model.indexOf('iPhone') !== -1 && parseInt(systemInfo.model.slice(-2)) >= 11) {
+    navBarHeight = 48
+  }
+  
+  const totalHeight = statusBarHeight.value + navBarHeight
+  navbarHeight.value = totalHeight + 'px'
+}