[AI Generated]: feat(*): 完善数据页切换成员、首页接口对接及我的页缓存信息展示

miniprogram/pages/my/my.ts

@@ -1,7 +1,48 @@
-Page({
-    data: {},
+/** 缓存中的用户信息 */
+interface StorageUserInfo {
+    userId: string
+    realname: string
+    sex: number
+    height: number
+    birthday: string
+    [key: string]: any
+}
 
-    onLoad() {},
+/** 页面展示用用户信息 */
+interface PageUserInfo {
+    realname: string
+    sex_dictText: '男' | '女' | ''
+    age: number
+    height: number
+}
+
+/** 从生日字符串（YYYY-MM-DD）计算周岁 */
+function calcAge(birthday: string): number {
+    if (!birthday) return 0
+    const [year, month, day] = birthday.split('-').map(Number)
+    if (!year || !month || !day) return 0
+    const now = new Date()
+    let age = now.getFullYear() - year
+    if (now.getMonth() + 1 < month || (now.getMonth() + 1 === month && now.getDate() < day)) age -= 1
+    return Math.max(0, age)
+}
+
+Page({
+    data: {
+        userInfo: null as PageUserInfo | null,
+    },
+
+    onLoad() {
+        const raw = wx.getStorageSync('userInfo') as StorageUserInfo | null
+        if (!raw?.userId) return
+        const userInfo: PageUserInfo = {
+            realname: raw.realname ?? '',
+            sex_dictText: raw.sex === 1 ? '男' : raw.sex === 2 ? '女' : '',
+            age: calcAge(raw.birthday),
+            height: raw.height ?? 0,
+        }
+        this.setData({ userInfo })
+    },
 
     onShareAppMessage(): WechatMiniprogram.Page.ICustomShareContent {
         return {