feat(home): 首页接入最新测量数据与空态

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

miniprogram/pages/home/home.ts

@@ -10,6 +10,42 @@ interface PageUserInfo {
     height: number
 }
 
+/** 身体成分单项指标 */
+interface LefuBodyDatum {
+    bodyParamKey: string
+    currentValue: string
+    [key: string]: any
+}
+
+/** 测量历史详情 */
+interface MeasureHistoryVO {
+    recordId?: string
+    height?: number
+    weight?: number
+    weightChange?: number
+    bmi?: number
+    bmiType?: string
+    fatRate?: number
+    fatValue?: number
+    examTime?: string
+    bodyDataList?: LefuBodyDatum[]
+}
+
+/** 页面展示用最近测量记录 */
+interface WeightRecord {
+    weight: number
+    weightDecimal: string
+    date: string
+    diff: number
+    height: number
+    bmi: number
+    bmiLabel: string
+    bodyFat: number
+    bodyFatMass: number
+    bodyWater: number
+    protein: number
+}
+
 /** 将体重数字拆成整数 + 小数字符串 */
 const splitWeight = (weight: number): { int: number; decimal: string } => {
     const str = weight.toFixed(2)
@@ -17,14 +53,23 @@ const splitWeight = (weight: number): { int: number; decimal: string } => {
     return { int: Number(intPart), decimal: `.${decPart}` }
 }
 
+/** 从 bodyDataList 提取指标数值 */
+const pickValue = (list: LefuBodyDatum[] = [], key: string): number => {
+    const item = list.find((d) => d?.bodyParamKey === key)
+    const v = parseFloat(item?.currentValue ?? '')
+    return isNaN(v) ? 0 : v
+}
+
 Page({
     data: {
-        record: null,
+        hasData: false,
+        record: null as WeightRecord | null,
         userInfo: null as PageUserInfo | null,
     },
 
     onShow() {
         this._loadUserInfo()
+        this.loadData()
     },
 
     // 从缓存回显用户信息
@@ -41,6 +86,38 @@ Page({
         })
     },
 
+    // 拉取最新一次测量记录
+    loadData() {
+        const raw = wx.getStorageSync('userInfo') as UserInfo | null
+        if (!raw?.userId) return
+        get<MeasureHistoryVO>('weighingScale/v3/getMeasureHistory', {
+            userId: raw.userId,
+        }, { loading: false })
+            .then((res: any) => {
+                const d: MeasureHistoryVO = res.result
+                if (!d) {
+                    this.setData({ hasData: false, record: null })
+                    return
+                }
+                const { int, decimal } = splitWeight(d.weight ?? 0)
+                const record: WeightRecord = {
+                    weight: int,
+                    weightDecimal: decimal,
+                    date: d.examTime ?? '',
+                    diff: d.weightChange ?? 0,
+                    height: d.height ?? 0,
+                    bmi: d.bmi ?? 0,
+                    bmiLabel: d.bmiType ?? '',
+                    bodyFat: d.fatRate ?? 0,
+                    bodyFatMass: d.fatValue ?? 0,
+                    bodyWater: pickValue(d.bodyDataList, 'ppWaterKg'),
+                    protein: pickValue(d.bodyDataList, 'ppProteinKg'),
+                }
+                this.setData({ hasData: true, record })
+            })
+            .catch(() => {})
+    },
+
     onShareAppMessage(): WechatMiniprogram.Page.ICustomShareContent {
         return {
             title: '智能蓝牙秤',