From 8284bf107b25f580f8dd3b6f8b57ea1d8f35c0e6 Mon Sep 17 00:00:00 2001
From: 17792275749 <812100002@qq.com>
Date: Thu, 3 Sep 2026 08:50:51 +0800
Subject: [PATCH] =?UTF-8?q?feat(data):=20=E4=BD=93=E9=87=8D=E5=B7=AE?=
 =?UTF-8?q?=E5=80=BC=E6=8C=89=20weightDiff/weightTrend=20=E5=8A=A8?=
 =?UTF-8?q?=E6=80=81=E6=B8=B2=E6=9F=93=E5=B9=B6=E5=8C=BA=E5=88=86=E5=A2=9E?=
 =?UTF-8?q?=E5=87=8F=E9=A2=9C=E8=89=B2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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- 差值图标与数值改用后端 weightDiff/weightTrend
- 首次测量/持平不显示差值块
- 增加红色、减少绿色

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 miniprogram/pages/data/data.less |  8 ++++++++
 miniprogram/pages/data/data.ts   |  8 ++++++++
 miniprogram/pages/data/data.wxml | 12 +++++++-----
 3 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/miniprogram/pages/data/data.less b/miniprogram/pages/data/data.less
index ab61ca9..c04c616 100644
--- a/miniprogram/pages/data/data.less
+++ b/miniprogram/pages/data/data.less
@@ -325,6 +325,14 @@
 								height: 26rpx;
 								line-height: 26rpx;
 							}
+
+							&.diff-up {
+								background-color: #FEF0F0;
+
+								> view:nth-of-type(2) {
+									color: #F24439;
+								}
+							}
 						}
 
 						&.arrow::after {
diff --git a/miniprogram/pages/data/data.ts b/miniprogram/pages/data/data.ts
index 364a27c..a9cecc4 100644
--- a/miniprogram/pages/data/data.ts
+++ b/miniprogram/pages/data/data.ts
@@ -38,6 +38,10 @@ interface MeasureRecord {
     weight: number
     bmi: number
     fatRate: number
+    /** 相比上次体重差值绝对值(kg)，首次测量为 null */
+    weightDiff: number | null
+    /** 变化方向：1增加 -1减少 0持平 null首次 */
+    weightTrend: number | null
 }
 
 /** GET /weighingScale/v3/getMeasureHistoryPage 返回结构 */
@@ -150,6 +154,8 @@ Page({
                     weight: r.weight ?? 0,
                     bmi: r.bmi ?? 0,
                     fatRate: r.fatRate ?? 0,
+                    weightDiff: r.weightDiff == null ? null : Math.abs(r.weightDiff),
+                    weightTrend: r.weightTrend ?? null,
                 }))
                 const total = page.total ?? 0
 
@@ -191,6 +197,8 @@ Page({
                     weight: r.weight ?? 0,
                     bmi: r.bmi ?? 0,
                     fatRate: r.fatRate ?? 0,
+                    weightDiff: r.weightDiff == null ? null : Math.abs(r.weightDiff),
+                    weightTrend: r.weightTrend ?? null,
                 }))
                 const allRecords = [...this.data.records, ...newRecords]
                 this.setData({
diff --git a/miniprogram/pages/data/data.wxml b/miniprogram/pages/data/data.wxml
index df9f911..97b616e 100644
--- a/miniprogram/pages/data/data.wxml
+++ b/miniprogram/pages/data/data.wxml
@@ -73,12 +73,14 @@
 								<view class="list-examTime">{{ item.examTime }}</view>
 								<view class="list-weight arrow">
 									<view>{{ item.weight }}<text>kg</text></view>
-									<view>
-										<view>
-											<image src="/images/data/sub.png" mode="aspectFit" />
+									<block wx:if="{{ item.weightTrend === 1 || item.weightTrend === -1 }}">
+										<view class="{{ item.weightTrend === 1 ? 'diff-up' : '' }}">
+											<view>
+												<image src="{{ item.weightTrend === 1 ? '/images/data/add.png' : '/images/data/sub.png' }}" mode="aspectFit" />
+											</view>
+											<view>{{ item.weightDiff }}</view>
 										</view>
-										<view>0.3</view>
-									</view>
+									</block>
 								</view>
 								<view class="list-bmi">
 									<view>