From 2a2af01097e95668e62f0bc53831d756399ccc49 Mon Sep 17 00:00:00 2001
From: ISFP_T <68358856@qq.com>
Date: Fri, 8 May 2026 09:20:05 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 env/.env.development                          |   4 +-
 .../tabbar-home/components/class-bullet.vue   | 340 ++++++++++--------
 2 files changed, 184 insertions(+), 160 deletions(-)

diff --git a/env/.env.development b/env/.env.development
index 8d364d2..f1635d4 100644
--- a/env/.env.development
+++ b/env/.env.development
@@ -4,7 +4,7 @@ NODE_ENV=development
 VITE_DELETE_CONSOLE=false
 
 #本地环境
-#VITE_SERVER_BASEURL=https://howhowfresh.com/prod-api
-VITE_SERVER_BASEURL=http://192.168.5.11:8080
+VITE_SERVER_BASEURL=https://howhowfresh.com/prod-api
+#VITE_SERVER_BASEURL=http://192.168.5.11:8080
 #VITE_SERVER_BASEURL=http://192.168.0.148:8888
 #VITE_SERVER_BASEURL=http://liuyao.nat100.top/meiguowaimai
\ No newline at end of file
diff --git a/src/pages/home/components/tabbar-home/components/class-bullet.vue b/src/pages/home/components/tabbar-home/components/class-bullet.vue
index 3b3ffd1..7022464 100644
--- a/src/pages/home/components/tabbar-home/components/class-bullet.vue
+++ b/src/pages/home/components/tabbar-home/components/class-bullet.vue
@@ -1,57 +1,54 @@
 <template>
   <view class="class-bullet-container">
-    <!-- 第一行：自动缓慢滚动 + 可手动滑动 -->
-    <view class="scroll-row first-row">
-      <scroll-view
-        class="ab-scroll mb-10rpx"
-        scroll-x
-        show-scrollbar="false"
-        :scroll-left="scrollLeft1"
-        @touchstart="onTouchStart1"
-        @touchend="onTouchEnd1"
-        @touchcancel="onTouchEnd1"
-        @scroll="onScroll1"
-      >
-        <view class="sv-inner" id="sv1-inner">
-          <!-- 一份内容 -->
-          <view
-            v-for="(item, idx) in categories"
-            :key="item.id + '-row1-a-' + idx"
-            class="category-item"
-            @click="handleItemClick(item)"
-          >
-            <image v-if="item.categoryImage || item.logoUrl" :src="item.categoryImage || item.logoUrl" class="category-icon" mode="aspectFit" />
-            <text class="category-text">{{ item.categoryName || item.name }}</text>
+    <!-- 第一行：跑马灯 + 手动拖动 -->
+    <view
+      class="scroll-row"
+      @touchstart="onTouchStart1"
+      @touchmove.stop.prevent="onTouchMove1"
+      @touchend="onTouchEnd1"
+      @touchcancel="onTouchEnd1"
+    >
+      <view class="marquee-viewport">
+        <view class="marquee-track" :style="trackStyle1">
+          <view class="track-group row1-group-a">
+            <view
+              v-for="(item, idx) in categories"
+              :key="item.id + '-row1-a-' + idx"
+              class="category-item"
+              @click="handleItemClick(item)"
+            >
+              <image v-if="item.categoryImage || item.logoUrl" :src="item.categoryImage || item.logoUrl" class="category-icon" mode="aspectFit" />
+              <text class="category-text">{{ item.categoryName || item.name }}</text>
+            </view>
           </view>
-          <!-- 第二份重复内容，用于无缝滚动 -->
-          <view
-            v-for="(item, idx) in categories"
-            :key="item.id + '-row1-b-' + idx"
-            class="category-item"
-            @click="handleItemClick(item)"
-          >
-            <image v-if="item.categoryImage || item.logoUrl" :src="item.categoryImage || item.logoUrl" class="category-icon" mode="aspectFit" />
-            <text class="category-text">{{ item.categoryName || item.name }}</text>
+          <view class="track-group">
+            <view
+              v-for="(item, idx) in categories"
+              :key="item.id + '-row1-b-' + idx"
+              class="category-item"
+              @click="handleItemClick(item)"
+            >
+              <image v-if="item.categoryImage || item.logoUrl" :src="item.categoryImage || item.logoUrl" class="category-icon" mode="aspectFit" />
+              <text class="category-text">{{ item.categoryName || item.name }}</text>
+            </view>
           </view>
         </view>
-      </scroll-view>
+      </view>
     </view>
 
-    <!-- 第二行：反向数据，自动滚动速度略不同 -->
-    <view class="scroll-row">
-      <scroll-view
-        class="ab-scroll"
-        scroll-x
-        show-scrollbar="false"
-        :scroll-left="scrollLeft2"
-        @touchstart="onTouchStart2"
-        @touchend="onTouchEnd2"
-        @touchcancel="onTouchEnd2"
-        @scroll="onScroll2"
-      >
-        <view class="sv-inner" id="sv2-inner">
+    <!-- 第二行：同向跑马灯 + 手动拖动 -->
+    <view
+      class="scroll-row"
+      @touchstart="onTouchStart2"
+      @touchmove.stop.prevent="onTouchMove2"
+      @touchend="onTouchEnd2"
+      @touchcancel="onTouchEnd2"
+    >
+      <view class="marquee-viewport">
+        <view class="marquee-track" :style="trackStyle2">
+          <view class="track-group row2-group-a">
           <view
-            v-for="(item, idx) in categoriesReversed"
+            v-for="(item, idx) in categories"
             :key="item.id + '-row2-a-' + idx"
             class="category-item"
             @click="handleItemClick(item)"
@@ -59,8 +56,9 @@
             <image v-if="item.categoryImage || item.logoUrl" :src="item.categoryImage || item.logoUrl" class="category-icon" mode="aspectFit" />
             <text class="category-text">{{ item.categoryName || item.name }}</text>
           </view>
+          </view>
           <view
-            v-for="(item, idx) in categoriesReversed"
+            v-for="(item, idx) in categories"
             :key="item.id + '-row2-b-' + idx"
             class="category-item"
             @click="handleItemClick(item)"
@@ -69,14 +67,13 @@
             <text class="category-text">{{ item.categoryName || item.name }}</text>
           </view>
         </view>
-      </scroll-view>
+      </view>
     </view>
   </view>
-  
 </template>
 
 <script setup lang="ts">
-import { computed, ref, onMounted, onUnmounted, nextTick } from 'vue'
+import { computed, ref, onMounted, onUnmounted, nextTick, getCurrentInstance, watch } from 'vue'
 import { useCategoryNavStore } from '@/store'
 
 // 定义分类项接口（与模板字段一致）
@@ -121,127 +118,113 @@ const mockCategories: CategoryItem[] = [
 const categories = computed(() => {
   return props.categories.length > 0 ? props.categories : mockCategories
 })
-// 第二行使用反向顺序以形成与第一行相反的视觉效果
-const categoriesReversed = computed(() => {
-  const list = categories.value || []
-  return list.slice().reverse()
-})
-
-// ===== 自动滚动相关（电商标签推荐风格） =====
-// 视口宽度，用于计算最大可滚动距离（scrollWidth - viewportWidth）
-const systemInfo = uni.getSystemInfoSync()
-const viewportWidth = systemInfo.windowWidth || 0
-
-const scrollLeft1 = ref(0)
-const scrollLeft2 = ref(0)
-
-// 最大可滚动距离（由 scroll 事件提供，避免自己算）
-const maxScroll1 = ref(0)
-const maxScroll2 = ref(0)
 
+const offset1 = ref(0)
+const offset2 = ref(0)
+const loopWidth1 = ref(0)
+const loopWidth2 = ref(0)
 const isTouching1 = ref(false)
 const isTouching2 = ref(false)
+const touchStartX1 = ref(0)
+const touchStartX2 = ref(0)
+const touchStartOffset1 = ref(0)
+const touchStartOffset2 = ref(0)
 
-let autoTimer1: any = null
-let autoTimer2: any = null
-let resumeTimer1: any = null
-let resumeTimer2: any = null
-
-// 速度和间隔可以根据效果微调
-const AUTO_INTERVAL = 30
-const AUTO_STEP_1 = 0.6
-const AUTO_STEP_2 = 0.4
+let resumeTimer1: ReturnType<typeof setTimeout> | null = null
+let resumeTimer2: ReturnType<typeof setTimeout> | null = null
+let raf1 = 0
+let raf2 = 0
+let lastTs1 = 0
+let lastTs2 = 0
 const RESUME_DELAY = 800
-const RESET_THRESHOLD = 2 // 在距离末尾一定范围内就重置
+const PX_PER_SEC_1 = 22
+const PX_PER_SEC_2 = 18
 
-function startAuto1() {
-  if (autoTimer1) return
-  autoTimer1 = setInterval(() => {
-    if (isTouching1.value) return
-    let next = scrollLeft1.value + AUTO_STEP_1
-    const max = maxScroll1.value
-    if (max > 0 && next >= max - RESET_THRESHOLD) {
-      // 距离最右侧很近时，从头开始，实现循环
-      next = 0
-    }
-    scrollLeft1.value = next
-  }, AUTO_INTERVAL)
+const trackStyle1 = computed(() => ({
+  transform: `translate3d(${-offset1.value}px, 0, 0)`,
+}))
+
+const trackStyle2 = computed(() => ({
+  transform: `translate3d(${-offset2.value}px, 0, 0)`,
+}))
+
+function normalizeOffset(value: number, loopWidth: number) {
+  if (loopWidth <= 0) return value
+  let next = value % loopWidth
+  if (next < 0) next += loopWidth
+  return next
 }
 
-function startAuto2() {
-  if (autoTimer2) return
-  autoTimer2 = setInterval(() => {
-    if (isTouching2.value) return
-    let next = scrollLeft2.value + AUTO_STEP_2
-    const max = maxScroll2.value
-    if (max > 0 && next >= max - RESET_THRESHOLD) {
-      next = 0
-    }
-    scrollLeft2.value = next
-  }, AUTO_INTERVAL)
-}
-
-function stopAuto1() {
-  if (autoTimer1) {
-    clearInterval(autoTimer1)
-    autoTimer1 = null
-  }
-}
-
-function stopAuto2() {
-  if (autoTimer2) {
-    clearInterval(autoTimer2)
-    autoTimer2 = null
-  }
-}
-
-function onTouchStart1() {
+function onTouchStart1(e: any) {
+  const touch = e?.touches?.[0]
   isTouching1.value = true
-  if (resumeTimer1) clearTimeout(resumeTimer1)
-  stopAuto1()
+  touchStartX1.value = Number(touch?.clientX || 0)
+  touchStartOffset1.value = offset1.value
+  if (resumeTimer1) {
+    clearTimeout(resumeTimer1)
+    resumeTimer1 = null
+  }
+}
+
+function onTouchMove1(e: any) {
+  if (!isTouching1.value) return
+  const touch = e?.touches?.[0]
+  const x = Number(touch?.clientX || 0)
+  const delta = x - touchStartX1.value
+  offset1.value = normalizeOffset(touchStartOffset1.value - delta, loopWidth1.value)
 }
 
 function onTouchEnd1() {
   resumeTimer1 = setTimeout(() => {
     isTouching1.value = false
-    startAuto1()
+    resumeTimer1 = null
   }, RESUME_DELAY)
 }
 
-function onScroll1(e: any) {
-  const detail = e?.detail
-  if (detail && typeof detail.scrollLeft === 'number') {
-    scrollLeft1.value = detail.scrollLeft
-    // scrollWidth - viewportWidth 为最大可滚动距离
-    if (typeof detail.scrollWidth === 'number' && viewportWidth > 0) {
-      const max = detail.scrollWidth - viewportWidth
-      maxScroll1.value = max > 0 ? max : 0
-    }
+function onTouchStart2(e: any) {
+  const touch = e?.touches?.[0]
+  isTouching2.value = true
+  touchStartX2.value = Number(touch?.clientX || 0)
+  touchStartOffset2.value = offset2.value
+  if (resumeTimer2) {
+    clearTimeout(resumeTimer2)
+    resumeTimer2 = null
   }
 }
 
-function onTouchStart2() {
-  isTouching2.value = true
-  if (resumeTimer2) clearTimeout(resumeTimer2)
-  stopAuto2()
+function onTouchMove2(e: any) {
+  if (!isTouching2.value) return
+  const touch = e?.touches?.[0]
+  const x = Number(touch?.clientX || 0)
+  const delta = x - touchStartX2.value
+  offset2.value = normalizeOffset(touchStartOffset2.value - delta, loopWidth2.value)
 }
 
 function onTouchEnd2() {
   resumeTimer2 = setTimeout(() => {
     isTouching2.value = false
-    startAuto2()
+    resumeTimer2 = null
   }, RESUME_DELAY)
 }
 
-function onScroll2(e: any) {
-  const detail = e?.detail
-  if (detail && typeof detail.scrollLeft === 'number') {
-    scrollLeft2.value = detail.scrollLeft
-    if (typeof detail.scrollWidth === 'number' && viewportWidth > 0) {
-      const max = detail.scrollWidth - viewportWidth
-      maxScroll2.value = max > 0 ? max : 0
-    }
+function tickRow1(ts: number) {
+  if (!lastTs1) lastTs1 = ts
+  const dt = ts - lastTs1
+  lastTs1 = ts
+  if (!isTouching1.value) {
+    offset1.value = normalizeOffset(offset1.value + (PX_PER_SEC_1 * dt) / 1000, loopWidth1.value)
   }
+  raf1 = requestAnimationFrame(tickRow1)
+}
+
+function tickRow2(ts: number) {
+  if (!lastTs2) lastTs2 = ts
+  const dt = ts - lastTs2
+  lastTs2 = ts
+  if (!isTouching2.value) {
+    offset2.value = normalizeOffset(offset2.value + (PX_PER_SEC_2 * dt) / 1000, loopWidth2.value)
+  }
+  raf2 = requestAnimationFrame(tickRow2)
 }
 
 // 点击处理（列表页菜谱 id 来自 store，不放在 URL query）
@@ -255,21 +238,57 @@ function navigateTo(url: string) {
   uni.navigateTo({ url })
 }
 
+function measureLoopWidths() {
+  const instance = getCurrentInstance()
+  if (!instance) return
+  const query = uni.createSelectorQuery().in(instance.proxy)
+  query.select('.row1-group-a').boundingClientRect()
+  query.select('.row2-group-a').boundingClientRect()
+  query.exec((res: Array<{ width?: number } | null>) => {
+    const w1 = Number(res?.[0]?.width || 0)
+    const w2 = Number(res?.[1]?.width || 0)
+    loopWidth1.value = w1 > 0 ? w1 : 0
+    loopWidth2.value = w2 > 0 ? w2 : 0
+  })
+}
+
+function ensureMeasuredWidths(retry = 0) {
+  measureLoopWidths()
+  if (retry >= 8) return
+  setTimeout(() => {
+    if (loopWidth1.value > 0 && loopWidth2.value > 0) return
+    ensureMeasuredWidths(retry + 1)
+  }, 220)
+}
+
 onMounted(() => {
   nextTick(() => {
-    // 启动自动滚动，maxScroll 值会在第一次 scroll 事件时更新
-    setTimeout(() => {
-      startAuto1()
-      startAuto2()
-    }, 300)
+    ensureMeasuredWidths()
   })
+  raf1 = requestAnimationFrame(tickRow1)
+  raf2 = requestAnimationFrame(tickRow2)
 })
 
+watch(
+  () => categories.value.length,
+  () => {
+    nextTick(() => {
+      ensureMeasuredWidths()
+    })
+  }
+)
+
 onUnmounted(() => {
-  stopAuto1()
-  stopAuto2()
-  if (resumeTimer1) clearTimeout(resumeTimer1)
-  if (resumeTimer2) clearTimeout(resumeTimer2)
+  if (raf1) cancelAnimationFrame(raf1)
+  if (raf2) cancelAnimationFrame(raf2)
+  if (resumeTimer1) {
+    clearTimeout(resumeTimer1)
+    resumeTimer1 = null
+  }
+  if (resumeTimer2) {
+    clearTimeout(resumeTimer2)
+    resumeTimer2 = null
+  }
 })
 </script>
 
@@ -279,7 +298,7 @@ onUnmounted(() => {
   overflow: hidden;
 
   .scroll-row {
-    margin-bottom: 20rpx;
+    margin-bottom: 12rpx;
     overflow: hidden;
 
     &:last-child {
@@ -287,15 +306,21 @@ onUnmounted(() => {
     }
   }
 
-  .ab-scroll {
+  .marquee-viewport {
     width: 100%;
     overflow: hidden;
   }
 
-  .sv-inner {
+  .marquee-track {
     display: flex;
-    flex-direction: row;
-    gap: 20rpx;
+    flex-wrap: nowrap;
+    width: max-content;
+    will-change: transform;
+  }
+
+  .track-group {
+    display: flex;
+    flex-wrap: nowrap;
   }
 
   .category-item {
@@ -304,6 +329,7 @@ onUnmounted(() => {
     justify-content: center;
     min-width: 120rpx;
     height: 60rpx;
+    margin-right: 20rpx;
     padding: 0 20rpx;
     background: #fff;
     border: none;
@@ -331,6 +357,4 @@ onUnmounted(() => {
     }
   }
 }
-
-// 取消 CSS 动画，由 JS 控制的 scroll-left 实现无缝滚动，避免与手势滚动冲突导致的抖动
 </style>