feat: 分类页支持后台配置的四种导航模板

components/category/category-scroller.vue

@@ -0,0 +1,93 @@
+<template>
+  <scroll-view scroll-x scroll-with-animation class="cate-scroller" :scroll-into-view="intoView">
+    <view
+      v-for="item in list"
+      :key="item.id"
+      :id="'cs-' + item.id"
+      class="cs-item"
+      :class="{ active: item.id === currentId, 'cs-item--text': mode === 'text' }"
+      @click="$emit('change', item)"
+    >
+      <template v-if="mode === 'icon'">
+        <view class="cs-icon">
+          <u-image width="88rpx" height="88rpx" shape="circle" :src="item.image">
+            <template #loading><u-loading-icon></u-loading-icon></template>
+          </u-image>
+        </view>
+        <text class="cs-name">{{ item.name }}</text>
+      </template>
+      <text v-else class="cs-text-name">{{ item.name }}</text>
+    </view>
+  </scroll-view>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+
+const props = withDefaults(defineProps<{
+  list?: any[]
+  currentId?: string | number | null
+  mode?: 'icon' | 'text'
+}>(), {
+  list: () => [],
+  currentId: null,
+  mode: 'icon'
+})
+
+defineEmits(['change'])
+
+const intoView = computed(() =>
+  props.currentId != null ? `cs-${props.currentId}` : ''
+)
+</script>
+
+<style lang="scss" scoped>
+.cate-scroller {
+  white-space: nowrap;
+  width: 100%;
+  background: #fff;
+}
+.cs-item {
+  display: inline-flex;
+  flex-direction: column;
+  align-items: center;
+  width: 120rpx;
+  padding: 16rpx 0 10rpx;
+  vertical-align: top;
+}
+.cs-icon {
+  width: 88rpx;
+  height: 88rpx;
+  border-radius: 50%;
+  overflow: hidden;
+  border: 2rpx solid transparent;
+}
+.cs-item.active .cs-icon {
+  border-color: $light-color;
+}
+.cs-name {
+  margin-top: 8rpx;
+  font-size: 22rpx;
+  color: #333;
+  max-width: 110rpx;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+.cs-item.active .cs-name {
+  color: $light-color;
+  font-weight: bold;
+}
+.cs-item--text {
+  width: auto;
+  padding: 18rpx 24rpx;
+}
+.cs-text-name {
+  font-size: 26rpx;
+  color: #333;
+}
+.cs-item--text.active .cs-text-name {
+  color: $light-color;
+  font-weight: bold;
+}
+</style>

components/category/category-side-list.vue

@@ -0,0 +1,51 @@
+<template>
+  <scroll-view scroll-y scroll-with-animation class="side-list">
+    <view
+      v-for="item in list"
+      :key="item.id"
+      class="side-item"
+      :class="{ active: item.id === currentId }"
+      @click="$emit('change', item)"
+    >
+      {{ item.name }}
+    </view>
+  </scroll-view>
+</template>
+
+<script setup lang="ts">
+withDefaults(defineProps<{
+  list?: any[]
+  currentId?: string | number | null
+}>(), {
+  list: () => [],
+  currentId: null
+})
+
+defineEmits(['change'])
+</script>
+
+<style lang="scss" scoped>
+.side-list {
+  width: 160rpx;
+  flex-shrink: 0;
+  height: 100%;
+  background-color: #f7f7f7;
+}
+.side-item {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 100%;
+  min-height: 90rpx;
+  padding: 10rpx 8rpx;
+  box-sizing: border-box;
+  font-size: 24rpx;
+  color: #333;
+  text-align: center;
+  &.active {
+    font-weight: bold;
+    color: $light-color;
+    background: #fff;
+  }
+}
+</style>

components/category/sort-bar.vue

@@ -0,0 +1,83 @@
+<template>
+  <view class="sort-bar">
+    <view
+      class="sort-item"
+      :class="{ active: sort === 'releaseTime' }"
+      @click="onClick('releaseTime')"
+    >
+      综合
+    </view>
+    <view
+      class="sort-item"
+      :class="{ active: sort === 'buyCount' }"
+      @click="onClick('buyCount')"
+    >
+      销量
+    </view>
+    <view
+      class="sort-item"
+      :class="{ active: sort === 'price' }"
+      @click="onClick('price')"
+    >
+      <text>价格</text>
+      <view class="arrows">
+        <u-icon
+          name="arrow-up"
+          size="10"
+          :color="sort === 'price' && order === 'asc' ? '#ff6700' : '#c5c5c5'"
+        ></u-icon>
+        <u-icon
+          name="arrow-down"
+          size="10"
+          :color="sort === 'price' && order === 'desc' ? '#ff6700' : '#c5c5c5'"
+        ></u-icon>
+      </view>
+    </view>
+  </view>
+</template>
+
+<script setup lang="ts">
+const props = withDefaults(defineProps<{
+  sort?: string
+  order?: string
+}>(), {
+  sort: 'releaseTime',
+  order: 'desc'
+})
+
+const emit = defineEmits(['change'])
+
+function onClick(type: string) {
+  let nextOrder = 'desc'
+  if (type === 'price') {
+    nextOrder = props.sort === 'price' && props.order === 'desc' ? 'asc' : 'desc'
+  }
+  emit('change', { sort: type, order: nextOrder })
+}
+</script>
+
+<style lang="scss" scoped>
+.sort-bar {
+  display: flex;
+  align-items: center;
+  height: 72rpx;
+  background: #fff;
+  padding: 0 20rpx;
+}
+.sort-item {
+  display: flex;
+  align-items: center;
+  margin-right: 40rpx;
+  font-size: 26rpx;
+  color: #333;
+  &.active {
+    color: $light-color;
+    font-weight: bold;
+  }
+}
+.arrows {
+  display: flex;
+  flex-direction: column;
+  margin-left: 6rpx;
+}
+</style>

components/category/sub-tag-bar.vue

@@ -0,0 +1,55 @@
+<template>
+  <scroll-view scroll-x scroll-with-animation class="tag-bar" :scroll-into-view="intoView">
+    <view
+      v-for="item in list"
+      :key="item.id"
+      :id="'tb-' + item.id"
+      class="tag-item"
+      :class="{ active: item.id === currentId }"
+      @click="$emit('change', item)"
+    >
+      {{ item.name }}
+    </view>
+  </scroll-view>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+
+const props = withDefaults(defineProps<{
+  list?: any[]
+  currentId?: string | number | null
+}>(), {
+  list: () => [],
+  currentId: null
+})
+
+defineEmits(['change'])
+
+const intoView = computed(() =>
+  props.currentId != null ? `tb-${props.currentId}` : ''
+)
+</script>
+
+<style lang="scss" scoped>
+.tag-bar {
+  white-space: nowrap;
+  width: 100%;
+  background: #fff;
+  padding: 8rpx 0;
+}
+.tag-item {
+  display: inline-block;
+  padding: 8rpx 24rpx;
+  margin-right: 12rpx;
+  font-size: 24rpx;
+  color: #333;
+  background: #f5f5f5;
+  border-radius: 24rpx;
+  &.active {
+    color: #fff;
+    background: $light-color;
+    font-weight: bold;
+  }
+}
+</style>

components/category/tpl-category-goods.vue

@@ -0,0 +1,260 @@
+<template>
+  <view class="tpl-goods">
+    <!-- 模板2/3:顶部一级分类图标横滑 -->
+    <category-scroller
+      v-if="template !== 4"
+      :list="categoryList"
+      :current-id="currentL1 && currentL1.id"
+      mode="icon"
+      @change="onL1Change"
+    />
+    <!-- 模板2:三级分类标签横滑 -->
+    <sub-tag-bar
+      v-if="template === 2 && l3List.length"
+      :list="l3List"
+      :current-id="currentL3 && currentL3.id"
+      @change="onL3Change"
+    />
+    <view class="tpl-main">
+      <!-- 左侧:模板2/3 为二级分类,模板4 为一级分类 -->
+      <category-side-list
+        :list="sideList"
+        :current-id="sideCurrentId"
+        @change="onSideChange"
+      />
+      <view class="tpl-right">
+        <!-- 模板4:右上二级分类文字横滑(起点为当前一级名称,作为"全部"入口) -->
+        <category-scroller
+          v-if="template === 4"
+          :list="l2Items"
+          :current-id="topCurrentId"
+          mode="text"
+          @change="onL2Change"
+        />
+        <sort-bar :sort="sort" :order="order" @change="onSortChange" />
+        <scroll-view scroll-y class="goods-scroll" @scrolltolower="loadMore">
+          <m-goods-list
+            v-if="goodsList.length"
+            :res="goodsList"
+            type="oneColumns"
+            :show-fields="setting.showFields"
+            :tab-bar-gap="false"
+            @add-cart="onAddCart"
+          />
+          <view v-else-if="!loading" class="empty">
+            <text>{{ failed ? '加载失败,请点击重试' : '暂无商品' }}</text>
+            <view v-if="failed" class="retry" @click="loadGoods(true)">重试</view>
+          </view>
+          <uni-load-more
+            v-if="goodsList.length"
+            :status="loading ? 'loading' : hasMore ? 'more' : 'noMore'"
+          ></uni-load-more>
+        </scroll-view>
+      </view>
+    </view>
+  </view>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, watch } from 'vue'
+import { getGoodsList } from '@/api/goods.js'
+import CategoryScroller from './category-scroller.vue'
+import CategorySideList from './category-side-list.vue'
+import SubTagBar from './sub-tag-bar.vue'
+import SortBar from './sort-bar.vue'
+import MGoodsList from '@/components/m-goods-list/list.vue'
+
+const props = withDefaults(defineProps<{
+  categoryList?: any[]
+  setting?: any
+  template?: number
+}>(), {
+  categoryList: () => [],
+  setting: () => ({ template: 1, showFields: {} }),
+  template: 2
+})
+
+const currentL1 = ref<any>(null)
+const currentL2 = ref<any>(null)
+const currentL3 = ref<any>(null)
+const sort = ref('releaseTime')
+const order = ref('desc')
+
+const goodsList = ref<any[]>([])
+const pageNumber = ref(1)
+const hasMore = ref(true)
+const loading = ref(false)
+const failed = ref(false)
+
+// 模板2/3:左侧为当前一级的二级分类;模板4:左侧为一级分类
+const sideList = computed(() =>
+  props.template === 4
+    ? props.categoryList
+    : (currentL1.value && currentL1.value.children) || []
+)
+const sideCurrentId = computed(() =>
+  props.template === 4
+    ? currentL1.value && currentL1.value.id
+    : currentL2.value && currentL2.value.id
+)
+// 模板2 的三级标签
+const l3List = computed(() =>
+  (currentL2.value && currentL2.value.children) || []
+)
+// 模板4 顶部:当前一级名称(作为"全部") + 其二级分类
+const l2Items = computed(() => {
+  if (!currentL1.value) return []
+  return [currentL1.value, ...((currentL1.value.children) || [])]
+})
+const topCurrentId = computed(() =>
+  (currentL2.value && currentL2.value.id) || (currentL1.value && currentL1.value.id)
+)
+
+const queryCategoryId = computed(() =>
+  (currentL3.value && currentL3.value.id) ||
+  (currentL2.value && currentL2.value.id) ||
+  (currentL1.value && currentL1.value.id)
+)
+
+watch(
+  () => props.categoryList,
+  (list) => {
+    if (list && list.length && !currentL1.value) {
+      currentL1.value = list[0]
+      currentL2.value = props.template === 4 ? null : (list[0].children && list[0].children[0]) || null
+      currentL3.value = (currentL2.value && currentL2.value.children && currentL2.value.children[0]) || null
+      loadGoods(true)
+    }
+  },
+  { immediate: true }
+)
+
+function onL1Change(item: any) {
+  if (currentL1.value && item.id === currentL1.value.id) return
+  currentL1.value = item
+  currentL2.value = props.template === 4 ? null : (item.children && item.children[0]) || null
+  currentL3.value = (currentL2.value && currentL2.value.children && currentL2.value.children[0]) || null
+  resetSort()
+  loadGoods(true)
+}
+
+function onSideChange(item: any) {
+  if (props.template === 4) {
+    onL1Change(item)
+    return
+  }
+  if (currentL2.value && item.id === currentL2.value.id) return
+  currentL2.value = item
+  currentL3.value = (item.children && item.children[0]) || null
+  loadGoods(true)
+}
+
+function onL3Change(item: any) {
+  if (currentL3.value && item.id === currentL3.value.id) return
+  currentL3.value = item
+  loadGoods(true)
+}
+
+function onL2Change(item: any) {
+  // 选中一级名称项 = 全部(L2 置空)
+  if (currentL1.value && item.id === currentL1.value.id) {
+    currentL2.value = null
+  } else {
+    currentL2.value = item
+  }
+  loadGoods(true)
+}
+
+function onSortChange(payload: { sort: string; order: string }) {
+  sort.value = payload.sort
+  order.value = payload.order
+  loadGoods(true)
+}
+
+function resetSort() {
+  sort.value = 'releaseTime'
+  order.value = 'desc'
+}
+
+async function loadGoods(reset = false) {
+  if (loading.value || !queryCategoryId.value) return
+  if (reset) {
+    pageNumber.value = 1
+    goodsList.value = []
+    hasMore.value = true
+  }
+  loading.value = true
+  failed.value = false
+  try {
+    const res = await getGoodsList({
+      categoryId: queryCategoryId.value,
+      sort: sort.value,
+      order: order.value,
+      pageNumber: pageNumber.value,
+      pageSize: 10,
+    })
+    const records = (res.data && res.data.result && res.data.result.records) || []
+    goodsList.value.push(...records)
+    hasMore.value = records.length >= 10
+  } catch (e) {
+    failed.value = true
+    uni.showToast({ title: '加载失败,请重试', icon: 'none' })
+  } finally {
+    loading.value = false
+  }
+}
+
+function loadMore() {
+  if (!hasMore.value || loading.value) return
+  pageNumber.value += 1
+  loadGoods(false)
+}
+
+function onAddCart(item: any) {
+  uni.navigateTo({
+    url: `/pages/product/goods?id=${item.id}&goodsId=${item.goodsId}`,
+  })
+}
+</script>
+
+<style lang="scss" scoped>
+.tpl-goods {
+  flex: 1;
+  min-height: 0;
+  display: flex;
+  flex-direction: column;
+  background: #fff;
+}
+.tpl-main {
+  flex: 1;
+  min-height: 0;
+  display: flex;
+}
+.tpl-right {
+  flex: 1;
+  min-width: 0;
+  display: flex;
+  flex-direction: column;
+}
+.goods-scroll {
+  flex: 1;
+  min-height: 0;
+  height: 0;
+}
+.empty {
+  padding: 120rpx 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  color: #999;
+  font-size: 26rpx;
+}
+.retry {
+  margin-top: 20rpx;
+  padding: 10rpx 48rpx;
+  border: 1rpx solid $light-color;
+  color: $light-color;
+  border-radius: 32rpx;
+  font-size: 24rpx;
+}
+</style>