bindbox-mini/components/app-tab-bar.vue

<template>
  <!-- #ifndef MP-TOUTIAO -->
  <view class="clay-tab-bar">
    <view class="tab-bar-item" @tap="switchTab('pages/index/index')" :class="{ active: selected === 0 }">
      <view class="tab-icon-wrapper" :class="{ 'icon-active': selected === 0 }">
        <image class="tab-icon" :src="selected === 0 ? '/static/tab/home_active.png' : '/static/tab/home.png'" mode="aspectFit"></image>
      </view>
      <text class="tab-text" :class="{ active: selected === 0 }">首页</text>
    </view>

    <view class="tab-bar-item" @tap="switchTab('pages/shop/index')" :class="{ active: selected === 1 }">
      <view class="tab-icon-wrapper" :class="{ 'icon-active': selected === 1 }">
        <image class="tab-icon" :src="selected === 1 ? '/static/tab/shop_active.png' : '/static/tab/shop.png'" mode="aspectFit"></image>
      </view>
      <text class="tab-text" :class="{ active: selected === 1 }">商城</text>
    </view>

    <view class="tab-bar-item" @tap="switchTab('pages/cabinet/index')" :class="{ active: selected === 2 }">
      <view class="tab-icon-wrapper" :class="{ 'icon-active': selected === 2 }">
        <image class="tab-icon" :src="selected === 2 ? '/static/tab/box_active.png' : '/static/tab/box.png'" mode="aspectFit"></image>
      </view>
      <text class="tab-text" :class="{ active: selected === 2 }">盒柜</text>
    </view>

    <view class="tab-bar-item" @tap="switchTab('pages/mine/index')" :class="{ active: selected === 3 }">
      <view class="tab-icon-wrapper" :class="{ 'icon-active': selected === 3 }">
        <image class="tab-icon" :src="selected === 3 ? '/static/tab/profile_active.png' : '/static/tab/profile.png'" mode="aspectFit"></image>
      </view>
      <text class="tab-text" :class="{ active: selected === 3 }">我的</text>
    </view>
  </view>
  <!-- #endif -->
</template>

<script>
export default {
  // #ifndef MP-TOUTIAO
  data() {
    return {
      selected: 0 // 默认选中"首页"
    }
  },
  mounted() {
    this.updateSelected()
  },
  onShow() {
    this.updateSelected()
  },
  methods: {
    updateSelected() {
      const pages = getCurrentPages()
      if (pages.length > 0) {
        const currentPage = pages[pages.length - 1]
        const route = currentPage.route

        if (route === 'pages/index/index') this.selected = 0
        else if (route === 'pages/shop/index') this.selected = 1
        else if (route === 'pages/cabinet/index') this.selected = 2
        else if (route === 'pages/mine/index') this.selected = 3
      }
    },
    switchTab(url) {
      uni.switchTab({
        url: '/' + url
      })
    }
  }
  // #endif
}
</script>

<style lang="scss" scoped>
/* #ifndef MP-TOUTIAO */
/* ============================================
   Claymorphism 底部导航栏
   粘土风格 - 柔和浮感 & 双阴影效果
   ============================================ */

.clay-tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(145deg, #ffffff, #f5f5f5);
  border-top: 1px solid rgba(255, 255, 255, 0.6);
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 12rpx 0 calc(12rpx + env(safe-area-inset-bottom));
  z-index: 999;

  /* Claymorphism 双阴影 - 创造浮起效果 */
  box-shadow:
    0 -8rpx 16rpx rgba(0, 0, 0, 0.04),
    0 8rpx 16rpx rgba(255, 255, 255, 0.8),
    inset 0 2rpx 4rpx rgba(255, 255, 255, 0.9),
    inset 0 -2rpx 4rpx rgba(0, 0, 0, 0.02);
}

.tab-bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8rpx 0;
  position: relative;
  transition: all 0.3s ease;

  &.active {
    .tab-icon-wrapper {
      /* 选中状态 - Claymorphism 凸起效果 */
      background: linear-gradient(145deg, #FF9500, #FF6B00);
      box-shadow:
        6rpx 6rpx 12rpx rgba(255, 107, 0, 0.2),
        -6rpx -6rpx 12rpx rgba(255, 255, 255, 0.7),
        inset 2rpx 2rpx 4rpx rgba(255, 255, 255, 0.4),
        inset -2rpx -2rpx 4rpx rgba(0, 0, 0, 0.1);
      transform: translateY(-4rpx);
    }

    .tab-text {
      color: #FF6B00;
      font-weight: 700;
    }
  }

  &:active {
    transform: scale(0.95);
  }
}

/* 图标包装器 - Claymorphism 圆形徽章 */
.tab-icon-wrapper {
  width: 64rpx;
  height: 64rpx;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6rpx;
  background: linear-gradient(145deg, #f8f8f8, #e8e8e8);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* 默认状态 - 凹陷效果 */
  box-shadow:
    inset 3rpx 3rpx 6rpx rgba(0, 0, 0, 0.08),
    inset -3rpx -3rpx 6rpx rgba(255, 255, 255, 0.9);
}

.tab-icon {
  width: 40rpx;
  height: 40rpx;
  transition: all 0.3s ease;
}

.tab-text {
  font-size: 22rpx;
  color: #86868B;
  transition: all 0.3s ease;
  font-weight: 500;
}

/* 选中状态的图标颜色调整 */
.tab-bar-item.active .tab-icon {
  filter: brightness(0) invert(1);
}

/* #endif */
</style>