cfc/cfc-frontend/custom-tab-bar/index.vue

<template>
  <view class="tab-bar-wrap">
    <!-- 统一TabBar：4 Tab（首页/健康/成长/我的）5 等分，中间放五维按钮，所有人同一套入口 -->
    <view class="tab-bar">
      <view
        v-for="(item, index) in leftTabs"
        :key="index"
        class="tab-item"
        :class="{ active: isActive(item) }"
        @click="switchTab(item)"
      >
        <image
          class="tab-icon"
          :src="isActive(item) ? item.selectedIcon : item.icon"
          mode="aspectFit"
        ></image>
        <text class="tab-text">{{ item.text }}</text>
      </view>

      <!-- 中间五维按钮（占 20% 槽位） -->
      <view class="center-btn" @click="openDimPanel">
        <view class="center-btn-inner">
          <text class="center-btn-icon">⭐</text>
        </view>
        <text class="center-btn-label">五维</text>
      </view>

      <view
        v-for="(item, index) in rightTabs"
        :key="index"
        class="tab-item"
        :class="{ active: isActive(item) }"
        @click="switchTab(item)"
      >
        <image
          class="tab-icon"
          :src="isActive(item) ? item.selectedIcon : item.icon"
          mode="aspectFit"
        ></image>
        <text class="tab-text">{{ item.text }}</text>
      </view>
    </view>

    <!-- 五维横排展开 -->
    <view class="dim-fan-overlay" v-if="showDimPanel" @click="closeDimPanel">
      <view class="dim-fan-row">
        <view
          v-for="(dim, idx) in dimensions"
          :key="idx"
          :class="['dim-fan-item', { 'dim-fan-item-up': dim.code === 'mind', 'dim-fan-item-mid': dim.code === 'action' || dim.code === 'body' }]"
          @click.stop="goDimension(dim)"
        >
          <view
            class="dim-fan-circle"
            :class="{ 'fan-active': fanActive }"
            :style="{ backgroundColor: dim.color, transitionDelay: (0.05 * idx) + 's' }"
          >
            <text class="dim-fan-emoji">{{ dim.icon }}</text>
          </view>
          <text
            class="dim-fan-label"
            :class="{ 'fan-active': fanActive }"
            :style="{ transitionDelay: (0.05 * idx) + 's' }"
          >{{ dim.name }}</text>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
import { BrandColors } from '../utils/brand-colors.js'
export default {
  data() {
    return {
      currentIndex: 0,
      showDimPanel: false,
      fanActive: false,
      normalTabs: [
        { text: '首页', pagePath: '/pages/index-home/index', icon: '/static/tab-home.png', selectedIcon: '/static/tab-home-active.png' },
        { text: '健康', pagePath: '/pages/health-main/index', icon: '/static/tab-health.png', selectedIcon: '/static/tab-health-active.png' },
        { text: '成长', pagePath: '/pages/growth-main/index', icon: '/static/tab-growth.png', selectedIcon: '/static/tab-growth-active.png' },
        { text: '我的', pagePath: '/pages/profile-main/profile', icon: '/static/tab-profile.png', selectedIcon: '/static/tab-profile-active.png' }
      ],
      dimensions: [
        { code: 'wealth', name: '富', desc: '利他创富', icon: '💧', color: BrandColors.wealth, bgColor: 'rgba(245,158,11,0.15)' },
        { code: 'action', name: '行', desc: '知行合一', icon: '🌿', color: BrandColors.success, bgColor: 'rgba(16,185,129,0.15)' },
        { code: 'mind', name: '心', desc: '大爱传承', icon: '🔥', color: BrandColors.mind, bgColor: 'rgba(255,107,157,0.15)' },
        { code: 'body', name: '身', desc: '主动健康', icon: '🌏', color: BrandColors.body, bgColor: 'rgba(255,140,66,0.15)' },
        { code: 'wisdom', name: '智', desc: '赋能未来', icon: '⚡', color: BrandColors.wisdom, bgColor: 'rgba(99,102,241,0.15)' }
      ]
    }
  },
  computed: {
    // 5 等分：左 2 Tab + 中间五维按钮 + 右 2 Tab
    leftTabs() {
      return this.normalTabs.slice(0, 2)
    },
    rightTabs() {
      return this.normalTabs.slice(2)
    }
  },
  mounted() {
    this.updateSelected()
  },
  methods: {
    isActive(item) {
      var pages = getCurrentPages()
      if (!pages.length) return false
      var currentPath = '/' + pages[pages.length - 1].route
      return item.pagePath === currentPath
    },
    updateSelected() {
      var pages = getCurrentPages()
      if (pages.length) {
        var currentPage = pages[pages.length - 1]
        var currentPath = '/' + currentPage.route
        var idx = this.normalTabs.findIndex(function(t) { return t.pagePath === currentPath })
        this.currentIndex = idx >= 0 ? idx : 0
      }
    },
    switchTab(item) {
      var tabBarPages = ['/pages/index-home/index', '/pages/health-main/index', '/pages/growth-main/index', '/pages/profile-main/profile']
      if (tabBarPages.indexOf(item.pagePath) !== -1) {
        uni.switchTab({ url: item.pagePath })
      } else {
        uni.redirectTo({ url: item.pagePath })
      }
    },
    openDimPanel() {
      this.showDimPanel = true
      this.fanActive = false
      var self = this
      setTimeout(function() {
        self.fanActive = true
      }, 30)
    },
    closeDimPanel() {
      this.fanActive = false
      var self = this
      setTimeout(function() {
        self.showDimPanel = false
      }, 200)
    },
    goDimension(dim) {
      this.closeDimPanel()
      var dimMap = {
        action: '/pages/action-detail/index',
        mind: '/pages/mind-detail/index',
        body: '/pages/body-detail/index',
        wisdom: '/pages/wisdom-detail/index',
        wealth: '/pages/wealth/index'
      }
      var url = dimMap[dim.code]
      if (!url) return
      var tabBarPages = ['/pages/index-home/index', '/pages/health-main/index', '/pages/growth-main/index', '/pages/profile-main/profile']
      if (tabBarPages.indexOf(url) !== -1) {
        uni.switchTab({ url: url })
      } else {
        uni.navigateTo({ url: url })
      }
    }
  }
}
</script>

<style scoped lang="scss">
.tab-bar-wrap {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
}

.tab-bar {
  display: flex;
  height: 100rpx;
  background: $app-surface;
  padding-bottom: env(safe-area-inset-bottom);
  border-top: 1rpx solid $facade-hairline-2;
  position: relative;
}

.tab-item {
  width: 20%;
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.tab-icon {
  width: 48rpx;
  height: 48rpx;
  margin-bottom: 4rpx;
}

.tab-text {
  font-size: 22rpx;
  color: $facade-text-muted;
}

.tab-item.active .tab-text {
  color: $brand-primary;
}

/* 中间五维按钮（占 20% 槽位） */
.center-btn {
  width: 20%;
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 0;
  position: relative;
  z-index: 2;
}

.center-btn-inner {
  width: 88rpx;
  height: 88rpx;
  border-radius: 50%;
  background: linear-gradient(135deg, $brand-primary, $brand-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: -20rpx;
  flex-shrink: 0;
  box-shadow: 0 4rpx 16rpx rgba(249,115,22,0.4);
}

.center-btn-icon {
  font-size: 40rpx;
  line-height: 1;
}
.center-btn-label {
  font-size: 20rpx;
  color: $facade-text-muted;
  text-align: center;
  margin-top: 2rpx;
}

/* 五维横排展开 */
.dim-fan-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.4);
  animation: fadeIn 0.2s ease;
}
.dim-fan-row {
  position: absolute;
  bottom: 140rpx;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  padding: 0 16rpx;
}
.dim-fan-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 120rpx;
}
.dim-fan-item.dim-fan-item-up {
  margin-top: -120rpx;
}
.dim-fan-item.dim-fan-item-mid {
  margin-top: -60rpx;
}
.dim-fan-circle {
  width: 88rpx;
  height: 88rpx;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0);
  transition: opacity 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 4rpx 16rpx rgba(0,0,0,0.15);
}
.dim-fan-circle.fan-active {
  opacity: 1;
  transform: scale(1);
}
.dim-fan-emoji {
  font-size: 40rpx;
  line-height: 1;
}
.dim-fan-label {
  font-size: 22rpx;
  color: $app-surface;
  font-weight: 600;
  margin-top: 8rpx;
  text-align: center;
  opacity: 0;
  transform: translateY(-10rpx);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.dim-fan-label.fan-active {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
</style>