风格

通过type设置风格，支持三种风格card、borderCard、line

 

 

 核心代码

  组件双向绑定

modelVal: {
      type: Number | String,
      required: true
    },

 model: {
    prop: 'modelVal',
    event: 'change'
  }

this.$emit('change', this.active)

代码

<template>
  <div
    :class="['tabs', { 'tabs-card': type === 'card' }, { 'tabs-boder-card': type === 'borderCard' }, { 'tabs-line': type === 'line' }]"
    :style="{ 'height': height }">
    <div class="tabs-nav">
      <div v-if="type === 'line'" class="active-bar"
        :style="{ 'width': activeBarWidth + 'px', 'transform': `translateX(${moveNum}px)` }"></div>
      <div v-for="(item, index) in list" :key="index" :class="['tabs-item', { 'active': active === index }]"
        @click="switchTab(index, item)">
        {{ item[showLabel] }}
      </div>
    </div>
  </div>
</template>

<script>
export default {
  props: {
    type: {
      type: String,
      default: 'card' // card borderCard line
    },
    list: {
      type: Array,
      default: () => []
    },
    showLabel: {
      type: String,
      default: 'label'
    },
    modelVal: {
      type: Number | String,
      required: true
    },
    height: {
      type: String,
      default: '42px'
    }
  },
  model: {
    prop: 'modelVal',
    event: 'change'
  },
  data() {
    return {
      active: Number(this.modelVal),
      moveNum: 0, // 移动距离
      activeBarWidth: 0 // line风格下状态条宽
    }
  },
  watch: {
    'list': {
      handler() {
        this.$nextTick(() => {
          let li = document.querySelectorAll('.tabs>.tabs-nav>.tabs-item')[0]
          this.activeBarWidth = li ? li.offsetWidth : 0
        })
      },
      immediate: true
    }
  },
  methods: {
    switchTab(index, item) {
      this.active = index
      if (this.type === 'line') {
        const lis = document.querySelectorAll('.tabs>.tabs-nav>.tabs-item')
        let num = 0
        for (let i = 0; i < this.active; i++) {
          num += lis[i].offsetWidth
        }
        this.moveNum = num
        this.activeBarWidth = lis[this.active].offsetWidth
      }
      this.$emit('change', this.active)
      this.$emit('switchTab', { active: this.active, row: item })
    }
  }
}
</script>

<style lang="scss" scoped>
.tabs {
  width: 100%;
  font-size: 16px;
  font-weight: 400;
  font-family: PingFangSC-Regular, PingFang SC;
  color: #333333;
}

@import url('./tabsCard.scss');
@import url('./tabsBorderCard.scss');
@import url('./tabsLine.scss');
</style>

scss

tabsBorderCard.scss

.tabs-boder-card {
  border-bottom: 1px solid #E5E7ED;

  .tabs-nav {
    display: flex;

    .tabs-item {
      padding: 10px 25px;
      border: 1px solid #E5E7ED;
      background-color: #F6F6F6;
      cursor: pointer;
      box-sizing: border-box;
    }

    .active {
      color: #36CFC9;
      border-top: 2px solid #36CFC9;
      border-bottom: none;
      background-color: #fff;
    }
  }
}

tabsCard.scss

.tabs-card {
  border-bottom: 1px solid #36CFC9;

  .tabs-nav {
    height: 100%;
    display: flex;

    .tabs-item {
      height: 100%;
      padding: 0 10px;
      line-height: 42px;
      cursor: pointer;
      box-sizing: border-box;
    }

    .active {
      color: #FFFFFF;
      background: #36CFC9;
      border-radius: 8px 8px 0px 0px;
    }
  }
}

tabsLine.scss

.tabs-line {
  border-bottom: 2px solid #ECECEC;

  .tabs-nav {
    display: flex;
    position: relative;

    .tabs-item {
      padding: 10px 16px;
      cursor: pointer;
      box-sizing: border-box;
    }

    .active {
      color: #36CFC9;
    }

    .active-bar {
      height: 2px;
      position: absolute;
      bottom: -2px;
      left: 0;
      background-color: #36CFC9;
      transition: all 0.5s ease;
    }
  }
}