vue学习(六)项目基础(1)-TabBar

以你之姓@ 2023-06-17 05:55 138阅读 0赞

TabBar实现思路

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3d1eXhpbnU_size_16_color_FFFFFF_t_70][]

实现代码

TabBar.vue

<template>
      <div class="tab-bar">     
          <slot></slot>
      </div>
    </template>
    
    <script>
    export default {
      name: 'TabBar',
      data() { 
        return {
        }
      }
     }
    </script>
    
    <style scoped>
    .tab-bar{
      display: flex;
      background-color: #f6f6f6;
      
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
    
      box-shadow: 0 -3px 1px rgba(100, 100, 100, 0.1);
    }
    
    </style>

TabBarItem.vue

<template>
      <div class="tab-bar-item" @click="itemClick()">
          <div v-if = "!isActive"><slot name = "item-icon"></slot></div>
          <div v-else><slot name = "item-icon-active"></slot></div>
          
          <div :style="activeStyle"><slot name = "item-text"></slot></div>
          
        
      </div>
    </template>
    
    <script>
    export default {
      name: 'TabBarItem',
      props: {
        path: String,
        activeColor:{
          type: String,
          default: 'red',
        }
      },
      data() { 
        return {
            // isActive: false
        }
      },
      computed:{
        isActive(){
          return this.$route.path.indexOf(this.path) !== -1
        },
        activeStyle(){
          return this.isActive ? {color:this.activeColor}:{}
        }
      },
      methods:{
        itemClick(){
          if(this.$route.path != this.path)
           { this.$router.replace(this.path)}
        }
      }
     }
    </script>
    
    <style scoped>
    .tab-bar-item{
      flex: 1;
      text-align: center;
      height: 49px;
    }
    .tab-bar-item img{
        width:24px;
        height: 24px;
        margin-top: 3px;
        vertical-align: middle;
    }
    .active{
        color: blueviolet;
    }
    </style>

MainTabBar.vue

<template>
      <div class="main-tab-bar">
              <tab-bar>
      
          <tab-bar-item path="/home" activeColor="blue">
            <img slot="item-icon" src = "~assets/img/tabbar/home.svg">
            <img slot="item-icon-active" src = "~assets/img/tabbar/home-active.svg">
            <div slot="item-text">首页</div>
          </tab-bar-item>
    
          <tab-bar-item path="/category" activeColor="blue">
            <img slot="item-icon" src = "~assets/img/tabbar/category.svg">
            <img slot="item-icon-active" src = "~assets/img/tabbar/category-active.svg">
            <div slot="item-text">分类</div>
          </tab-bar-item>
          <tab-bar-item path="/shopcart" activeColor="blue">
            <img slot="item-icon" src = "~assets/img/tabbar/shopcart.svg">
            <img slot="item-icon-active" src = "~assets/img/tabbar/shopcart-active.svg">
            <div slot="item-text">购物车</div>
          </tab-bar-item>
          <tab-bar-item path="/profile" activeColor="blue">
            <img slot="item-icon" src = "~assets/img/tabbar/profile.svg">
            <img slot="item-icon-active" src = "~assets/img/tabbar/profile-active.svg">
            <div slot="item-text">我的</div>
          </tab-bar-item>
        </tab-bar>
        
      </div>
    </template>
    
    <script>
    import TabBar from 'components/tabbar/TabBar';
    import TabBarItem from 'components/tabbar/TabBarItem';
    export default {
      name: 'MainTabBar',
      data() { 
        return {
    
        }
      },
        components: {
        TabBar,
        TabBarItem
      }
     }
    </script>
    
    <style lang="" scoped>
    </style>

App.vue

<template>
      <div id="app">
        <router-view></router-view>
        <main-tab-bar></main-tab-bar>
      </div>
    </template>
    
    <script>
    import MainTabBar from './components/MainTabBar'
    export default {
      name: 'App',
      components: {
        MainTabBar
      }
    }
    </script>
    
    <style scoped>
    @import "./assets/css/base.css";
    
    </style>

效果

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3d1eXhpbnU_size_16_color_FFFFFF_t_70 1][]

修改导入文件路径

build/webpack.base.conf.js

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3d1eXhpbnU_size_16_color_FFFFFF_t_70 2][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3d1eXhpbnU_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20191126164143897.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3d1eXhpbnU=,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3d1eXhpbnU_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/2019112717420876.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3d1eXhpbnU=,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3d1eXhpbnU_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/20191127174307694.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3d1eXhpbnU=,size_16,color_FFFFFF,t_70