vue-awesome-swiper导航内容(横向滚动条)与内容是联动的，导航内容始终在可视区域内_vue swiper滚动条

需求分析

导航内容(横向滚动条)与内容是联动的，导航内容始终在可视区域内

点击导航tab(猜你想搜)或者左右滑动到猜你想搜或者点击左右按钮到猜你想搜，导航tab(猜你想搜在可视区域内)

安装

npm install vue-awesome-swiper@3 --save-dev
1

相关问题

实现

<template>
  <div class="recommendPage">
    <div class="tabCon">
      <div
        v-for="(item, index) in menuData"
        :key="index"
        :class="{ activeItem: activeIndex == index }"
        class="tabItem"
        @click="changeTab(index)"
      >
        {{ item.tabName }}
      </div>
    </div>
    <swiper
      :options="swiperOption"
      ref="mySwiper"
      @slide-change="slideChange"
    >
      <swiper-slide v-for="(item, index) in menuData"
        >{{ item.tabName }}内容</swiper-slide
      >
      <div class="swiper-pagination" slot="pagination"></div>
      <div class="swiper-button-prev" slot="button-prev"></div>
      <div class="swiper-button-next" slot="button-next"></div>
    </swiper>
  </div>
</template>
  
  <script>
// 引入插件
import { swiper, swiperSlide } from "vue-awesome-swiper";
import "swiper/dist/css/swiper.css";

export default {
  components: {
    swiper,
    swiperSlide,
  },
  data() {
    return {
      activeIndex: 0,
      menuData: [
        {
          tabName: "实时热榜",
        },
        {
          tabName: "全搜实时热榜",
        },
        {
          tabName: "猜你想搜-中台",
        },
        {
          tabName: "小说榜",
        },
      ],
      swiperOption: {
        // loop: true,
        // autoplay: {
        //   delay: 3000,
        //   stopOnLastSlide: false,
        //   disableOnInteraction: false,
        // },
        // 显示分页
        pagination: {
          el: ".swiper-pagination",
          clickable: true, //允许分页点击跳转
        },
        // 设置点击箭头
        navigation: {
          nextEl: ".swiper-button-next",
          prevEl: ".swiper-button-prev",
        },
      },
    };
  },
  computed: {
    swiper() {
      return this.$refs.mySwiper.swiper;
    },
  },
  methods: {
    slideChange() {
      console.log("er1111111111111111111111111111", this.$refs.mySwiper.swiper.realIndex);
      const index = this.$refs.mySwiper.swiper.realIndex
      this.activeIndex = index
      this.changeScroll(index)
    },
    changeScroll(index) {
      let mySwiper = this.$refs.mySwiper.swiper;
      const scollDom = document.querySelector(".tabCon");
      console.log("scollDom", scollDom, mySwiper);
      let swiperWidth = scollDom.offsetWidth;
      let scrollItemDom = document.querySelectorAll(".tabItem");
      let DomLen = 0;
      scrollItemDom.forEach((item) => {
        console.log("item.offsetWidth", item.offsetLeft);
        DomLen += item.offsetWidth;
      });
      let maxTranslate = swiperWidth - DomLen;
      let maxWidth = -maxTranslate + swiperWidth / 2;
      let slide = scrollItemDom[index];
      let slideLeft = slide.offsetLeft;
      console.log("slideLeft", slide, slideLeft);
      let slideWidth = slide.clientWidth;
      let slideCenter = slideLeft + slideWidth / 2;
      // 被点击slide的中心点

      scollDom.style.transition = "3s";

      if (slideCenter < swiperWidth / 2) {
        console.log("为0", slideCenter, swiperWidth);
        scollDom.scrollLeft = 0;
      } else if (slideCenter > maxWidth) {
        console.log("最后一个", maxTranslate, maxWidth);
        scollDom.scrollLeft = -maxTranslate;
      } else {
        console.log("居中");
        let nowTlanslate = slideCenter - swiperWidth / 2;
        // mySwiper.setWrapperTranslate(-nowTlanslate);
        console.log("nowTlanslate", nowTlanslate);
        scollDom.scrollLeft = -nowTlanslate;
      }
    },
    changeTab(index) {
      this.$refs.mySwiper.swiper.slideTo(index);
      console.log("this.$refs.mySwiper.swiper", this.$refs.mySwiper.swiper);
    },
  },
  mounted() {
    // current swiper instance
    // 然后你就可以使用当前上下文内的swiper对象去做你想做的事了
    console.log("this is current swiper instance object", this.swiper);
    // this.swiper.slideTo(3, 1000, false);
  },
};
</script>
<style lang="scss" scoped>
.tabCon {
  position: relative;
  text-align: center;
  overflow-x: auto;
  overflow-y: hidden;
  width: 300px;
  height: 60px;
  margin: auto;
  background: skyblue;
  display: flex;
  white-space: nowrap;
  .tabItem {
    padding: 20px;
  }
  .activeItem {
    border-bottom: 4px solid #333;
  }
}
</style>
<style scoped>
.recommendPage .swiper-container {
  position: relative;
  width: 300px;
  height: 200px;
  background: pink;
}
.recommendPage .swiper-container .swiper-slide {
  width: 100%;
  line-height: 200px;
  background: yellowgreen;
  color: #000;
  font-size: 16px;
  text-align: center;
}
</style>    
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172

参考