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Interesting People Record Interesting.

/ JavaScript / 文章详情

使用better-scroll完成索引栏

Sonder
2023-02-28
22293字
56分钟
浏览 (1.5k)

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复制代码
<template>
  <div class="votingList_content_block">
    <ul
      class="ul_englishLetter"
      ref="ulRef"
    >
      <li
        class="ul_englishLetter_li"
        @click="handleLetter(item)"
        :class="{ activeLetter: item === activeLetter }"
        ref="liRef"
        v-for="item in config.englishLetter"
        :key="item"
      >
        {{ item }}
      </li>
    </ul>
    <div class="scroll_block">
      <div ref="wrapper" class="votingList_content_scroll">
        <div class="scroll_div" ref="voteItem">
          <div class="votingList_period" ref="voteList">
            <div class="voteCourItem" :key="item.id" v-for="item in config.allVoteList">{{item.doctor_name}}</div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import BScroll from "better-scroll";

export default {
  data(){
    return {
      activeLetter: "",
      scroll: null,
      itemHeights: [],
      localSearch: {
        activeType: false,
        content: "",
      },
      config: {
        allVoteList: [
          {
            "id": 879,
            "doctor_name": "鲍亮",
            "doctor_letter": "B",
          },
          {
            "id": 964,
            "doctor_name": "蔡凌旸",
            "doctor_letter": "C",
          },
          {
            "id": 974,
            "doctor_name": "蔡迎玖",
            "doctor_letter": "C",
          },
          {
            "id": 892,
            "doctor_name": "蔡志明",
            "doctor_letter": "C",
          },
          {
            "id": 997,
            "doctor_name": "曹秉基",
            "doctor_letter": "C",
          },
          {
            "id": 849,
            "doctor_name": "陈鸿才",
            "doctor_letter": "C",
          },
          {
            "id": 1017,
            "doctor_name": "陈佳",
            "doctor_letter": "C",
          },
          {
            "id": 955,
            "doctor_name": "陈建",
            "doctor_letter": "C",
          },
          {
            "id": 968,
            "doctor_name": "陈界",
            "doctor_letter": "C",
          },
          {
            "id": 909,
            "doctor_name": "陈可绪",
            "doctor_letter": "C",
          },
          {
            "id": 1002,
            "doctor_name": "陈林",
            "doctor_letter": "C",
          },
          {
            "id": 985,
            "doctor_name": "陈玮",
            "doctor_letter": "C",
          },
          {
            "id": 911,
            "doctor_name": "陈晓东",
            "doctor_letter": "C",
          },
          {
            "id": 917,
            "doctor_name": "陈颖",
            "doctor_letter": "C",
          },
          {
            "id": 898,
            "doctor_name": "陈勇",
            "doctor_letter": "C",
          },
          {
            "id": 893,
            "doctor_name": "陈志坚",
            "doctor_letter": "C",
          },
          {
            "id": 1038,
            "doctor_name": "邓垒",
            "doctor_letter": "D",
          },
          {
            "id": 969,
            "doctor_name": "刁文琦",
            "doctor_letter": "D",
          },
          {
            "id": 986,
            "doctor_name": "丁清清",
            "doctor_letter": "D",
          },
          {
            "id": 928,
            "doctor_name": "丁燕",
            "doctor_letter": "D",
          },
          {
            "id": 972,
            "doctor_name": "段春霞",
            "doctor_letter": "D",
          },
          {
            "id": 934,
            "doctor_name": "冯晨露",
            "doctor_letter": "F",
          },
          {
            "id": 916,
            "doctor_name": "冯家华",
            "doctor_letter": "F",
          },
          {
            "id": 1013,
            "doctor_name": "冯劼妮",
            "doctor_letter": "F",
          },
          {
            "id": 908,
            "doctor_name": "冯苗芳",
            "doctor_letter": "F",
          },
          {
            "id": 902,
            "doctor_name": "冯学刚",
            "doctor_letter": "F",
          },
          {
            "id": 891,
            "doctor_name": "傅强",
            "doctor_letter": "F",
          },
          {
            "id": 998,
            "doctor_name": "高惠冰",
            "doctor_letter": "G",
          },
          {
            "id": 965,
            "doctor_name": "高世华",
            "doctor_letter": "G",
          },
          {
            "id": 1035,
            "doctor_name": "高毅哲",
            "doctor_letter": "G",
          },
          {
            "id": 1018,
            "doctor_name": "高云",
            "doctor_letter": "G",
          },
          {
            "id": 853,
            "doctor_name": "葛俊",
            "doctor_letter": "G",
          },
          {
            "id": 854,
            "doctor_name": "郭翠艳",
            "doctor_letter": "G",
          },
          {
            "id": 1037,
            "doctor_name": "郭小奇",
            "doctor_letter": "G",
          },
          {
            "id": 877,
            "doctor_name": "郭旭利",
            "doctor_letter": "G",
          },
          {
            "id": 973,
            "doctor_name": "郭毅峻",
            "doctor_letter": "G",
          },
          {
            "id": 875,
            "doctor_name": "郭银红",
            "doctor_letter": "G",
          },
          {
            "id": 1031,
            "doctor_name": "韩晶",
            "doctor_letter": "H",
          },
          {
            "id": 869,
            "doctor_name": "贺靳贤",
            "doctor_letter": "H",
          },
          {
            "id": 943,
            "doctor_name": "洪翔婵",
            "doctor_letter": "H",
          },
          {
            "id": 961,
            "doctor_name": "黄阿敏",
            "doctor_letter": "H",
          },
          {
            "id": 906,
            "doctor_name": "黄芳",
            "doctor_letter": "H",
          },
          {
            "id": 936,
            "doctor_name": "黄娜",
            "doctor_letter": "H",
          },
          {
            "id": 889,
            "doctor_name": "黄晓洁",
            "doctor_letter": "H",
          },
          {
            "id": 880,
            "doctor_name": "华影",
            "doctor_letter": "H",
          },
          {
            "id": 904,
            "doctor_name": "胡建新",
            "doctor_letter": "H",
          },
          {
            "id": 873,
            "doctor_name": "胡静",
            "doctor_letter": "H",
          },
          {
            "id": 921,
            "doctor_name": "霍彬",
            "doctor_letter": "H",
          },
          {
            "id": 975,
            "doctor_name": "胡耶基",
            "doctor_letter": "H",
          },
          {
            "id": 933,
            "doctor_name": "胡越",
            "doctor_letter": "H",
          },
          {
            "id": 867,
            "doctor_name": "蒋力扬",
            "doctor_letter": "J",
          },
          {
            "id": 952,
            "doctor_name": "嵇桂娟",
            "doctor_letter": "J",
          },
          {
            "id": 840,
            "doctor_name": "荆丽",
            "doctor_letter": "J",
          },
          {
            "id": 957,
            "doctor_name": "赖庆文",
            "doctor_letter": "L",
          },
          {
            "id": 915,
            "doctor_name": "梁红光",
            "doctor_letter": "L",
          },
          {
            "id": 866,
            "doctor_name": "梁璐",
            "doctor_letter": "L",
          },
          {
            "id": 919,
            "doctor_name": "李本珊",
            "doctor_letter": "L",
          },
          {
            "id": 888,
            "doctor_name": "李桂圆",
            "doctor_letter": "L",
          },
          {
            "id": 1004,
            "doctor_name": "李丽娜",
            "doctor_letter": "L",
          },
          {
            "id": 938,
            "doctor_name": "林浩",
            "doctor_letter": "L",
          },
          {
            "id": 901,
            "doctor_name": "林艺娜",
            "doctor_letter": "L",
          },
          {
            "id": 896,
            "doctor_name": "柳斌",
            "doctor_letter": "L",
          },
          {
            "id": 855,
            "doctor_name": "刘宏杰",
            "doctor_letter": "L",
          },
          {
            "id": 878,
            "doctor_name": "刘俊",
            "doctor_letter": "L",
          },
          {
            "id": 953,
            "doctor_name": "刘璐璐",
            "doctor_letter": "L",
          },
          {
            "id": 966,
            "doctor_name": "刘美娟",
            "doctor_letter": "L",
          },
          {
            "id": 844,
            "doctor_name": "刘颖",
            "doctor_letter": "L",
          },
          {
            "id": 907,
            "doctor_name": "刘振",
            "doctor_letter": "L",
          },
          {
            "id": 978,
            "doctor_name": "李文宇",
            "doctor_letter": "L",
          },
          {
            "id": 900,
            "doctor_name": "李植锋",
            "doctor_letter": "L",
          },
          {
            "id": 960,
            "doctor_name": "卢喜",
            "doctor_letter": "L",
          },
          {
            "id": 945,
            "doctor_name": "吕嘉林",
            "doctor_letter": "L",
          },
          {
            "id": 885,
            "doctor_name": "吕维泽",
            "doctor_letter": "L",
          },
          {
            "id": 1023,
            "doctor_name": "吕秀",
            "doctor_letter": "L",
          },
          {
            "id": 1015,
            "doctor_name": "吕玉宝",
            "doctor_letter": "L",
          },
          {
            "id": 990,
            "doctor_name": "马敏婷",
            "doctor_letter": "M",
          },
          {
            "id": 944,
            "doctor_name": "毛圆",
            "doctor_letter": "M",
          },
          {
            "id": 940,
            "doctor_name": "聂广杰",
            "doctor_letter": "N",
          },
          {
            "id": 956,
            "doctor_name": "倪文涛",
            "doctor_letter": "N",
          },
          {
            "id": 1008,
            "doctor_name": "彭孟岐",
            "doctor_letter": "P",
          },
          {
            "id": 992,
            "doctor_name": "彭忠忠",
            "doctor_letter": "P",
          },
          {
            "id": 912,
            "doctor_name": "齐路霞",
            "doctor_letter": "Q",
          },
          {
            "id": 874,
            "doctor_name": "邱福铭",
            "doctor_letter": "Q",
          },
          {
            "id": 941,
            "doctor_name": "邵川",
            "doctor_letter": "S",
          },
          {
            "id": 1020,
            "doctor_name": "盛方军",
            "doctor_letter": "S",
          },
          {
            "id": 905,
            "doctor_name": "沈岚",
            "doctor_letter": "S",
          },
          {
            "id": 976,
            "doctor_name": "沈乐",
            "doctor_letter": "S",
          },
          {
            "id": 935,
            "doctor_name": "石兴源",
            "doctor_letter": "S",
          },
          {
            "id": 954,
            "doctor_name": "宋卉",
            "doctor_letter": "S",
          },
          {
            "id": 1022,
            "doctor_name": "孙标峰",
            "doctor_letter": "S",
          },
          {
            "id": 884,
            "doctor_name": "孙畋",
            "doctor_letter": "S",
          },
          {
            "id": 1007,
            "doctor_name": "苏奕亮",
            "doctor_letter": "S",
          },
          {
            "id": 942,
            "doctor_name": "仝梦婷",
            "doctor_letter": "T",
          },
          {
            "id": 1042,
            "doctor_name": "王金焕",
            "doctor_letter": "W",
          },
          {
            "id": 983,
            "doctor_name": "王鑫",
            "doctor_letter": "W",
          },
          {
            "id": 967,
            "doctor_name": "王媛",
            "doctor_letter": "W",
          },
          {
            "id": 980,
            "doctor_name": "温芝华",
            "doctor_letter": "W",
          },
          {
            "id": 991,
            "doctor_name": "吴昂",
            "doctor_letter": "W",
          },
          {
            "id": 937,
            "doctor_name": "吴熙",
            "doctor_letter": "W",
          },
          {
            "id": 897,
            "doctor_name": "肖爱梅",
            "doctor_letter": "X",
          },
          {
            "id": 1036,
            "doctor_name": "肖法嫚",
            "doctor_letter": "X",
          },
          {
            "id": 848,
            "doctor_name": "夏小龙",
            "doctor_letter": "X",
          },
          {
            "id": 920,
            "doctor_name": "谢士樑",
            "doctor_letter": "X",
          },
          {
            "id": 948,
            "doctor_name": "谢晓平",
            "doctor_letter": "X",
          },
          {
            "id": 903,
            "doctor_name": "谢展鸿",
            "doctor_letter": "X",
          },
          {
            "id": 924,
            "doctor_name": "薛鸿浩",
            "doctor_letter": "X",
          },
          {
            "id": 1014,
            "doctor_name": "徐华",
            "doctor_letter": "X",
          },
          {
            "id": 996,
            "doctor_name": "许强周",
            "doctor_letter": "X",
          },
          {
            "id": 861,
            "doctor_name": "徐炜",
            "doctor_letter": "X",
          },
          {
            "id": 881,
            "doctor_name": "徐镶怀",
            "doctor_letter": "X",
          },
          {
            "id": 971,
            "doctor_name": "徐旋里",
            "doctor_letter": "X",
          },
          {
            "id": 981,
            "doctor_name": "杨逸坤",
            "doctor_letter": "Y",
          },
          {
            "id": 939,
            "doctor_name": "杨志勇",
            "doctor_letter": "Y",
          },
          {
            "id": 984,
            "doctor_name": "杨忠民",
            "doctor_letter": "Y",
          },
          {
            "id": 847,
            "doctor_name": "闫宁宁",
            "doctor_letter": "Y",
          },
          {
            "id": 1028,
            "doctor_name": "余海清",
            "doctor_letter": "Y",
          },
          {
            "id": 987,
            "doctor_name": "余敏",
            "doctor_letter": "Y",
          },
          {
            "id": 1009,
            "doctor_name": "于士昌",
            "doctor_letter": "Y",
          },
          {
            "id": 929,
            "doctor_name": "张宝昕",
            "doctor_letter": "Z",
          },
          {
            "id": 982,
            "doctor_name": "张弛",
            "doctor_letter": "Z",
          },
          {
            "id": 1034,
            "doctor_name": "张航瑜",
            "doctor_letter": "Z",
          },
          {
            "id": 1026,
            "doctor_name": "张慧",
            "doctor_letter": "Z",
          },
          {
            "id": 876,
            "doctor_name": "张露",
            "doctor_letter": "Z",
          },
          {
            "id": 988,
            "doctor_name": "张梅玲",
            "doctor_letter": "Z",
          },
          {
            "id": 918,
            "doctor_name": "张秀萍",
            "doctor_letter": "Z",
          },
          {
            "id": 1030,
            "doctor_name": "张亚雷",
            "doctor_letter": "Z",
          },
          {
            "id": 979,
            "doctor_name": "张燕慧",
            "doctor_letter": "Z",
          },
          {
            "id": 872,
            "doctor_name": "张颖一",
            "doctor_letter": "Z",
          },
          {
            "id": 959,
            "doctor_name": "张盈盈",
            "doctor_letter": "Z",
          },
          {
            "id": 1033,
            "doctor_name": "张永祥",
            "doctor_letter": "Z",
          },
          {
            "id": 865,
            "doctor_name": "张珠华",
            "doctor_letter": "Z",
          },
          {
            "id": 963,
            "doctor_name": "郑吉",
            "doctor_letter": "Z",
          },
          {
            "id": 951,
            "doctor_name": "钟献",
            "doctor_letter": "Z",
          },
          {
            "id": 899,
            "doctor_name": "周洁白",
            "doctor_letter": "Z",
          },
          {
            "id": 962,
            "doctor_name": "周小芸",
            "doctor_letter": "Z",
          },
          {
            "id": 927,
            "doctor_name": "周欣",
            "doctor_letter": "Z",
          },
          {
            "id": 999,
            "doctor_name": "周欣亮",
            "doctor_letter": "Z",
          },
          {
            "id": 949,
            "doctor_name": "周源",
            "doctor_letter": "Z",
          },
          {
            "id": 1016,
            "doctor_name": "朱浩图",
            "doctor_letter": "Z",
          },
          {
            "id": 894,
            "doctor_name": "朱鹏",
            "doctor_letter": "Z",
          },
          {
            "id": 947,
            "doctor_name": "朱挺",
            "doctor_letter": "Z",
          },
          {
            "id": 1029,
            "doctor_name": "朱旭东",
            "doctor_letter": "Z",
          },
          {
            "id": 977,
            "doctor_name": "朱震威",
            "doctor_letter": "Z",
          },
          {
            "id": 989,
            "doctor_name": "邹立",
            "doctor_letter": "Z",
          }
        ],
        englishLetter: [
          "A",
          "B",
          "C",
          "D",
          "E",
          "F",
          "G",
          "H",
          "I",
          "J",
          "K",
          "L",
          "M",
          "N",
          "O",
          "P",
          "Q",
          "R",
          "S",
          "T",
          "U",
          "V",
          "W",
          "X",
          "Y",
          "Z",
        ],
      }
    }
  },
  created() {
    this.handleVoteMethodName()
  },
  methods: {
    handleLetter(item){
      this.activeLetter = item;
      let indexLetter = this.getDataList().findIndex(
        (val) => val.doctor_letter === item
      );
      if (!this.$refs.voteList) return;
      let childrens = this.$refs.voteList.children;
      let itemHeight = [...childrens].map((item) => item.clientHeight)[0];
      let top = indexLetter === -1 ? top : -itemHeight * indexLetter;
      this.scroll.scrollTo(0, top);
    },
    initScroll() {
      this.$nextTick(() => {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.wrapper, {
            click: true,
            probeType: 3,
            mouseWheel: true,
            scrollbar: {
              fade: false,
              interactive: false, // 1.8.0 新增
            },
          });
          this.scroll.on("scroll", (pos) => {
            this.dealWithScroll(pos);
          });
        } else {
          this.scroll.refresh();
          this.scroll.scrollTo(0, 0);
        }
      });
    },
    dealWithScroll(pos) {
      if (this.itemHeights.length === 0) return;
      let count = 0;
      let currentIndex = 0;
      let index = 0;
      while (index < this.itemHeights.length) {
        count += this.itemHeights[index];
        if (count > Math.abs(pos.y)) {
          currentIndex = index;
          break;
        }
        index++;
      }
      let list = this.getDataList();
      if (list.length === 0) return;
      this.activeLetter = list[currentIndex].doctor_letter;
    },
    getItemHeight() {
      this.$nextTick(() => {
        if (!this.$refs.voteList) return;
        let childrens = this.$refs.voteList.children;
        this.itemHeights = [...childrens].map((item) => item.clientHeight);
      });
    },
    getDataList() {
      return this.config.allVoteList.filter((item) =>
        item.doctor_name.includes(this.localSearch.content)
      );
    },
    handleVoteMethodName(){
      this.$nextTick(() => {
        this.initScroll();
        this.getItemHeight();
      });
    },
  }
}
</script>
<style scoped>
.votingList_content_block {
  display: flex;
  overflow: hidden;
  position: relative;
  height: 100%;
}
.votingList_content_block .ul_englishLetter {
  height: 74%;
  width: 3vw;
  flex: none;
  padding: 0 4vw 0 5.33vw;
  margin-top: 3.67vw;
  position: absolute;
  list-style: none;
  z-index: 1;
}
.scroll_block,.votingList_content_scroll {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.votingList_content_block .scroll_block {
  flex: 1;
}
.voteCourItem {
  height: 16vw;
  line-height: 16vw;
  text-align: center;
  width: 100%;
  background: #f2f2f3;
}
.voteCourItem:nth-child(even){
  background-image: linear-gradient(90deg,#eadce4,#f2f2f3);
}
.ul_englishLetter_li {
  text-align: center;
  line-height: 5vw;
  font-size: 2.13vw;
}
.ul_englishLetter_li.activeLetter {
  font-weight: bold;
  font-size: 3.6vw;
  color: #911C61;
}
</style>

或者使用vant里面的索引栏

https://vant-ui.github.io/vant/#/zh-CN/index-bar

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