vue 弹框 树形结构的数据多选渲染搜索

工作碎片，记录今日弹框样式，

<template>
  <div>
    <el-dialog
      :visible.sync="isCertDialog"
      :close-on-click-modal='false'
      class="hk-popup-main"
      :modal-append-to-body='false'
      :before-close="onClose">
      <div class="title-top">证书
        <span>{{activeCertList.length}}/30</span>
      </div>
      <div class="hk-diale-title">
        <el-tag
          :key="tag"
          v-for="(tag, index) in activeCertList"
          closable
          :disable-transitions="false"
          @close="handleClose(tag,index)">
          {{tag}}
        </el-tag>
        <el-autocomplete
          class="inline-input"
          v-model="querySearchValue"
          @input="changeInput"
          :fetch-suggestions="querySearch"
          placeholder="请选择或输入证书，最多30个"
          @select="handleSelect"
        >
          <template slot-scope="{ item }">
            <div class="name" v-html="item.viewName">{{ item.viewName }}</div>
          </template>
        </el-autocomplete>
        <el-button class="popup-but" @click="onCertificate">确认</el-button>
      </div>
      <div class="cont-main">
        <div class="cert-catgory" v-for="(item, index) in certCateList" :key="index" :label="item.name">
          <div class="cert-catgory-label">{{item.name}}</div>
          <div class="cert-item-list">
            <span class="cert-item" v-for="(cert,certIndex) in item.children" :key="cert.id"
            :class="(activeCertList.includes(cert.name) || (selectParIndex == index && selectChildIndex == certIndex)) ? 'selected' : ''"
            :style="'order:'+certIndex*2" @click="onSelectCert(cert,certIndex,index)">{{cert.name}}</span>
            <div class="cert-item-levels" v-if="isSelectOrder && (selectParIndex == index)" :style="'order:'+isSelectOrder">
              <div class="cert-item-title">证书层次：</div>
              <el-checkbox-group v-model="activeCertList">
                <el-checkbox v-for="child in selectOrderList" :key="child.id" :label="child.name"></el-checkbox>
              </el-checkbox-group>
            </div>
          </div>
        </div>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { getSystemCertCateTree, getFindSysCertName } from '@/api/public'
export default {
  name: 'el-CertificatePopup',
  props: {
    isCertDialog: Boolean,
    customaryList: Array
  },
  data () {
    return {
      tabPosition: 'left',
      activeCertList: [],
      certCateList: [],
      isSelectOrder: null,
      selectChildIndex: null,
      selectOrderList: [],
      selectParIndex: 0,
      querySearchValue: '',
      findSysCertList: []
    }
  },
  created () {
    // 测试数据列表
    this.getSystemCertCate()
  },
  mounted () {
    if (this.customaryList && this.customaryList.length > 0) {
      this.activeCertList = this.customaryList.slice()
    }
  },
  methods: {
    handleSelect(event) {
      console.log(event);
      this.querySearchValue = ''
      if (this.activeCertList.length >= 30) {
        this.$message.warning({
          message: '最多只能添加30个证书'
        })
        return
      }
      if(!this.activeCertList.includes(event.name)){
        // includes()方法判断是否包含某一元素,返回true或false表示是否包含元素，对NaN一样有效
        // filter()方法用于把Array的某些元素过滤掉，filter()把传入的函数依次作用于每个元素，
        // 然后根据返回值是true还是false决定保留还是丢弃该元素：生成新的数组
        // this.activeCertList=this.activeCertList.filter(function (ele){return ele != event.name;});
        // console.log(event)
        // console.log(event.name)
        this.activeCertList.push(event.name);
      } else{
        this.$message.warning({
          message: '已经选择，请勿重复选择'
        })
      }
    },
    changeInput() {
      this.getFindSysCert(this.querySearchValue);
    },
    getFindSysCert(value) {
      getFindSysCertName({certName: value}).then(res => {
        if (res.code == 'SUCCESS') {
          console.log('检索成功')
          console.log(res.data)
          this.findSysCertList = res.data.list || [];
        }
      }).catch(err => {
        this.$message.error({
          message: err.message
        })
      })
    },
    querySearch(queryString, cb) {
      // 调用 callback 返回建议列表的数据
      clearTimeout(this.timeout);
      this.timeout = setTimeout(() => {
        let restaurants = this.findSysCertList;
        let results = restaurants
        // queryString
        //   ? restaurants.filter(this.createFilter(queryString))
        //   : restaurants;
        cb(results);
      }, 300 * Math.random());
    },
    createFilter(queryString) {
      return (restaurant) => {
        return (restaurant.toLowerCase().indexOf(queryString.toLowerCase()) !== -1);
      };
    },
    onSelectCert (event,index,parIndex) {
      this.selectParIndex = parIndex
      this.selectChildIndex = index
      if (this.activeCertList.length >= 30) {
        this.$message.warning({
          message: '最多只能添加30个证书'
        })
        return
      }
      if (event.children && event.children.length>0) {
        if (index%2==0) {
          this.isSelectOrder = (index*2) + 3
        } else {
          this.isSelectOrder = (index*2) + 1
        }
        this.selectOrderList = event.children
      } else {
        this.isSelectOrder = null
        if(this.activeCertList.includes(event.name)){
          // includes()方法判断是否包含某一元素,返回true或false表示是否包含元素，对NaN一样有效
          // filter()方法用于把Array的某些元素过滤掉，filter()把传入的函数依次作用于每个元素，
          // 然后根据返回值是true还是false决定保留还是丢弃该元素：生成新的数组
          this.activeCertList=this.activeCertList.filter(function (ele){return ele != event.name;});
        }else{
          this.activeCertList.push(event.name);
        }
      }
    },
    getSystemCertCate () {
      getSystemCertCateTree().then(res => {
        if (res.code == 'SUCCESS') {
          this.certCateList = res.data
        }
      }).catch(err => {
        this.$message({
          message: err.message
        })
      })
    },
    // 弹框传值
    toggleContent (event) {
        this.$emit('submit', event);
    },
    // 确认
    onCertificate () {
      this.$emit('submit',this.activeCertList)
    },
    // 关闭弹框
    onClose () {
      this.$emit('close',false)
    },
    // 弹框title
    handleClose(tag) {
      this.activeCertList.splice(this.activeCertList.indexOf(tag), 1)
    },
  },
  watch: {
    customaryList () {
      if (this.customaryList && this.customaryList.length > 0) {
        this.activeCertList = this.customaryList.slice()
      }
    }
    
  },
}
</script>

<style lang="less" scoped>
// 弹框样式
@deep: ~'>>>';
.hk-popup-main {
  @{deep}.el-dialog {
    border-radius: 8px;
    .el-dialog__header {
      // display: none;
      padding: 0;
    }
    .title-top {
      height: 60px;
      padding-left: 25px;
      line-height: 60px;
      font-size: 16px;
      font-family: 'PingFang-SC-Medium';
      font-weight: 500;
      color: #414C69;
      span {
        font-size: 14px;
        font-family: 'PingFang-SC-Medium';
        font-weight: 500;
        color: #00C250;
        margin-left: 16px;
        letter-spacing: 1px;
      }
    }
  }
  .cont-main {
    height: 420px;
    overflow-y: scroll;
    &::-webkit-scrollbar { /*滚动条整体样式*/
      width: 3px; /*高宽分别对应横竖滚动条的尺寸*/
      height: 1px;
      background-color: transparent;
    }
    &::-webkit-scrollbar-thumb { /*滚动条里面小方块*/
      border-radius: 2px;
      border: 2px solid #dddddd;
      box-shadow: 2px 0 0 #dddddd inset;
    }
    &::-webkit-scrollbar-thumb:hover {
      box-shadow: 2px 0 0 #dddddd inset;
    }
    .cert-catgory {
      display: flex;
      &:nth-child(odd) {
        background: #f9fafb;
        border-bottom: 1px solid #f9fafb;
      }
    }
    .cert-catgory-label {
      width: 200px;
      border-right: 1px solid #f2f3f3;
      padding: 12px 20px;
      display: flex;
      justify-content: center;
      flex-direction: column;
      font-size: 14px;
      color: #414a60;
      line-height: 20px;
    }
    .cert-item-list {
      flex: 1;
      display: flex;
      flex-wrap: wrap;
      line-height: 24px;
      width: 0;
      padding: 5px 0;
      font-size: 13px;
    }
    .cert-item {
      width: 50%;
      padding: 5px 20px;
      display: block;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      cursor: pointer;
      font-size: 14px;
      font-family: 'PingFang-SC-Medium';
      font-weight: 500;
      color: #414C69;
      &:hover,&.selected {
        color: #00C250;
      }
    }
    .cert-item-levels {
      background: #fff;
      width: 100%;
      display: flex;
      flex-wrap: wrap;
      padding: 5px 0;
      margin-bottom: -5px;
    }
    .cert-item-title {
      padding: 5px 20px;
      width: 100%;
      color: #51586d;
    }
    @{deep}.el-checkbox-group {
      width: 100%;
    }
    @{deep}.el-checkbox {
      line-height: 20px;
      padding: 0px 20px;
      margin: 0;
      width: 50%;
      font-size: 14px;
      font-family: 'PingFang-SC-Medium';
      font-weight: 500;
      color: #8993AD;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
      .el-checkbox__input {
        box-sizing: border-box;
      }
    }
  }
  @{deep}.inline-input {
    width: 200px;
    font-size: 14px;
    font-family: 'PingFang-SC-Medium';
    font-weight: 500;
    color: #D3D6DD;

    .el-input {
      height: 100%;
    }
    .el-input__inner {
      border: none;
      padding-right: 0;
      padding-left: 0;
    }
  }
}

.el-dialog__body {
  padding: 0 0 20px 0;
  .el-tabs--left .el-tabs__active-bar.is-left, .el-tabs--left .el-tabs__nav-wrap.is-left::after {
    right: auto;
    left: 0;
  }
  .el-tabs {
    &.el-tabs--left {
      overflow-y: scroll;
      &::-webkit-scrollbar { /*滚动条整体样式*/
        width: 6px; /*高宽分别对应横竖滚动条的尺寸*/
        height: 1px;
        background-color: transparent;
      }
      &::-webkit-scrollbar-thumb { /*滚动条里面小方块*/
        border-radius: 2px;
        border: 5px solid #726b6b;
        box-shadow: 5px 0 0 #726b6b inset;
      }
      &::-webkit-scrollbar-thumb:hover {
        box-shadow: 5px 0 0 #4A4A4A inset;
      }
    }
  }
  .el-tabs--left .el-tabs__active-bar.is-left {
      width: 4px;
  }
  .el-tabs__nav-prev, .el-tabs__nav-next {
    display: none;
  }
  .el-tabs__nav-scroll {
    overflow: visible;
  }
  .el-tabs__nav-wrap.is-left {
    width: 190px;
    overflow-y: scroll;
    .el-tabs__nav-scroll {
      .el-tabs__nav.is-left {
        background-color: #f9fafb;
        .el-tabs__item.is-left {
          &.is-active {
            background-color: #fff;
          }
        }
      }
    }
    &::-webkit-scrollbar {
      display:none;
    }
    .el-tabs__item.is-left {
      text-align: center;
    }
  }
  
  // 右边title
  .hk-diale-title {
    min-height: 50px;
    border-top: 1px solid #e2e2e2;
    border-bottom: 1px solid #e2e2e2;
    padding-left: 20px;
    // line-height: 50px;
    position: relative;
    padding-right: 100px;
    display: flex;
    justify-content: flex-start;
    // align-items: center;
    flex-wrap: wrap;
    @{deep} .el-tag {
      font-size: 12px;
      font-family: 'PingFang-SC-Medium';
      font-weight: 500;
      color: #8993AD;
      height: 24px;
      padding: 0 12px;
      line-height: 24px;
      background: #EEF0F5;
      border-radius: 12px;
      border-color: #EEF0F5;
      margin-right: 10px;
      margin-top: 12px;
      .el-tag__close {
        display: inline-block;
        width: 16px;
        height: 16px;
        background: #CBCED6;
        border-radius: 50%;
        color: #fff;
        vertical-align: 1px;
        &:hover {
          color: #fff;
          // background: #00C250;
        }
      }
      
    }
    .el-tag + .el-tag{
      margin-left: 0;
    }
    .button-new-tag {
      margin-left: 10px;
      height: 32px;
      line-height: 30px;
      padding-top: 0;
      padding-bottom: 0;
    }
    .popup-but {
      position: absolute;
      right: 20px;
      top: 10px;
      width: 72px;
      height: 28px;
      padding: 0;
      background: #00C250;
      border-radius: 14px;
      font-size: 14px;
      font-family: 'PingFang-SC-Medium';
      font-weight: 500;
      color: #FFFFFF;
      border: none;
      text-align: center;
    }
  }
  // 右边主要内容
  .hk-table {
    @{deep}.hk-bable-tr {
      // float: left;
      width: 230px;
      height: 40px;
      line-height: 40px;
      padding-left: 20px;
      cursor: pointer;
      &:hover {
        color: #00C250;
      }
      .el-checkbox-button__inner {
        border: none;
        box-shadow: none;
      }
      &.is-checked {
        .el-checkbox-button__inner {
          color: #00C250;
          background: transparent;
          border: none;
        }
      }
    }
  }
}
// 按钮
.hk-dialog-but {
  &:last-child.el-button {
    border: 1px solid #00C250;
    background-color: #00C250;
    color: #fff;
  }
}
</style>

使用方法

<certificatePopup :isCertDialog="isCertDialog" @submit="onSelectCertificate"
    @close="onClose" :customaryList="certList"></certificatePopup>
import certificatePopup from '@/components/popup/certificatePopup'


// 弹框
    onSelectCertificate (data) {
      // 获取的参数
      console.log(data)
      this.isCertDialog = false
    },
    onClose () {
      this.isCertDialog = false
    }