滚动条的隐藏

<template>
  <el-container>
    <div class="zhl-scroll-sider" :style="{height:scrollH+'px'}">
      <side-bar :upperData="isCollapse"></side-bar>
    </div>
    <el-container>
      <el-header>
        <v-header>
          <i class="iconfont icon-navigate sideBar-icon" @click="showSideBar"></i>
        </v-header>
      </el-header>
      <el-main id="zhl_scroll" class="pb20 zhl-scroll-container" :style="{height:scrollH-62+'px'}">
        <transition name="move" mode="out-in">
          <router-view/>
        </transition>
      </el-main>
      <!-- <el-footer>
    <p>Copyright &copy; 2018 安云科技 <a href="http://www.liangaq.com/" target="_blank">量安全</a></p>
   </el-footer> -->
    </el-container>
  </el-container>
</template>

<script>
  import SideBar from "../common/SideBar";
  import VHeader from "../common/Header";
  export default {
    data() {
      return {
        isCollapse: false,
        clientH: "",
        scrollH: "",
        loading: ""
      };
    },
    created() {
      // 获取当前窗口的高度
      this.clientH = document.documentElement.clientHeight + "px";
      this.scrollH = document.documentElement.clientHeight;
      
      // this.clientH = (document.documentElement.clientHeight-1) + "px";
      this.changeSideBar();
      // 检测窗口变化改变侧边栏状态
      let that = this;
      window.onresize = function () {
        that.clientH = document.documentElement.clientHeight + "px";
        that.scrollH = document.documentElement.clientHeight;
        // that.clientH = (document.documentElement.clientHeight-1) + "px";
        that.changeSideBar();
      };
    },
    methods: {
      // 缩小/还原侧边栏
      showSideBar() {
        this.isCollapse = !this.isCollapse;
      },
      // 判断窗口宽度改变侧边栏状态
      changeSideBar() {
        let clientW = document.documentElement.clientWidth;
        if (clientW < 1270) {
          this.isCollapse = true;
        } else {
          this.isCollapse = false;
        }
      }
    },
    components: {
      SideBar,
      VHeader
    }
  };
</script>
<style lang="less">
  @import (reference) "../../assets/style/compatibility";
  
  .zhl-scroll-container {
    .flex-def;
    .flex-h;
    .flex(1);
    /*-ms-flex-preferred-size: auto;*/
    flex-basis: auto;
  }
  .zhl-scroll-sider {
    background-color: #001529;
    overflow-y: auto;
    overflow-x: hidden;
    width: 240px;
    .sideBar:not(.el-menu--collapse) {
      width: 260px;
    }
   /* !*隐藏滚动条，当IE下溢出，仍然可以滚动*!
    -ms-overflow-style:none;*/
    /*火狐下隐藏滚动条*/
    /*overflow:-moz-scrollbars-none;*/
    /*overflow: hidden;*/
    &>ul{
      overflow-y: auto;
    }
    /*&::-webkit-scrollbar {
      display: none;
    }*/
    .flex-def;
    .flex-v;
  }
</style>